Limited edition
Olaplex Deep Cleanse & Moisture Duo
Olaplex Deep Cleanse & Moisture Duo
Olaplex Deep Cleanse & Moisture Duo
Olaplex Deep Cleanse & Moisture Duo
Olaplex Deep Cleanse & Moisture Duo
"Good for alternating." - gabriele
Olaplex

Deep Cleanse & Moisture Duo

5 (1)
$91.80
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Most Helpful Review
"Good for alternating." - gabriele
Why You’ll love it
Deep Cleansing
Moisturizing & Hydrating
Cruelty Free
Gluten Free
Paraben Free
Nº.4C Bond Maintenance® Clarifying Shampoo - Deep clean with airy volume & softness.
Nº.8 Bond Intense Moisture Mask - 2X shine, 4X moisture, 6X smoother
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.

  • Sodium Lauroyl Glutamate Cleansers / surfactants
    Mild surfactant

    A gentle amino‑acid‑based cleanser that helps lift away oils and buildup.

    May suit

    People looking for mild cleansing, including those with dry, fine or colour‑treated hair.

    Worth knowing

    It is known for producing a soft, low‑irritancy lather and is often used in gentler shampoo formulas. It can also support a smoother feel compared with stronger surfactants.

  • Coco-Betaine Cleansers / surfactants
    Mild surfactant

    A mild, coconut-derived surfactant that helps cleanse and create a soft lather.

    May suit

    People looking for gentle cleansing that doesn't feel stripping.

    Worth knowing

    It is often used alongside other surfactants to improve foam quality and overall mildness. Common in shampoos designed for frequent use.

  • 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.

  • 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.

  • Cocamidopropyl Betaine Cleansers / surfactants
    Cleanser / foam booster

    A milder co-surfactant that helps cleanse, boost foam and soften the feel of stronger cleansers.

    May suit

    Most hair types, including those wanting a gentler wash.

    Worth knowing

    Often paired with other surfactants to make a formula feel milder.

  • 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.

  • Sodium Methyl Oleoyl Taurate Cleansers / surfactants
    Mild surfactant

    A gentle, lathering surfactant that helps cleanse the hair and scalp.

    May suit

    Those looking for a milder alternative to stronger cleansing agents.

    Worth knowing

    It is part of a group of taurine-based surfactants known for balancing cleansing ability with a softer feel on hair and skin. It is often used in formulas designed to maintain moisture while removing buildup.

  • 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.

  • 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.

  • 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.

  • 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.

  • Coco-Glucoside Cleansers / surfactants
    Gentle cleanser

    A gentle, plant-derived surfactant used in milder cleansing formulas.

    May suit

    Sensitive scalps and people seeking a gentle, sulphate-free cleanse.

    Worth knowing

    Common in gentle and sulphate-free shampoos.

  • Lauryl Glucoside Cleansers / surfactants
    Mild surfactant

    A gentle, plant-derived surfactant used to cleanse hair and help products foam.

    May suit

    Those looking for mild cleansing, including people with sensitive scalps or dry hair.

    Worth knowing

    It is part of the alkyl glucoside family, known for creating a soft, low-irritation lather. It is often blended with other surfactants to balance foam and cleansing strength.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Sodium PCA Humectants
    Moisture-binding humectant

    Sodium PCA helps attract and hold moisture in the hair and scalp.

    May suit

    Those looking to improve hair hydration, softness, or manageability.

    Worth knowing

    It is a component of the skin and scalp’s natural moisturising factors and is well tolerated in most formulations.

  • Sodium Lactate Humectants
    Moisture-binding humectant

    Helps attract and hold moisture in the hair and scalp.

    May suit

    Those seeking added hydration, improved manageability, or support for dry scalp.

    Worth knowing

    It is a salt of lactic acid often used to enhance moisture retention and support a balanced formula. It can also contribute mild pH-buffering benefits depending on the product.

  • Arginine Proteins and amino acids
    Amino acid

    An amino acid used to support hair strength and maintain moisture balance.

    May suit

    Those looking for formulas that help with hair resilience or hydration.

    Worth knowing

    Arginine is naturally present in the hair’s keratin structure and is commonly added to strengthening or repairing products. It is also used in some formulations to help support scalp comfort.

  • Aspartic Acid Proteins and amino acids
    Amino acid conditioning support

    Aspartic Acid is an amino acid used to help support hair conditioning and moisture retention.

    May suit

    Those looking for formulas that help improve softness or replenish amino acids in chemically treated or dry hair.

    Worth knowing

    It is often included as part of amino acid blends that help maintain the hair’s moisture balance. Its effects are subtle but can contribute to an overall conditioning system.

  • Pyrrolidone Carboxylic Acid Humectants
    Moisture-binding humectant

    A humectant that helps attract and hold moisture in the hair and scalp.

    May suit

    Those with dry or dehydrated hair seeking improved softness and manageability.

    Worth knowing

    PCA is related to naturally occurring moisturising factors found in skin and hair. It is often used alongside other humectants for balanced hydration.

  • 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.

  • Glycine Proteins and amino acids
    Amino acid

    An amino acid that helps support hair softness and overall hair fibre condition.

    May suit

    Those looking to improve hair manageability or support moisture balance.

    Worth knowing

    Glycine is often included as part of amino acid blends used to condition and reinforce the hair fibre. It can also appear in gentle cleansing systems and care-focused formulations.

  • Alanine Proteins and amino acids
    Amino acid conditioner

    Alanine is an amino acid used to help condition and support hair feel and manageability.

    May suit

    People looking for gentle conditioning ingredients or formulas designed to support softness without heaviness.

    Worth knowing

    Amino acids like alanine are often included in haircare to complement protein or moisture-focused formulas. They can contribute to a smooth, hydrated feel.

  • Serine Proteins and amino acids
    Amino acid conditioner

    Serine is an amino acid used to support moisture balance and improve the feel of hair.

    May suit

    Those seeking lightweight hydration or formulas that help smooth and soften hair.

    Worth knowing

    Amino acids like serine are often included in conditioning or strengthening blends to complement other hair-hydrating ingredients. They can be used in many types of haircare from shampoos to treatments.

  • Valine Proteins and amino acids
    Amino acid

    Valine is an amino acid used to help support the hair’s conditioning profile and overall feel.

    May suit

    Those interested in formulas that include amino acids to help maintain soft, manageable hair.

    Worth knowing

    Amino acids can complement conditioning systems by supporting moisture balance and hair feel. They are often included in small amounts as part of complex ingredient blends.

  • Proline Proteins and amino acids
    Amino acid conditioner

    An amino acid that helps support hair feel, softness and overall conditioning.

    May suit

    Those looking for formulas that help improve hair manageability or support lightly replenishing treatments.

    Worth knowing

    Amino acids like proline are often included in small amounts to complement conditioning systems and support the hair’s natural protein structure.

  • Threonine Proteins and amino acids
    Amino acid

    Threonine is an amino acid used to support hair conditioning and strength.

    May suit

    Those looking for formulas that help maintain softness and support the hair’s protein structure.

    Worth knowing

    Amino acids are often included in haircare to help improve the feel and manageability of the hair fibre. They can complement other conditioning and strengthening ingredients in a formula.

  • Histidine Proteins and amino acids
    Amino acid conditioning agent

    Histidine is an amino acid used to support hair strength and help improve manageability.

    May suit

    Those looking for formulas that help reinforce hair structure or support colour-treated or weakened hair.

    Worth knowing

    Amino acids like histidine can complement protein-based routines by helping maintain the hair’s natural building blocks. It is often included in small amounts to support overall formula performance.

  • Phenylalanine Proteins and amino acids
    Amino acid

    An amino acid used to help support the hair’s strength and overall feel.

    May suit

    Those looking for formulas that include amino acids for lightweight conditioning or strengthening benefits.

    Worth knowing

    Amino acids like phenylalanine are often included in haircare to complement other conditioning or repair-focused ingredients.

  • 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.

  • 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.

  • Dimethicone Silicones
    Slip and shine agent

    Smooths the hair surface, adds slip and shine and helps reduce frizz.

    May suit

    Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.

    Worth knowing

    Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.

  • 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.

  • 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.

  • 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.

  • Stearyl Alcohol Conditioning agents
    Emollient and thickener

    A fatty alcohol that helps soften the hair and give products a smooth, creamy texture.

    May suit

    People looking for conditioners or treatments that provide slip, softness and richer textures.

    Worth knowing

    Although called an alcohol, it is a waxy, non‑drying fatty alcohol commonly used to enhance conditioning performance and product stability.

  • Ethylhexyl Olivate Conditioning agents
    Emollient conditioner

    A lightweight emollient that helps smooth and soften the hair.

    May suit

    Those looking for added slip, softness, or a lighter alternative to heavier oils.

    Worth knowing

    It is derived from olive oil and is often used to give hair a silky, conditioned feel without weighing it down. It also helps improve blendability in formulations.

  • 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.

  • Cetrimonium Bromide Conditioning agents
    Conditioning agent

    A cationic conditioning agent that helps smooth and detangle hair.

    May suit

    Those looking for improved slip, reduced static and easier detangling.

    Worth knowing

    It is commonly used in conditioners and treatments to enhance softness and manageability. It also offers some mild antimicrobial benefits in formulations.

  • Limnanthes Alba Seed Oil Oils and butters
    Nourishing plant oil

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

    May suit

    Those looking to boost shine, reduce frizz, or add light nourishment without heaviness.

    Worth knowing

    It is prized for its stability and ability to add a soft, conditioned feel to hair without a greasy finish.

  • Oryza Sativa (Rice) Bran Oil Oils and butters
    Emollient oil

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

    May suit

    Those seeking added softness, shine, or nourishment without a heavy feel.

    Worth knowing

    Rice bran oil is rich in fatty acids and antioxidants, which can support a smooth, conditioned hair feel. It is commonly used in both leave‑in and rinse‑off formulas.

  • Quaternium-80 Conditioning agents
    Conditioning agent

    A conditioning polymer that helps smooth and soften hair while reducing static.

    May suit

    People seeking improved manageability, reduced frizz or a silkier feel in their hair.

    Worth knowing

    It is a cationic ingredient that deposits easily on the hair surface to enhance slip and detangling. Commonly used in conditioners, masks and leave-ins for a smoother finish.

  • Squalane Oils and butters
    Lightweight emollient

    Squalane is a lightweight emollient that helps smooth and soften the hair.

    May suit

    Those seeking added softness, shine and frizz control without a heavy or greasy feel.

    Worth knowing

    It is often derived from plant sources such as sugarcane and is valued for its stability and non-greasy texture. It is suitable for most hair types, including fine hair, due to its lightness.

  • Ceramide AP Conditioning agents
    Lipid-replenishing conditioner

    Helps reinforce the hair’s protective barrier by supplementing natural lipids.

    May suit

    Those seeking smoother, more resilient hair or support for damaged or chemically treated hair.

    Worth knowing

    Ceramides are naturally found in hair and are often used in formulations to enhance softness and manageability. They work well alongside other conditioning agents in modern repair-focused products.

  • Ceramide NP Conditioning agents
    Hair-conditioning lipid

    A ceramide that helps reinforce the hair’s protective barrier and support moisture retention.

    May suit

    Those with dry, damaged or chemically treated hair seeking smoother, more resilient strands.

    Worth knowing

    Ceramides are lipids naturally present in hair and are often added to formulations to help improve feel and manageability. They can complement conditioning agents by supporting the hair’s surface structure.

  • Hydrolysed Jojoba Esters Conditioning agents
    Conditioning agent

    A lightweight conditioning ingredient derived from jojoba that helps smooth and soften the hair.

    May suit

    People looking for added softness, light conditioning, or improved manageability without heaviness.

    Worth knowing

    Hydrolysed jojoba materials can enhance slip and help reduce friction during styling. They are commonly used in both rinse-off and leave‑in formulas.

  • 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 PCA Humectants
    Moisture-binding humectant

    Sodium PCA helps attract and hold moisture in the hair and scalp.

    May suit

    Those looking to improve hair hydration, softness, or manageability.

    Worth knowing

    It is a component of the skin and scalp’s natural moisturising factors and is well tolerated in most formulations.

  • 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.

  • Arginine Proteins and amino acids
    Amino acid

    An amino acid used to support hair strength and maintain moisture balance.

    May suit

    Those looking for formulas that help with hair resilience or hydration.

    Worth knowing

    Arginine is naturally present in the hair’s keratin structure and is commonly added to strengthening or repairing products. It is also used in some formulations to help support scalp comfort.

  • Jojoba Esters Conditioning agents
    Emollient conditioner

    Jojoba Esters help soften and smooth the hair by providing lightweight conditioning and a silky feel.

    May suit

    Those seeking lightweight conditioning that does not weigh down fine to medium hair.

    Worth knowing

    They are derived from jojoba oil but are more stable and have a less oily finish. Commonly used to add slip and reduce frizz in haircare 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.

  • Carthamus Tinctorius (Safflower) Seed Oil Oils and butters
    Lightweight plant oil

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

    May suit

    Those wanting smoother, more manageable hair without a heavy or greasy feel.

    Worth knowing

    Safflower seed oil is rich in linoleic acid, which can support softness and shine. It is commonly used in both hair and skin formulations due to its light texture.

  • Cannabis Sativa Seed Oil Oils and butters
    Nourishing plant oil

    A lightweight plant oil that helps soften and condition hair.

    May suit

    People seeking added nourishment or softness without a heavy, greasy feel.

    Worth knowing

    This oil is valued for its balanced fatty acid profile, which supports smoothness and manageability. It is typically used to boost hydration and shine in both hair and scalp products.

  • Glycine Proteins and amino acids
    Amino acid

    An amino acid that helps support hair softness and overall hair fibre condition.

    May suit

    Those looking to improve hair manageability or support moisture balance.

    Worth knowing

    Glycine is often included as part of amino acid blends used to condition and reinforce the hair fibre. It can also appear in gentle cleansing systems and care-focused formulations.

  • Alanine Proteins and amino acids
    Amino acid conditioner

    Alanine is an amino acid used to help condition and support hair feel and manageability.

    May suit

    People looking for gentle conditioning ingredients or formulas designed to support softness without heaviness.

    Worth knowing

    Amino acids like alanine are often included in haircare to complement protein or moisture-focused formulas. They can contribute to a smooth, hydrated feel.

  • Serine Proteins and amino acids
    Amino acid conditioner

    Serine is an amino acid used to support moisture balance and improve the feel of hair.

    May suit

    Those seeking lightweight hydration or formulas that help smooth and soften hair.

    Worth knowing

    Amino acids like serine are often included in conditioning or strengthening blends to complement other hair-hydrating ingredients. They can be used in many types of haircare from shampoos to treatments.

  • Valine Proteins and amino acids
    Amino acid

    Valine is an amino acid used to help support the hair’s conditioning profile and overall feel.

    May suit

    Those interested in formulas that include amino acids to help maintain soft, manageable hair.

    Worth knowing

    Amino acids can complement conditioning systems by supporting moisture balance and hair feel. They are often included in small amounts as part of complex ingredient blends.

  • Isoleucine Proteins and amino acids
    Amino acid

    A conditioning amino acid that helps support the hair’s strength and feel.

    May suit

    Those looking to support hair softness or maintain the integrity of damaged or chemically treated hair.

    Worth knowing

    Amino acids like isoleucine can contribute to formulas designed to help maintain the hair’s moisture balance and resilience.

  • Proline Proteins and amino acids
    Amino acid conditioner

    An amino acid that helps support hair feel, softness and overall conditioning.

    May suit

    Those looking for formulas that help improve hair manageability or support lightly replenishing treatments.

    Worth knowing

    Amino acids like proline are often included in small amounts to complement conditioning systems and support the hair’s natural protein structure.

  • Threonine Proteins and amino acids
    Amino acid

    Threonine is an amino acid used to support hair conditioning and strength.

    May suit

    Those looking for formulas that help maintain softness and support the hair’s protein structure.

    Worth knowing

    Amino acids are often included in haircare to help improve the feel and manageability of the hair fibre. They can complement other conditioning and strengthening ingredients in a formula.

  • 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.

  • Histidine Proteins and amino acids
    Amino acid conditioning agent

    Histidine is an amino acid used to support hair strength and help improve manageability.

    May suit

    Those looking for formulas that help reinforce hair structure or support colour-treated or weakened hair.

    Worth knowing

    Amino acids like histidine can complement protein-based routines by helping maintain the hair’s natural building blocks. It is often included in small amounts to support overall formula performance.

  • Hydroxyethylcellulose Thickeners and stabilisers
    Thickener and stabiliser

    A polymer that helps thicken and stabilise haircare formulas.

    May suit

    Those who prefer products with a smooth, uniform texture or need easier application and distribution.

    Worth knowing

    It is derived from cellulose and is widely used because it provides viscosity without weighing hair down. It also helps improve the feel and spreadability of many water-based products.

  • Phenylalanine Proteins and amino acids
    Amino acid

    An amino acid used to help support the hair’s strength and overall feel.

    May suit

    Those looking for formulas that include amino acids for lightweight conditioning or strengthening benefits.

    Worth knowing

    Amino acids like phenylalanine are often included in haircare to complement other conditioning or repair-focused ingredients.

  • Aspartic Acid Proteins and amino acids
    Amino acid conditioning support

    Aspartic Acid is an amino acid used to help support hair conditioning and moisture retention.

    May suit

    Those looking for formulas that help improve softness or replenish amino acids in chemically treated or dry hair.

    Worth knowing

    It is often included as part of amino acid blends that help maintain the hair’s moisture balance. Its effects are subtle but can contribute to an overall conditioning system.

  • Pyrrolidone Carboxylic Acid Humectants
    Moisture-binding humectant

    A humectant that helps attract and hold moisture in the hair and scalp.

    May suit

    Those with dry or dehydrated hair seeking improved softness and manageability.

    Worth knowing

    PCA is related to naturally occurring moisturising factors found in skin and hair. It is often used alongside other humectants for balanced hydration.

  • Phosphatidylcholine Conditioning agents
    Emollient and conditioning lipid

    A phospholipid that helps condition hair and support smooth, soft feel.

    May suit

    Those seeking lightweight conditioning or products designed to support the hair’s moisture balance.

    Worth knowing

    It is a naturally occurring lipid often used to help improve texture and spreadability in formulations. In some products it also supports the delivery of other ingredients.

  • 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 Lactate Humectants
    Moisture-binding humectant

    Helps attract and hold moisture in the hair and scalp.

    May suit

    Those seeking added hydration, improved manageability, or support for dry scalp.

    Worth knowing

    It is a salt of lactic acid often used to enhance moisture retention and support a balanced formula. It can also contribute mild pH-buffering benefits depending on the product.

  • 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.

  • 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.

  • 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.

  • Bis-Cetearyl Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that helps smooth, soften and protect the hair.

    May suit

    Those looking for improved manageability, reduced frizz or extra slip during styling.

    Worth knowing

    It forms a lightweight conditioning film that can enhance shine and detangling without a heavy feel. It is commonly used in both rinse-off and leave-in products.

  • 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.

  • Isopropyl Alcohol Solvents
    Solvent

    Helps dissolve ingredients and supports quick-drying formulas.

    May suit

    Those using styling products that benefit from fast evaporation, such as sprays.

    Worth knowing

    It is commonly used at low levels to improve texture and spreadability. It evaporates quickly, leaving minimal residue on the hair.

  • 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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