Chronologiste Regenerating Leave-In Treatment
Elevate your haircare routine with the luxurious Chronologiste Thermique Régénérant, a leave-in treatment specifically designed to breathe new life into your hair. This premium blow-dry care targets the lengths and ends, ensuring your hair not only looks youthful but feels revitalised too.
The formula of the Chronologiste Thermique Régénérant works miracles by refining the hair's texture and sealing the cuticles, facilitating easier styling and offering unmatched thermo-protection of up to 230°C. It's your shield against the damaging effects of heat styling, ensuring your hair remains protected, smooth, and manageable. Moreover, this advanced formula promises to control frizz for up to 24 hours, even in conditions of 80% humidity, based on instrumental tests that include Bain + Masque.
Beyond its protective qualities, this treatment significantly reduces hair breakage by 85% compared to standard blow-drying, nourishing the hair fibre deeply. The result? Hair that is not only smooth and easy to style but also radiantly shiny. This heat protectant is a testament to Kérastase's commitment to providing haircare solutions that don't just protect but also nourish and beautify your hair.
How To Use Kerastase Chronologiste Regenerating Leave-In Treatment
Apply to damp hair. and blow-dry.
Kerastase Chronologiste Regenerating Leave-In Treatment Ingredients
1199789 C Aqua/water/eau, Cera Alba, Beeswax, Cire Dabeille, Dimethicone, Isopropyl Myristate, Phenoxyethanol, Hydroxypropyl Guar, Peg-40 Hydrogenated Castor Oil, Triethanolamine, Hydroxyethylcellulose, Caprylyl Glycol, Dimethiconol, Peg-30 Glyceryl Stearate, Hydrogenated Styrene/butadiene Copolymer, Ethylhexylglycerin, Benzyl Salicylate, Hexyl Cinnamal, Acrylates/c10-30 Alkyl Acrylate Crosspolymer, Benzyl Alcohol, Disodium Stearoyl Glutamate, Limonene, Citronellol, Tocopherol, Bisabolol, Sodium Hyaluronate, Safflower Glucoside, Geraniol, Hydroxycitronellal, Coumarin, Butylene Glycol, Peg-30 Dipolyhydroxystearate, Trideceth-6, Linalool, Farnesol, Alteromonas Ferment Extract, Sodium Citrate, Parfum/fragrance. C243628/1
Occasionally, product packaging and ingredients are updated without notice. For the most accurate information please check the product packaging.
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Cera Alba (Beeswax) Thickeners and stabilisersThickener and styling aide
A natural wax used to thicken formulas and provide light hold and conditioning.
May suitPeople looking for products that add gentle control, smoothness or texture.
Worth knowingBeeswax can help lock in moisture and give hair a soft, pliable finish. It is commonly used in balms, pomades and creams for shape and definition.
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Cera Alba (Beeswax) Thickeners and stabilisersThickener and styling aide
A natural wax used to thicken formulas and provide light hold and conditioning.
May suitPeople looking for products that add gentle control, smoothness or texture.
Worth knowingBeeswax can help lock in moisture and give hair a soft, pliable finish. It is commonly used in balms, pomades and creams for shape and definition.
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Dimethicone SiliconesSlip and shine agent
Smooths the hair surface, adds slip and shine and helps reduce frizz.
May suitFrizz-prone, coarse or dry hair wanting a smooth, glossy finish.
Worth knowingSome people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.
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Isopropyl Myristate Conditioning agentsEmollient and texture enhancer
Helps soften hair and improve slip by adding light, non-greasy conditioning.
May suitThose looking for smoother-feeling hair or products that apply and spread easily.
Worth knowingIt is a lightweight ester often used to reduce greasiness and enhance the feel of conditioning formulas. It can also support fragrance and oil distribution within a product.
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Phenoxyethanol PreservativesPreservative
Helps keep the product stable and pleasant to use after opening.
May suitAll products that need protecting from spoilage.
Worth knowingA very common, well-studied preservative used at low levels.
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Hydroxypropyl Guar Thickeners and stabilisersThickener and stabiliser
A plant-derived polymer that helps thicken and stabilise haircare formulations.
May suitThose who prefer products with a smoother, more cushioning texture or want improved slip in shampoos and conditioners.
Worth knowingIt 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.
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PEG-40 Hydrogenated Castor Oil Cleansers / surfactantsSolubiliser and emulsifier
Helps blend oils and fragrance into water-based formulas for even texture and performance.
May suitUseful for those who prefer haircare products with clear, consistent textures or evenly dispersed fragrance and oils.
Worth knowingIt 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.
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Triethanolamine pH adjusterspH adjuster
Triethanolamine helps adjust and stabilise the pH of haircare formulations.
May suitThose interested in how a product maintains stability and performance may find this ingredient relevant.
Worth knowingIt is commonly used in small amounts to help products stay within an effective pH range. Its presence supports formulation texture and consistency.
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Hydroxyethylcellulose Thickeners and stabilisersThickener and stabiliser
A polymer that helps thicken and stabilise haircare formulas.
May suitThose who prefer products with a smooth, uniform texture or need easier application and distribution.
Worth knowingIt 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.
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Caprylyl Glycol HumectantsHumectant
Helps attract and hold moisture in hair and scalp while supporting product stability.
May suitThose looking for added hydration or smoother-feeling hair.
Worth knowingIt is also commonly used as a preservative booster to help maintain formula freshness. It is well tolerated in most haircare products.
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Dimethiconol SiliconesSmoothing silicone
A conditioning silicone that helps smooth hair, reduce frizz and add slip.
May suitPeople looking for smoother, shinier hair or help with detangling.
Worth knowingIt is often blended with other silicones to create a lightweight, non-greasy finish. It forms a flexible film on the hair that can improve manageability.
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Ethylhexylglycerin PreservativesPreservative booster
Helps support the preservation system and can provide mild skin-conditioning benefits.
May suitThose interested in gentle preservation systems or sensitive scalps may find it relevant.
Worth knowingIt is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.
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Benzyl Salicylate Fragrance ingredientsFragrance component
Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.
May suitThose who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.
Worth knowingIt 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.
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Hexyl Cinnamal Fragrance ingredientsFragrance component
A fragrance ingredient used to give products a light, floral scent.
May suitThose who enjoy subtly scented haircare products.
Worth knowingIt 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.
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Acrylates/C10-30 Alkyl Acrylate Crosspolymer Thickeners and stabilisersThickener and stabiliser
Helps thicken and stabilise formulas to create a smooth, consistent texture.
May suitThose who prefer products with a rich, gel-like texture or improved spreadability.
Worth knowingIt is widely used in gels, creams and styling products to help keep ingredients evenly dispersed. It can also support formula pH adjustment and enhance product feel.
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Benzyl Alcohol PreservativesPreservative
Helps preserve formulations and can also act as a solvent or light fragrance component.
May suitThose interested in understanding preservative systems or identifying potential fragrance allergens.
Worth knowingBenzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.
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Limonene Fragrance ingredientsFragrance component
A fragrance component that also occurs naturally in many citrus and plant oils.
Worth knowingA 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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Citronellol Fragrance ingredientsFragrance component
A fragrance component with a soft floral, rose-like character.
Worth knowingA 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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Tocopherol PreservativesAntioxidant
An antioxidant that helps support product stability and can provide conditioning benefits to hair.
May suitThose wanting added nourishment or antioxidant support in their haircare routine.
Worth knowingTocopherol 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.
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Bisabolol Botanical extractsSoothing botanical component
Bisabolol is a calming component often used to help soothe the scalp and support comfortable wear of hair products.
May suitThose with a sensitive or easily irritated scalp may appreciate its calming properties.
Worth knowingIt is commonly derived from chamomile or produced synthetically with similar benefits. It is widely used in both skincare and haircare for its gentle, comforting profile.
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Sodium Hyaluronate HumectantsHydrating humectant
Draws moisture into the hair and helps maintain hydration.
May suitThose with dry, dehydrated or coarse hair seeking added softness and moisture retention.
Worth knowingIt 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.
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Safflower Glucoside Cleansers / surfactantsMild surfactant
A gentle, plant‑derived surfactant used to help cleanse and support product foaming.
May suitThose looking for mild cleansing options or formulas with plant‑derived surfactants.
Worth knowingIt 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.
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Geraniol Fragrance ingredientsFragrance component
Geraniol is a fragrant compound that adds a light floral note to haircare products.
May suitThose who enjoy floral-scented hair products or are checking for specific fragrance components.
Worth knowingIt 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.
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Hydroxycitronellal Fragrance ingredientsFragrance component
Hydroxycitronellal is a fragrance ingredient used to give haircare products a fresh, floral scent.
May suitThose who enjoy scented hair products or want a light floral note in their routine.
Worth knowingIt is one of the fragrance allergens that must be listed on labels when present above certain thresholds. People who are monitoring fragrance components for sensitivity may find this information useful.
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Coumarin Fragrance ingredientsFragrance component
Coumarin is a fragrance ingredient that adds a sweet, warm, slightly herbal note to scented formulations.
May suitThose who enjoy subtly sweet, complex fragrance profiles in their haircare products.
Worth knowingIt 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.
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Butylene Glycol HumectantsHumectant and solvent
Butylene Glycol helps attract and hold moisture while improving the spreadability of hair products.
May suitThose looking for hydrated, smoother-feeling hair or lighter-feeling formulations.
Worth knowingIt 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.
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PEG-30 Dipolyhydroxystearate Cleansers / surfactantsEmulsifier
Helps blend oil- and water-based ingredients into a stable, uniform product.
May suitThose looking for smooth, consistent textures in styling or conditioning formulas.
Worth knowingIt is a non-ionic emulsifier often used to improve spreadability and product stability. Its presence helps formulas remain uniform over time.
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Trideceth-6 Cleansers / surfactantsSolubiliser / surfactant
A non-ionic surfactant that helps blend oil-soluble ingredients into water-based formulas.
May suitThose using products with oils or silicones who want them to rinse evenly without residue.
Worth knowingIt is commonly used in shampoos and styling products to support stable, uniform textures. Its mild nature makes it suitable for a wide range of formulations.
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Linalool Fragrance ingredientsFragrance component
A fragrance component found naturally in many flowers and spices.
Worth knowingA 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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Farnesol Fragrance ingredientsFragrance component
Farnesol is a fragrance ingredient used to give products a light floral scent profile.
May suitPeople who monitor specific fragrance allergens in their haircare may find this information useful.
Worth knowingIt occurs naturally in several essential oils and is included in ingredient lists when present above set trace levels. Its presence does not indicate product strength or quality, only transparency for those tracking potential sensitivities.
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Alteromonas Ferment Extract Conditioning agentsMarine-derived conditioning extract
A marine ferment used to help condition and hydrate the hair and scalp.
May suitThose looking for lightweight hydration or products marketed for smoothness or environmental protection benefits.
Worth knowingThis ingredient is created through fermentation of marine microorganisms and is valued for its film-forming and moisturising properties. It is often included in premium formulations for added softness and manageability.
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Sodium Citrate pH adjusterspH adjuster
Sodium Citrate helps maintain or adjust the pH of haircare formulas.
May suitAnyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.
Worth knowingIt 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.