Limited edition
Olaplex Bond Maintenance No.4 Shampoo and No.5 Conditioner Duo
Olaplex Bond Maintenance No.4 Shampoo and No.5 Conditioner Duo
Olaplex Bond Maintenance No.4 Shampoo and No.5 Conditioner Duo
"Lately i have been revamping my entire beauty, skincare and hair care routine to ensure all products are ALL cruelty free. Shampoo was the difficult one since i have hair that is prone to breakage, excess oil, and dandruff. So finding the suitable product for this has been a journey. However, at last, since using Olaplex not only has it restored my hair, but it doesnt leave it greasy nor dandruffy. Plus they are animal friendly!! " - Mikkenzie
Olaplex

Bond Maintenance No.4 Shampoo and No.5 Conditioner Duo 2 x 250ml

5 (5)
$108.00
Available In Store
56 Parer Rd
Airport West VIC
Australia 3042
(03) 9999 5902
Promotion
Save 15% with code NEW15 off your first order!
Limit 1 use. Exclusions apply, including sale items.
Most Helpful Review
"Lately i have been revamping my entire beauty, skincare and hair care routine to ensure all products are ALL cruelty free. Shampoo was the difficult one since i have hair that is prone to breakage, excess oil, and dandruff. So finding the suitable product for this has been a journey. However, at last, since using Olaplex not only has it restored my hair, but it doesnt leave it greasy nor dandruffy. Plus they are animal friendly!! " - Mikkenzie
Why You’ll love it
Colour Care
Cruelty Free
Gluten Free
Paraben Free
Sulphate Free
1 x Olaplex Bond Maintenance No.4 Shampoo (250ml)
1 x Olaplex Bond Maintenance No.4 Conditioner (250ml)
Description
Read more
Directions
Ingredients
  • Aqua Solvents
    Solvent

    The water base that carries and dissolves the other ingredients in most products.

    May suit

    All hair and skin types.

    Worth knowing

    Almost always the first ingredient listed in water-based products.

  • Sodium Lauroyl Methyl Isethionate Cleansers / surfactants
    Gentle cleansing surfactant

    A mild, sulphate-free surfactant that helps cleanse hair and scalp while creating a soft, creamy lather.

    May suit

    People looking for a gentle, low-irritation cleansing option or those using sulphate-free shampoos.

    Worth knowing

    It is known for being milder than many traditional surfactants and is often used in formulas designed to maintain softness after washing.

  • Cocamidopropyl Hydroxysultaine Cleansers / surfactants
    Mild surfactant

    A gentle, foam-boosting surfactant that helps cleanse hair without excessive stripping.

    May suit

    Those looking for mild cleansing, including people with dry, curly or colour-treated hair.

    Worth knowing

    It is commonly used alongside other surfactants to create a balanced, gentle cleansing system. It can also help improve the texture and thickness of formulations.

  • Disodium Cocoyl Glutamate Cleansers / surfactants
    Gentle surfactant

    A mild, coconut‑derived surfactant that helps cleanse hair and scalp without excessive stripping.

    May suit

    People looking for gentle or low‑foaming cleansers, including those with dry, damaged or sensitive scalps.

    Worth knowing

    It is part of a group of glutamate‑based surfactants valued for their mildness and compatibility with many hair types.

  • Sodium Lauroyl Sarcosinate Cleansers / surfactants
    Mild surfactant

    A gentle cleansing agent that helps lift away oils and impurities.

    May suit

    People looking for mild, low-foaming cleansers that are generally considered suitable for sensitive or dry hair types.

    Worth knowing

    It is often used as an alternative to stronger surfactants to create a softer, more conditioning lather. It can also support formula stability and mildness in blended surfactant systems.

  • Decyl Glucoside Cleansers / surfactants
    Gentle surfactant

    A mild, plant-derived surfactant that helps cleanse the hair and scalp.

    May suit

    People looking for gentle or low-foaming cleansing options.

    Worth knowing

    It is commonly used in sulphate-free formulas due to its mildness and compatibility with sensitive scalps. It can also help improve the spreadability of a formula.

  • Glycereth-26 Humectants
    Humectant and solubiliser

    Helps attract and hold moisture while also assisting in dissolving and stabilising other ingredients.

    May suit

    Those seeking extra hydration or smoother product application.

    Worth knowing

    It is often used to improve texture and enhance the spreadability of haircare formulas. It can also support uniform distribution of other ingredients.

  • Bis-Aminopropyl Diglycol Dimaleate Conditioning agents
    Bond-building conditioning agent

    Helps support and reinforce hair’s internal bonds to improve strength and feel.

    May suit

    People with colour-treated, heat-styled or chemically processed hair seeking added resilience.

    Worth knowing

    It is known for its use in bond-building treatments that work alongside regular conditioners. It supports the hair structure rather than coating it heavily.

  • Cocamidopropylamine Oxide Cleansers / surfactants
    Foam booster / mild surfactant

    A mild surfactant that boosts foam and helps cleanse while supporting product texture.

    May suit

    People looking for gentle yet effective cleansing or a rich, creamy lather in shampoos.

    Worth knowing

    It is often used alongside other surfactants to improve mildness and enhance foam quality. It also helps stabilise formulations and improve rinsability.

  • Disodium Laureth Sulfosuccinate Cleansers / surfactants
    Mild cleansing surfactant

    A gentle surfactant that helps cleanse the hair and scalp by lifting away oils and impurities.

    May suit

    People looking for a milder alternative to traditional sulphate surfactants.

    Worth knowing

    It is often used in gentle or colour-care formulas because it provides effective cleansing with a softer feel. Despite the name, it is typically considered milder than many common sulphate surfactants.

  • Glycol Distearate Thickeners and stabilisers
    Opacifier and pearlising agent

    Adds a pearlescent look and helps thicken and stabilise shampoos and conditioners.

    May suit

    Those who like creamy, luxurious-feeling shampoo or conditioner textures.

    Worth knowing

    It also provides a mild conditioning feel, helping formulas spread smoothly through the hair. Its use is common in many everyday cleansing products.

  • Sodium Cocoyl Glutamate Cleansers / surfactants
    Mild cleansing surfactant

    A gentle surfactant that helps cleanse the hair and scalp while maintaining a soft feel.

    May suit

    Those looking for mild, low-foaming cleansers including sensitive scalps or dry hair types.

    Worth knowing

    It is derived from coconut fatty acids and glutamic acid and is commonly used in gentle or sulphate‑free cleansing formulas.

  • Methyl Gluceth-20 Humectants
    Humectant

    A moisturising ingredient that helps attract and hold water in the hair and scalp.

    May suit

    Those seeking added hydration without heaviness, including dry or coarse hair types.

    Worth knowing

    It is derived from glucose and is commonly used for its gentle, non-sticky hydration profile. It can also help improve the feel and spreadability of formulations.

  • Acrylates Copolymer Thickeners and stabilisers
    Film-forming polymer

    Acrylates Copolymer helps form a lightweight film that supports hold, texture and product stability.

    May suit

    People looking for enhanced styling hold or frizz control.

    Worth knowing

    It is widely used in styling products to help shape and set the hair without feeling heavy. It also contributes to product consistency and spreadability.

  • PEG-120 Methyl Glucose Dioleate Thickeners and stabilisers
    Thickener and mild surfactant

    Helps thicken and stabilise formulations while adding mild cleansing action.

    May suit

    Those using shampoos or washes that benefit from a richer, more stable texture.

    Worth knowing

    It is a nonionic surfactant derived from glucose and is commonly used to improve viscosity in gentle cleansing products. It is well tolerated in most haircare formulas.

  • Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that targets rougher areas of the hair to smooth and protect.

    May suit

    Damaged, frizz-prone or colour-treated hair wanting targeted smoothing.

    Worth knowing

    Designed to deposit where hair needs it most. Some prefer silicone-free formulas by choice.

  • Citric Acid pH adjusters
    pH adjuster

    Fine-tunes the product pH, which can help the hair surface feel smooth.

    May suit

    Most hair types as part of a balanced formula.

    Worth knowing

    Usually present in small amounts to balance the formula.

  • Sodium Lauryl Sulfoacetate Cleansers / surfactants
    Cleansing surfactant

    A mild surfactant that helps create lather and lift away excess oils and build-up.

    May suit

    People looking for effective cleansing with a gentler feel than traditional sulphate surfactants.

    Worth knowing

    It is often used in shampoos where a rich, foamy lather is desired without a stripped feel. Its molecule is larger than some classic sulphates, which can give it a milder profile on the hair and scalp.

  • Polyquaternium-10 Conditioning agents
    Conditioning agent

    A conditioning polymer that smooths the hair surface and helps with detangling and feel.

    May suit

    Most hair types wanting smoother, easier-to-manage hair.

    Worth knowing

    Widely used in shampoos and conditioners for slip and softness.

  • Ethylhexylglycerin Preservatives
    Preservative booster

    Helps support the preservation system and can provide mild skin-conditioning benefits.

    May suit

    Those interested in gentle preservation systems or sensitive scalps may find it relevant.

    Worth knowing

    It is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.

  • Divinyldimethicone/Dimethicone Copolymer Silicones
    Smoothing silicone

    A silicone copolymer that forms a lightweight, flexible film on hair to enhance smoothness and shine.

    May suit

    Those looking for frizz control, heat-styling support or a sleeker finish.

    Worth knowing

    It is often used for its long-lasting silky feel without adding heaviness. Many styling and conditioning products rely on this type of silicone for improved manageability.

  • Polyquaternium-11 Conditioning agents
    Film-forming conditioner

    A film-forming polymer that helps smooth, condition and lightly hold the hair.

    May suit

    People looking for improved manageability, frizz control or soft styling hold.

    Worth knowing

    It is commonly used in both shampoos and styling products because it enhances slip and helps hair feel smoother. It can also support curl definition and reduce static.

  • Trisodium Ethylenediamine Disuccinate Chelating agents
    Chelating agent

    Helps bind metal ions in formulas to improve product stability and performance.

    May suit

    People in hard‑water areas who want products that rinse cleanly and maintain consistent results.

    Worth knowing

    It supports formula stability and can help prevent mineral build‑up that may affect how products feel or work on the hair.

  • Guar Hydroxypropyltrimonium Chloride Conditioning agents
    Conditioning polymer

    A conditioning polymer that helps smooth hair and improve slip.

    May suit

    Those looking for softer, easier-to-detangle hair.

    Worth knowing

    It is derived from guar gum and is commonly used to enhance conditioning in shampoos and conditioners. It can also reduce static and improve manageability.

  • C11-15 Pareth-7 Cleansers / surfactants
    Non-ionic surfactant

    A non-ionic surfactant that helps cleanse and allows oil and water to mix evenly.

    May suit

    Those looking for effective yet mild cleansing or improved product spreadability.

    Worth knowing

    It is commonly used in shampoos and styling products to support gentle cleansing and stable formulations. Non-ionic surfactants like this are valued for being versatile in different formula types.

  • Laureth-9 Cleansers / surfactants
    Surfactant and emulsifier

    Laureth-9 helps blend oil and water components and provides light cleansing or solubilising action.

    May suit

    Those looking for products that spread evenly or contain stable blends of oils and water-based ingredients.

    Worth knowing

    It is a versatile non-ionic surfactant often used at low levels to support product texture and stability. It can also assist with foaming and rinse-off performance.

  • Glycerin Humectants
    Humectant

    Attracts and holds water to help hair feel hydrated and soft.

    May suit

    Dry or dehydrated hair, and many curl and moisture routines.

    Worth knowing

    A very common, well-tolerated humectant used across countless products.

  • Trideceth-12 Cleansers / surfactants
    Nonionic surfactant and solubiliser

    Helps blend oil‑based and water‑based ingredients and provides gentle cleansing action.

    May suit

    Those using products that need light cleansing or stable blends of oils, silicones, or fragrances.

    Worth knowing

    It is commonly used to solubilise fragrance or silicone ingredients in shampoos and treatments. Its mild, nonionic nature means it typically works well alongside other surfactants.

  • C12-13 Pareth-23 Cleansers / surfactants
    Non-ionic surfactant / solubiliser

    A non-ionic surfactant that helps mix oil and water and improve product texture.

    May suit

    Those using shampoos, conditioners or styling products that need smooth, stable formulations.

    Worth knowing

    It is commonly used to solubilise oils and fragrances and to support even product spreadability. Non-ionic surfactants like this are generally mild and versatile in many haircare formulas.

  • C12-13 Pareth-3 Cleansers / surfactants
    Non-ionic surfactant

    Helps solubilise and distribute oils and other ingredients evenly through a formula.

    May suit

    Those looking for effective yet mild cleansing or even distribution of conditioning ingredients.

    Worth knowing

    It is commonly used to stabilise formulas and improve the texture of shampoos and styling products. Non-ionic surfactants like this tend to be gentle and versatile.

  • Hydrolyzed Vegetable Protein Proteins and amino acids
    Strengthening protein

    Helps reinforce the hair by depositing small protein fragments that can support softness and resilience.

    May suit

    People looking to improve the feel of weakened, damaged or chemically treated hair.

    Worth knowing

    Vegetable-derived proteins are commonly used because they are lightweight and can help reduce the appearance of breakage. They can be included in both rinse-off and leave-in formulas.

  • Panthenol Conditioning agents
    Conditioning agent

    Helps condition, soften and add a smooth, healthy feel to the hair.

    May suit

    Most hair types, especially dry or dull hair.

    Worth knowing

    A versatile, well-tolerated conditioning ingredient.

  • Acetic Acid pH adjusters
    pH adjuster

    Helps regulate a product’s acidity for optimal hair and scalp performance.

    May suit

    People using products that rely on precise pH levels for smoothness or shine.

    Worth knowing

    Acetic acid is a simple organic acid also found in vinegar and is commonly used to keep formulas stable and effective. At low levels, it can help support cuticle lay-down, contributing to smoother-feeling hair.

  • Tetrasodium EDTA Chelating agents
    Chelating agent

    Helps bind metal ions in water to improve product stability and performance.

    May suit

    Those in hard-water areas who want shampoos and conditioners to rinse more cleanly.

    Worth knowing

    Chelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.

  • Sodium Hydroxide pH adjusters
    pH adjuster

    Helps control and stabilise the pH of haircare formulations.

    May suit

    Those interested in how product pH affects scalp comfort or hair cuticle behaviour.

    Worth knowing

    It is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.

  • Disodium EDTA Chelating agents
    Chelating agent

    Binds to minerals from hard water so the product works consistently and stays stable.

    May suit

    All products, especially in hard-water areas.

    Worth knowing

    Used in tiny amounts to keep formulas performing reliably.

  • Helianthus Annuus (Sunflower) Seed Oil Oils and butters
    Emollient oil

    A plant-derived oil that helps soften and condition the hair and scalp.

    May suit

    Those seeking lightweight natural oils for moisture, shine or scalp comfort.

    Worth knowing

    It is rich in fatty acids that support hair softness without feeling overly heavy. Often used as a carrier oil in both rinse-off and leave-in formulas.

  • Tocopherol Preservatives
    Antioxidant

    An antioxidant that helps support product stability and can provide conditioning benefits to hair.

    May suit

    Those wanting added nourishment or antioxidant support in their haircare routine.

    Worth knowing

    Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.

  • Prunus Armeniaca Kernel Oil Oils and butters
    Nourishing oil

    A lightweight plant oil that helps soften and condition the hair.

    May suit

    Those looking to add softness, shine or light nourishment without a heavy feel.

    Worth knowing

    It is rich in fatty acids and can help smooth the hair cuticle. Often used in blends to support overall hair manageability.

  • Propanediol Humectants
    Hydrating humectant

    Helps attract and hold moisture in hair and supports a smooth, conditioned feel.

    May suit

    Those wanting lightweight hydration without heaviness.

    Worth knowing

    It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

  • PEG-8 Humectants
    Humectant and solvent

    PEG-8 helps attract and hold moisture while improving the spreadability of haircare formulas.

    May suit

    People wanting lightweight hydration without heaviness.

    Worth knowing

    It is commonly used to enhance texture and support even distribution of other ingredients. It also helps dissolve certain actives to keep formulas stable.

  • Euterpe Oleracea Fruit Extract Botanical extracts
    Botanical antioxidant extract

    A plant extract used for its antioxidant and conditioning benefits in haircare.

    May suit

    People looking for botanical ingredients that help support hair softness and overall hair vitality.

    Worth knowing

    Açaí fruit extract is rich in naturally occurring antioxidants, which can complement other conditioning or protective ingredients in a formula. It is commonly included in treatments, shampoos, and masks to enhance the sensory feel of the product.

  • Punica Granatum Extract Botanical extracts
    Botanical extract

    A plant extract used to support conditioning and antioxidant benefits in haircare.

    May suit

    Those looking for botanical ingredients that help support hair softness or scalp comfort.

    Worth knowing

    It is commonly included for its naturally occurring antioxidants and soothing properties. Its role varies depending on formulation and concentration.

  • Musa Sapientum (Banana) Fruit Extract Botanical extracts
    Botanical moisturising extract

    A plant extract used to help condition and soften hair.

    May suit

    Those looking for gentle, plant-derived conditioning benefits.

    Worth knowing

    Banana fruit extracts are often included for their natural sugars and nutrients that can support a smoother feel. They are commonly added to enhance the overall conditioning profile of a formula.

  • Sodium Hyaluronate Humectants
    Hydrating humectant

    Draws moisture into the hair and helps maintain hydration.

    May suit

    Those with dry, dehydrated or coarse hair seeking added softness and moisture retention.

    Worth knowing

    It is the salt form of hyaluronic acid and is widely used because it can hold many times its weight in water. In haircare, it helps support smoother, more manageable strands without adding heaviness.

  • Sodium Polyacrylate Thickeners and stabilisers
    Thickener and stabiliser

    A synthetic polymer used to thicken, stabilise and improve the texture of haircare formulations.

    May suit

    Those who prefer products with a smoother, more consistent texture or enhanced spreadability.

    Worth knowing

    It helps formulas stay uniform and can also provide light film-forming benefits that support styling performance.

  • Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Thickeners and stabilisers
    Antioxidant stabiliser

    An antioxidant that helps stabilise formulas and protect ingredients from degrading over time.

    May suit

    Those interested in product longevity or using heat-styling or UV-exposed products that benefit from stable formulations.

    Worth knowing

    It is commonly used in many personal care products to help maintain formula quality. It does not affect the feel or performance of the product on hair.

  • Biotin Anti-dandruff / scalp care
    Scalp-supporting vitamin

    Biotin is a B‑vitamin used in haircare to support the condition of the scalp and hair fibre.

    May suit

    Those looking for formulas that help maintain a healthy-feeling scalp or the appearance of stronger hair.

    Worth knowing

    In topical products it is used in small amounts to complement other strengthening or scalp-care ingredients. Its effects are supportive rather than dramatic on its own.

  • Benzoic Acid Preservatives
    Preservative

    Helps protect haircare products by supporting the preservation system and maintaining formula stability.

    May suit

    Those who want products that remain fresh and effective throughout their shelf life.

    Worth knowing

    Benzoic Acid is often used alongside other preservatives to create a broad-spectrum system. It also plays a minor role in helping maintain a product’s pH balance.

  • Phenoxyethanol Preservatives
    Preservative

    Helps keep the product stable and pleasant to use after opening.

    May suit

    All products that need protecting from spoilage.

    Worth knowing

    A very common, well-studied preservative used at low levels.

  • Chlorphenesin Preservatives
    Preservative

    Chlorphenesin helps keep haircare products fresh by supporting protection against microbial growth.

    May suit

    Those looking for products with reliable preservation, especially in creams, lotions or styling formulas.

    Worth knowing

    It is commonly used in cosmetics at low levels to help maintain product quality over time. It works alongside other preservatives to support formula stability.

  • Potassium Sorbate Preservatives
    Preservative

    Helps keep haircare formulas stable by preventing the growth of microbes.

    May suit

    Anyone who uses water-based products that benefit from reliable preservation.

    Worth knowing

    It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.

  • Sodium Benzoate Preservatives
    Preservative

    Helps protect water-based products from spoilage so they stay usable.

    May suit

    All products that need a preservative system.

    Worth knowing

    Often paired with other preservatives for broad protection.

  • Parfum Fragrance ingredients
    Fragrance

    Gives the product its scent.

    May suit

    People who enjoy a scented product.

    Worth knowing

    Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

  • Citral Fragrance ingredients
    Fragrance component

    Citral is a fragrance ingredient used to provide a fresh, citrus-like scent.

    May suit

    Those who enjoy citrus-style fragrances or want products with a fresh aromatic profile.

    Worth knowing

    Citral is naturally present in several essential oils and is listed on labels because it is a recognised fragrance allergen. Only small amounts are typically used to adjust or enhance a product’s scent.

  • Hexyl Cinnamal Fragrance ingredients
    Fragrance component

    A fragrance ingredient used to give products a light, floral scent.

    May suit

    Those who enjoy subtly scented haircare products.

    Worth knowing

    It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.

  • Limonene Fragrance ingredients
    Fragrance component

    A fragrance component that also occurs naturally in many citrus and plant oils.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Aqua Solvents
    Solvent

    The water base that carries and dissolves the other ingredients in most products.

    May suit

    All hair and skin types.

    Worth knowing

    Almost always the first ingredient listed in water-based products.

  • Cetearyl Alcohol Conditioning agents
    Fatty alcohol conditioner

    A fatty alcohol that helps soften hair and improve the texture of formulations.

    May suit

    People looking for smoother, more manageable hair or richer, creamier product textures.

    Worth knowing

    Despite the name, fatty alcohols are moisturising and conditioning rather than drying. They also help stabilise and thicken many haircare formulas.

  • PPG-3 Benzyl Ether Myristate Conditioning agents
    Emollient & conditioning agent

    Helps soften the hair and improve slip for easier detangling and smoother feel.

    May suit

    People looking for smoother, more manageable hair or products with a lightweight, non-greasy emollient.

    Worth knowing

    This synthetic emollient is commonly used to add spreadability and a silky finish to haircare formulas. It also helps enhance the overall texture of creams and conditioners.

  • Caprylic/Capric Triglyceride Oils and butters
    Lightweight emollient

    A lightweight emollient that helps soften and smooth the hair without heaviness.

    May suit

    Those wanting conditioning benefits that do not weigh hair down, including fine or easily-greasy hair types.

    Worth knowing

    It is commonly derived from coconut oil and glycerin and is valued for its silky, non-greasy feel. It is widely used in both skincare and haircare for its gentle, versatile performance.

  • Cetyl Alcohol Conditioning agents
    Emollient and texture enhancer

    Cetyl Alcohol helps soften the hair and gives products a smooth, creamy texture.

    May suit

    Those looking for conditioning, slip, or richer textures in their haircare products.

    Worth knowing

    Despite the name, fatty alcohols like cetyl alcohol are non‑drying and are commonly used to add emollience and stability to formulations.

  • Quaternium-91 Conditioning agents
    Conditioning agent

    A conditioning compound that helps smooth, soften and detangle hair.

    May suit

    People looking for improved manageability, reduced frizz and a smoother feel in their hair.

    Worth knowing

    It is often used alongside other conditioning esters to enhance slip and reduce static. It is common in rinse-off conditioners and masks designed for dry or textured hair.

  • Cetrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps smooth and soften the hair while reducing static and tangles.

    May suit

    People looking for improved manageability, detangling and smoother-feeling hair.

    Worth knowing

    It is a commonly used quaternary ammonium compound that helps conditioners spread easily through the hair. It is effective even at low levels, which is why it appears frequently in rinse-off products.

  • Divinyldimethicone/Dimethicone Copolymer Silicones
    Smoothing silicone

    A silicone copolymer that forms a lightweight, flexible film on hair to enhance smoothness and shine.

    May suit

    Those looking for frizz control, heat-styling support or a sleeker finish.

    Worth knowing

    It is often used for its long-lasting silky feel without adding heaviness. Many styling and conditioning products rely on this type of silicone for improved manageability.

  • Behentrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps detangle and soften, reducing static and roughness.

    May suit

    Most hair types, especially tangle-prone or coarse hair.

    Worth knowing

    A common conditioner ingredient despite the chloride name, which simply describes its chemistry.

  • Glycerin Humectants
    Humectant

    Attracts and holds water to help hair feel hydrated and soft.

    May suit

    Dry or dehydrated hair, and many curl and moisture routines.

    Worth knowing

    A very common, well-tolerated humectant used across countless products.

  • Isododecane Solvents
    Lightweight solvent

    Isododecane helps dissolve other ingredients and gives hair products a lightweight, non-greasy feel.

    May suit

    People who prefer lightweight styling or smoothing products that don’t weigh the hair down.

    Worth knowing

    It evaporates quickly, which can help products spread easily without residue. It is commonly used to enhance slip and smoothness in styling formulas.

  • Cetyl Esters Conditioning agents
    Emollient / slip enhancer

    Provides slip and softness while helping to smooth the hair’s surface.

    May suit

    People looking for smoother, more manageable hair textures.

    Worth knowing

    Cetyl esters are wax‑like emollients that improve product spreadability and give a soft, conditioned feel. They are commonly used to enhance texture without heaviness.

  • Bis-Aminopropyl Diglycol Dimaleate Conditioning agents
    Bond-building conditioning agent

    Helps support and reinforce hair’s internal bonds to improve strength and feel.

    May suit

    People with colour-treated, heat-styled or chemically processed hair seeking added resilience.

    Worth knowing

    It is known for its use in bond-building treatments that work alongside regular conditioners. It supports the hair structure rather than coating it heavily.

  • Panthenol Conditioning agents
    Conditioning agent

    Helps condition, soften and add a smooth, healthy feel to the hair.

    May suit

    Most hair types, especially dry or dull hair.

    Worth knowing

    A versatile, well-tolerated conditioning ingredient.

  • Hydroxypropyl Guar Thickeners and stabilisers
    Thickener and stabiliser

    A plant-derived polymer that helps thicken and stabilise haircare formulations.

    May suit

    Those who prefer products with a smoother, more cushioning texture or want improved slip in shampoos and conditioners.

    Worth knowing

    It can also provide light conditioning benefits by helping hair feel softer and easier to detangle. It is commonly used in both rinse-off and leave-in products.

  • PEG-45M Thickeners and stabilisers
    Thickener / stabiliser

    A high‑molecular‑weight polymer used to thicken and stabilise haircare formulations.

    May suit

    Those who prefer products with a smoother, more luxurious texture that stays consistent over time.

    Worth knowing

    It helps improve product feel without contributing weight to the hair. Commonly used in gels, conditioners and styling products for improved spreadability and performance.

  • Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that targets rougher areas of the hair to smooth and protect.

    May suit

    Damaged, frizz-prone or colour-treated hair wanting targeted smoothing.

    Worth knowing

    Designed to deposit where hair needs it most. Some prefer silicone-free formulas by choice.

  • C12-13 Pareth-23 Cleansers / surfactants
    Non-ionic surfactant / solubiliser

    A non-ionic surfactant that helps mix oil and water and improve product texture.

    May suit

    Those using shampoos, conditioners or styling products that need smooth, stable formulations.

    Worth knowing

    It is commonly used to solubilise oils and fragrances and to support even product spreadability. Non-ionic surfactants like this are generally mild and versatile in many haircare formulas.

  • C12-13 Pareth-3 Cleansers / surfactants
    Non-ionic surfactant

    Helps solubilise and distribute oils and other ingredients evenly through a formula.

    May suit

    Those looking for effective yet mild cleansing or even distribution of conditioning ingredients.

    Worth knowing

    It is commonly used to stabilise formulas and improve the texture of shampoos and styling products. Non-ionic surfactants like this tend to be gentle and versatile.

  • Disodium EDTA Chelating agents
    Chelating agent

    Binds to minerals from hard water so the product works consistently and stays stable.

    May suit

    All products, especially in hard-water areas.

    Worth knowing

    Used in tiny amounts to keep formulas performing reliably.

  • Polysilicone-15 UV filters
    UV filter

    A silicone-based UV filter that helps protect hair from UVB exposure.

    May suit

    Those who spend time outdoors or wish to help reduce UV-related colour fade.

    Worth knowing

    It is commonly used in haircare to support UV defence without adding a heavy feel. Often combined with other conditioning agents for smoother application.

  • Camellia Sinensis Seed Oil Oils and butters
    Nourishing oil

    Camellia Sinensis Seed Oil is a lightweight oil used to moisturise and nourish hair.

    May suit

    Anyone looking to add natural hydration and shine to their hair may benefit from this ingredient.

    Worth knowing

    This oil is derived from the seeds of the Camellia Sinensis plant, known for its antioxidant properties. It is often included in haircare products to improve hair softness and manageability without weighing hair down.

    Good to know

    Camellia Sinensis Seed Oil is rich in oleic acid and vitamins, which help support hair health and protect against environmental stressors. It is suitable for most hair types, especially those seeking lightweight conditioning and a natural boost of moisture.

  • C11-15 Pareth-7 Cleansers / surfactants
    Non-ionic surfactant

    A non-ionic surfactant that helps cleanse and allows oil and water to mix evenly.

    May suit

    Those looking for effective yet mild cleansing or improved product spreadability.

    Worth knowing

    It is commonly used in shampoos and styling products to support gentle cleansing and stable formulations. Non-ionic surfactants like this are valued for being versatile in different formula types.

  • Sodium Polyaspartate Conditioning agents
    Conditioning polymer

    Helps condition and hydrate the hair by forming a light, smoothing film.

    May suit

    Anyone looking for improved softness, moisture retention, and manageability.

    Worth knowing

    It can also help reduce static and improve combability without adding weight. Its film-forming nature supports a smoother feel on both hair and skin.

  • Hydroxypropyl Cyclodextrin Thickeners and stabilisers
    Solubiliser / stabiliser / encapsulating agent

    A modified cyclodextrin used to encapsulate and solubilise small molecules like fragrances or actives, improving stability, reducing volatility and aiding controlled release and deposition on hair.

    May suit

    Formulations that need fragrance retention, odour control or improved delivery of conditioning actives; consumers who want longer-lasting scent or better deposition of actives.

    Worth knowing

    It works by forming inclusion complexes with small, often lipophilic molecules, which can reduce evaporation and mask odours. It is commonly used at low concentrations and is generally well tolerated in rinse-off and leave-on hair products.

    Good to know

    Hydroxypropyl Cyclodextrin is a water-soluble, modified cyclic oligosaccharide that traps guest molecules in its hydrophobic cavity, improving solubility and stability of volatile or poorly soluble ingredients. Typical uses include fragrance stabilisation, controlled release of actives, odour reduction and helping deposition of conditioning agents. It is compatible with many formulation types (shampoos, conditioners, styling products and leave-ins). Use levels are usually low (often under a few percent); formulation behaviour depends on degree of substitution and molecular weight. Not classed as a declarable fragrance allergen.

  • Crambe Abyssinica Seed Oil Oils and butters
    Nourishing plant oil

    A lightweight plant oil that helps smooth, condition and add shine to the hair.

    May suit

    Those looking for softening, frizz‑taming or shine‑enhancing benefits without a heavy or greasy feel.

    Worth knowing

    It is rich in long‑chain fatty acids, which can support softness and manageability in haircare formulas.

  • Persea Gratissima Oil Oils and butters
    Nourishing plant oil

    A rich plant oil that helps condition and soften the hair.

    May suit

    Dry, coarse or damaged hair types that benefit from added softness and smoothness.

    Worth knowing

    It is valued for its emollient properties and is often included to support a smoother feel and appearance. It can also help enhance suppleness without weighing hair down when used in balanced formulations.

  • Vitis Vinifera Seed Oil Oils and butters
    Lightweight plant oil

    A lightweight botanical oil that helps condition and soften hair.

    May suit

    People looking for light, non-greasy moisture or those wanting plant-based conditioning ingredients.

    Worth knowing

    It is commonly used for its smooth feel and ease of absorption without weighing hair down. It can also help support shine and manageability in many hair types.

  • Laureth-9 Cleansers / surfactants
    Surfactant and emulsifier

    Laureth-9 helps blend oil and water components and provides light cleansing or solubilising action.

    May suit

    Those looking for products that spread evenly or contain stable blends of oils and water-based ingredients.

    Worth knowing

    It is a versatile non-ionic surfactant often used at low levels to support product texture and stability. It can also assist with foaming and rinse-off performance.

  • Trideceth-12 Cleansers / surfactants
    Nonionic surfactant and solubiliser

    Helps blend oil‑based and water‑based ingredients and provides gentle cleansing action.

    May suit

    Those using products that need light cleansing or stable blends of oils, silicones, or fragrances.

    Worth knowing

    It is commonly used to solubilise fragrance or silicone ingredients in shampoos and treatments. Its mild, nonionic nature means it typically works well alongside other surfactants.

  • Butylene Glycol Humectants
    Humectant and solvent

    Butylene Glycol helps attract and hold moisture while improving the spreadability of hair products.

    May suit

    Those looking for hydrated, smoother-feeling hair or lighter-feeling formulations.

    Worth knowing

    It is commonly used to help ingredients dissolve and to give formulas a soft, glide-on texture. It appears in many leave-in and rinse-off products due to its versatility.

  • Citric Acid pH adjusters
    pH adjuster

    Fine-tunes the product pH, which can help the hair surface feel smooth.

    May suit

    Most hair types as part of a balanced formula.

    Worth knowing

    Usually present in small amounts to balance the formula.

  • Silica Thickeners and stabilisers
    Absorbent and texturising agent

    Silica helps control oil, improve texture and provide slip in haircare formulas.

    May suit

    Those using styling or dry-finish products that benefit from a lightweight, matte feel.

    Worth knowing

    It is a common mineral ingredient used to enhance spreadability and stabilise product textures. It appears in a wide range of hair and styling products for its versatility.

  • Acetic Acid pH adjusters
    pH adjuster

    Helps regulate a product’s acidity for optimal hair and scalp performance.

    May suit

    People using products that rely on precise pH levels for smoothness or shine.

    Worth knowing

    Acetic acid is a simple organic acid also found in vinegar and is commonly used to keep formulas stable and effective. At low levels, it can help support cuticle lay-down, contributing to smoother-feeling hair.

  • Etidronic Acid Chelating agents
    Chelating agent

    Etidronic Acid helps bind metal ions in water and formulas to support product stability and performance.

    May suit

    People living in hard‑water areas or those wanting formulas that rinse more cleanly.

    Worth knowing

    Chelating agents can support the effectiveness of cleansing and conditioning products by preventing mineral build‑up. They are widely used at low levels to help maintain formulation clarity and consistency.

  • Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Thickeners and stabilisers
    Antioxidant stabiliser

    An antioxidant that helps stabilise formulas and protect ingredients from degrading over time.

    May suit

    Those interested in product longevity or using heat-styling or UV-exposed products that benefit from stable formulations.

    Worth knowing

    It is commonly used in many personal care products to help maintain formula quality. It does not affect the feel or performance of the product on hair.

  • Propylene Glycol Humectants
    Humectant

    Helps hold moisture and carry other ingredients through the formula.

    May suit

    Most hair types as part of a moisturising formula.

    Worth knowing

    A widely used humectant and carrier ingredient.

  • Sodium Acetate pH adjusters
    pH adjuster

    Helps maintain the desired pH level of a haircare formula.

    May suit

    Those interested in products formulated for pH balance or stability.

    Worth knowing

    It supports formula consistency and can enhance the performance of other ingredients by keeping the product within its optimal pH range.

  • PEG-4 Laurate Cleansers / surfactants
    Solubiliser and mild surfactant

    Helps dissolve oils and blend ingredients evenly in haircare formulas.

    May suit

    Those using lightweight cleansers or products designed to rinse clean easily.

    Worth knowing

    It is commonly used to improve the texture and spreadability of formulas and to help oils disperse in water-based products. Its mild nature makes it suitable for many haircare applications.

  • PEG-4 Dilaurate Cleansers / surfactants
    Emulsifier and surfactant

    Helps mix oil and water components and provides gentle cleansing properties.

    May suit

    People looking for products with smooth, stable textures or mild cleansing action.

    Worth knowing

    It is commonly used to improve the spreadability and consistency of haircare formulas. PEG-based ingredients are widely used for their reliable performance in emulsifying and solubilising oils.

  • BHT Preservatives
    Antioxidant

    BHT acts as an antioxidant that helps keep formulas stable over time.

    May suit

    Anyone using products that benefit from extended shelf life and maintained performance.

    Worth knowing

    It helps protect oils and other sensitive ingredients from breaking down when exposed to air and light. It is used in very small amounts to support product consistency.

  • Hydrolysed Hyaluronic Acid Humectants
    Hydrating humectant

    A low‑molecular humectant that helps attract and retain moisture in the hair and scalp.

    May suit

    Those seeking added hydration, smoother hair feel or help with dryness.

    Worth knowing

    Its smaller molecular size allows for easier absorption compared with standard hyaluronic acid. It is commonly used in lightweight hydrating formulas across skincare and haircare.

  • PEG-4 Solvents
    Solvent / humectant

    Helps dissolve other ingredients and support a smooth product texture.

    May suit

    Those using products that rely on clear, uniform formulations or lightweight hydration.

    Worth knowing

    PEG-4 is a low–molecular weight polyethylene glycol commonly used to improve formulation stability and spreadability. It is widely used in both haircare and skincare products.

  • Helianthus Annuus (Sunflower) Seed Oil Oils and butters
    Emollient oil

    A plant-derived oil that helps soften and condition the hair and scalp.

    May suit

    Those seeking lightweight natural oils for moisture, shine or scalp comfort.

    Worth knowing

    It is rich in fatty acids that support hair softness without feeling overly heavy. Often used as a carrier oil in both rinse-off and leave-in formulas.

  • Propanediol Humectants
    Hydrating humectant

    Helps attract and hold moisture in hair and supports a smooth, conditioned feel.

    May suit

    Those wanting lightweight hydration without heaviness.

    Worth knowing

    It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

  • PEG-8 Humectants
    Humectant and solvent

    PEG-8 helps attract and hold moisture while improving the spreadability of haircare formulas.

    May suit

    People wanting lightweight hydration without heaviness.

    Worth knowing

    It is commonly used to enhance texture and support even distribution of other ingredients. It also helps dissolve certain actives to keep formulas stable.

  • Punica Granatum Extract Botanical extracts
    Botanical extract

    A plant extract used to support conditioning and antioxidant benefits in haircare.

    May suit

    Those looking for botanical ingredients that help support hair softness or scalp comfort.

    Worth knowing

    It is commonly included for its naturally occurring antioxidants and soothing properties. Its role varies depending on formulation and concentration.

  • Euterpe Oleracea Fruit Extract Botanical extracts
    Botanical antioxidant extract

    A plant extract used for its antioxidant and conditioning benefits in haircare.

    May suit

    People looking for botanical ingredients that help support hair softness and overall hair vitality.

    Worth knowing

    Açaí fruit extract is rich in naturally occurring antioxidants, which can complement other conditioning or protective ingredients in a formula. It is commonly included in treatments, shampoos, and masks to enhance the sensory feel of the product.

  • Tocopherol Preservatives
    Antioxidant

    An antioxidant that helps support product stability and can provide conditioning benefits to hair.

    May suit

    Those wanting added nourishment or antioxidant support in their haircare routine.

    Worth knowing

    Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.

  • Biotin Anti-dandruff / scalp care
    Scalp-supporting vitamin

    Biotin is a B‑vitamin used in haircare to support the condition of the scalp and hair fibre.

    May suit

    Those looking for formulas that help maintain a healthy-feeling scalp or the appearance of stronger hair.

    Worth knowing

    In topical products it is used in small amounts to complement other strengthening or scalp-care ingredients. Its effects are supportive rather than dramatic on its own.

  • Phenoxyethanol Preservatives
    Preservative

    Helps keep the product stable and pleasant to use after opening.

    May suit

    All products that need protecting from spoilage.

    Worth knowing

    A very common, well-studied preservative used at low levels.

  • Chlorphenesin Preservatives
    Preservative

    Chlorphenesin helps keep haircare products fresh by supporting protection against microbial growth.

    May suit

    Those looking for products with reliable preservation, especially in creams, lotions or styling formulas.

    Worth knowing

    It is commonly used in cosmetics at low levels to help maintain product quality over time. It works alongside other preservatives to support formula stability.

  • Sodium Dehydroacetate Preservatives
    Preservative

    Helps keep haircare formulas fresh by inhibiting the growth of microbes.

    May suit

    Those who want products that maintain stability over time, including anyone using water-based formulas.

    Worth knowing

    It is commonly used alongside other preservatives to achieve broad-spectrum protection. Its presence supports product quality and shelf life.

  • Sodium Benzoate Preservatives
    Preservative

    Helps protect water-based products from spoilage so they stay usable.

    May suit

    All products that need a preservative system.

    Worth knowing

    Often paired with other preservatives for broad protection.

  • Potassium Sorbate Preservatives
    Preservative

    Helps keep haircare formulas stable by preventing the growth of microbes.

    May suit

    Anyone who uses water-based products that benefit from reliable preservation.

    Worth knowing

    It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.

  • Parfum Fragrance ingredients
    Fragrance

    Gives the product its scent.

    May suit

    People who enjoy a scented product.

    Worth knowing

    Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

  • Citral Fragrance ingredients
    Fragrance component

    Citral is a fragrance ingredient used to provide a fresh, citrus-like scent.

    May suit

    Those who enjoy citrus-style fragrances or want products with a fresh aromatic profile.

    Worth knowing

    Citral is naturally present in several essential oils and is listed on labels because it is a recognised fragrance allergen. Only small amounts are typically used to adjust or enhance a product’s scent.

  • Hexyl Cinnamal Fragrance ingredients
    Fragrance component

    A fragrance ingredient used to give products a light, floral scent.

    May suit

    Those who enjoy subtly scented haircare products.

    Worth knowing

    It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.

  • Limonene Fragrance ingredients
    Fragrance component

    A fragrance component that also occurs naturally in many citrus and plant oils.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

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Reviews: Olaplex Bond Maintenance No.4 Shampoo and No.5 Conditioner Duo

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Most Helpful Review
Finally a product that suits all of my hair needs!! –
Lately i have been revamping my entire beauty, skincare and hair care routine to ensure all products are ALL cruelty free. Shampoo was the difficult one since i have hair that is prone to breakage, excess oil, and dandruff. So finding the suitable product for this has been a journey. However, at last, since using Olaplex not only has it restored my hair, but it doesnt leave it greasy nor dandruffy. Plus they are animal friendly!!
Written by Mikkenzie On 08/02/2020
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