L'Oreal Professional Serioxyl Advanced Shampoo and Densifying Serum Duo
L'Oreal Professional Serioxyl Advanced Shampoo and Densifying Serum Duo
L'Oreal Professional Serioxyl Advanced Shampoo and Densifying Serum Duo

Serioxyl Advanced Shampoo and Densifying Serum Duo

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$108.45
$120.50
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Estimated delivery: Mon, Aug 3rd - Sat, Aug 8th

Free Click and collect is available at checkout. Orders are ready within 1 hour during opening hours. Store Address: 56 Parer Rd, Airport West, VIC Australia 3042 Phone (03) 9999 5902

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Why You’ll love it
Brittle Hair
Damaged
Cruelty Free
Paraben Free
Phthalate Free
Cleanses scalp for optimal growth
Daily serum with 5% Stemoxydine
Lightweight and non-greasy formula
Visibly denser hair in 6 weeks*
Description
Read more
Directions
Ingredients
  • Shampoo Base Cleansers / surfactants
    Cleansing blend

    A general term referring to the blend of cleansing agents used to wash the hair and scalp.

    May suit

    Anyone looking for information on how cleansing components contribute to overall shampoo performance.

    Worth knowing

    A shampoo base typically combines surfactants with conditioning and stabilising ingredients to balance cleansing with hair feel. Exact performance depends on the specific surfactants and supporting ingredients used.

  • 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 Laureth Sulfate Cleansers / surfactants
    Cleanser

    Helps cleanse the hair and scalp by removing oil, sweat and product build-up.

    May suit

    Oily scalps, heavy product users and people who like a strong cleanse.

    Worth knowing

    May feel too cleansing for some dry, curly, colour-treated or sensitive hair types. This depends on the full formula and your hair needs.

  • 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.

  • 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 Chloride Thickeners and stabilisers
    Viscosity adjuster

    Sodium Chloride is used to adjust the thickness of shampoos and other cleansing formulas.

    May suit

    Those interested in how a product’s texture and lather are achieved.

    Worth knowing

    It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.

  • 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.

  • Hexylene Glycol Solvents
    Solvent and texture enhancer

    Hexylene Glycol helps dissolve other ingredients and improves the spreadability of haircare formulations.

    May suit

    Those using stylers, treatments or serums that rely on smooth, even application.

    Worth knowing

    It is commonly used in both leave-in and rinse-off products to support stable, easy-to-apply textures. It can also assist with product absorption and consistency.

  • PEG-55 Propylene Glycol Oleate Cleansers / surfactants
    Solubiliser / mild surfactant

    Helps solubilise oils and distribute ingredients evenly in haircare formulas.

    May suit

    Those using products that blend oils with water-based formulas, such as lightweight cleansers or treatment sprays.

    Worth knowing

    It is often used to help create stable, uniform textures and to support gentle cleansing or dispersion of conditioning oils. Its PEG content also helps products rinse easily.

  • Salicylic Acid Exfoliating acids
    Scalp exfoliant

    Helps dissolve dead skin buildup on the scalp and supports a clearer, fresher surface.

    May suit

    People dealing with flaky scalps, congestion or product buildup.

    Worth knowing

    It is widely used in scalp-care formulas because it breaks down excess oils and debris without needing physical scrubbing. Often found in dandruff-control products.

  • Carbomer Thickeners and stabilisers
    Thickener and stabiliser

    Carbomer helps thicken and stabilise gels, creams and styling formulas.

    May suit

    Anyone who prefers smooth, consistent textures in styling or leave-in products.

    Worth knowing

    It helps formulas stay evenly mixed and glide easily through the hair or onto the scalp. It is widely used because it works in very small amounts and provides reliable texture.

  • 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.

  • 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.

  • 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.

  • Linalool Fragrance ingredients
    Fragrance component

    A fragrance component found naturally in many flowers and spices.

    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.

  • 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.

  • 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.

  • Benzyl Salicylate Fragrance ingredients
    Fragrance component

    Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.

    May suit

    Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

    Worth knowing

    It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

  • Coumarin Fragrance ingredients
    Fragrance component

    Coumarin is a fragrance ingredient that adds a sweet, warm, slightly herbal note to scented formulations.

    May suit

    Those who enjoy subtly sweet, complex fragrance profiles in their haircare products.

    Worth knowing

    It is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.

  • 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.

  • Alpha-Isomethyl Ionone Fragrance ingredients
    Fragrance component

    A fragrance component with a soft, violet-like character.

    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.

  • Acid Violet 43 Colourants
    Colourant

    A synthetic violet dye used to add colour or adjust tones in haircare products.

    May suit

    People using colour-depositing shampoos, conditioners or masks may find it relevant.

    Worth knowing

    It is commonly used in purple and violet toning formulas to help reduce the appearance of brassy or yellow tones in lightened hair. It is present in very small amounts to achieve precise colour effects.

  • 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.

  • Alcohol Denat. Solvents
    Solvent

    A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.

    May suit

    People who use styling products that benefit from quick drying or a lightweight feel.

    Worth knowing

    Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.

  • 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.

  • PEG-40 Hydrogenated Castor Oil Cleansers / surfactants
    Solubiliser and emulsifier

    Helps blend oils and fragrance into water-based formulas for even texture and performance.

    May suit

    Useful for those who prefer haircare products with clear, consistent textures or evenly dispersed fragrance and oils.

    Worth knowing

    It is widely used in shampoos, conditioners and styling products to keep formulations stable and smooth. It also offers mild surfactant properties that support product rinse-off.

  • 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.

  • Inositol Conditioning agents
    Strengthening and conditioning

    Inositol helps support hair strength and manageability by improving the feel of the hair fibre.

    May suit

    Those looking to improve softness, reduce breakage, or support overall hair resilience.

    Worth knowing

    It is often included in strengthening or fortifying formulas due to its ability to interact with the hair surface. Inositol is also found naturally in some plant materials.

  • 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.

  • 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.

  • Linalool Fragrance ingredients
    Fragrance component

    A fragrance component found naturally in many flowers and spices.

    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.

  • Benzyl Salicylate Fragrance ingredients
    Fragrance component

    Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.

    May suit

    Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

    Worth knowing

    It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

  • Benzyl Alcohol Preservatives
    Preservative

    Helps preserve formulations and can also act as a solvent or light fragrance component.

    May suit

    Those interested in understanding preservative systems or identifying potential fragrance allergens.

    Worth knowing

    Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.

  • Citronellol Fragrance ingredients
    Fragrance component

    A fragrance component with a soft floral, rose-like character.

    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.

  • Alpha-Isomethyl Ionone Fragrance ingredients
    Fragrance component

    A fragrance component with a soft, violet-like character.

    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.

  • Geraniol Fragrance ingredients
    Fragrance component

    Geraniol is a fragrant compound that adds a light floral note to haircare products.

    May suit

    Those who enjoy floral-scented hair products or are checking for specific fragrance components.

    Worth knowing

    It is naturally found in essential oils such as rose and geranium and is commonly used to enhance scent profiles. It must be listed on labels when present above certain trace levels.

  • Sodium Citrate pH adjusters
    pH adjuster

    Sodium Citrate helps maintain or adjust the pH of haircare formulas.

    May suit

    Anyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.

    Worth knowing

    It also has mild chelating abilities, helping formulas remain stable in the presence of minerals found in water. Its use supports the consistency and performance of many shampoos and conditioners.

  • 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.

  • 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.

  • Resveratrol Botanical extracts
    Antioxidant

    Provides antioxidant support to help protect hair and scalp from environmental stressors.

    May suit

    Those looking for added protection against colour fade or environmental exposure.

    Worth knowing

    Resveratrol is a polyphenol commonly derived from grapes and other plants and is valued for its stability and antioxidant properties in cosmetic formulas.

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