Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase Genesis Anti-Breakage Fortifying Hair Serum
Kerastase

Genesis Anti-Breakage Fortifying Hair Serum

Why You’ll love it
Free from silicones, enhancing scalp health and future hair growth
Prevents hair fall in weakened, breakage-prone hair
Re-anchors and strengthens hair fibres at the root
Reduces hair shedding and breakage significantly over 6 weeks
Description
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Directions
Ingredients
  • 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.

  • Aminomethyl Propanol pH adjusters
    pH adjuster

    Helps adjust and stabilise the pH of haircare formulations.

    May suit

    Those interested in how product pH affects hair and scalp feel may find its presence relevant.

    Worth knowing

    It is commonly used at low levels to help formulas stay effective and consistent. It does not act on the hair directly but supports the overall product performance.

  • 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.

  • 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.

  • Piroctone Olamine Anti-dandruff / scalp care
    Anti-dandruff active

    Piroctone Olamine is a scalp-care ingredient used to help reduce dandruff and maintain a balanced scalp environment.

    May suit

    People experiencing flaking, dryness, or an itchy scalp may appreciate this ingredient.

    Worth knowing

    It is commonly used in anti-dandruff shampoos as a gentle alternative to some other scalp actives. It can be paired with soothing or moisturising ingredients for added comfort.

  • Caffeine Anti-dandruff / scalp care
    Scalp-support ingredient

    Caffeine is used in haircare to help support scalp vitality and create an energised feel.

    May suit

    People interested in scalp-focused formulas or products aimed at maintaining the appearance of fuller, energised hair.

    Worth knowing

    It is often included in shampoos, tonics and leave‑ins to complement other scalp-care ingredients. Its effects are generally most noticeable when used consistently.

  • 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.

  • 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.

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

    Niacinamide is a form of vitamin B3 that helps support a balanced scalp environment and improve hair resilience.

    May suit

    Those looking to support scalp comfort, strengthen hair, or maintain a healthy-looking scalp barrier.

    Worth knowing

    It is commonly used in both skincare and haircare for its soothing and barrier-supporting properties. It pairs well with many other ingredients and is generally well tolerated.

  • Pyridoxine HCl Anti-dandruff / scalp care
    Scalp-supporting vitamin

    A form of vitamin B6 used to support scalp and hair fibre vitality.

    May suit

    Those looking for formulas that help maintain a balanced, comfortable scalp.

    Worth knowing

    Pyridoxine HCl is often included at low levels to help condition the scalp and support healthy-looking hair growth cycles. It is commonly found in strengthening or scalp-focused treatments.

  • 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.

  • Safflower Glucoside Cleansers / surfactants
    Mild surfactant

    A gentle, plant‑derived surfactant used to help cleanse and support product foaming.

    May suit

    Those looking for mild cleansing options or formulas with plant‑derived surfactants.

    Worth knowing

    It is typically valued for its mildness and compatibility with sensitive or dry hair types. It can also help improve the texture and spreadability of a formula.

  • 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.

  • 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.

  • 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.

  • Xylitylglucoside Humectants
    Moisturising humectant

    A sugar‑derived humectant that helps attract and retain moisture in the hair and scalp.

    May suit

    Those seeking improved hydration, softness or smoother hair feel.

    Worth knowing

    It is often used alongside other sugar-based moisturisers to support long‑lasting hydration. It is considered a gentle, conditioning ingredient suitable for most hair types.

  • 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.

  • Benzyl Benzoate Fragrance ingredients
    Fragrance component

    A fragrance component that is listed separately on labels by labelling convention.

    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.

  • Anhydroxylitol Humectants
    Moisture booster

    Helps attract and maintain moisture in the hair and scalp.

    May suit

    Those looking to support hydration in dry or dehydrated hair.

    Worth knowing

    It is part of the xylityl humectant family, often used to enhance overall moisture balance in formulations. It works well alongside other hydrating ingredients.

  • Xylitol Humectants
    Moisture-binding humectant

    Xylitol helps attract and hold moisture in hair and scalp.

    May suit

    Those seeking hydration support for dry hair or a comfortable, balanced scalp.

    Worth knowing

    It is a sugar-derived ingredient often used to support moisture retention and scalp comfort. It can also complement other hydrating ingredients in a formula.

  • 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.

  • 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.

  • 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.

  • 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.

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