KERASTASE Blond Absolu Bain Lumiere 8.5 oz
Analysis updated September 2026 · How Scout scores
At a glance
Summary
This shampoo contains Sodium Laureth Sulfate, which can strip natural oils from the hair and scalp, and synthetic fragrance, which may include undisclosed chemicals that could be allergens or irritants. However, it also includes beneficial ingredients like glycerin, salicylic acid, and sodium hyaluronate, which help to moisturize and improve scalp health. The presence of these beneficial components provides some balance to the formulation, despite the inclusion of harsher ingredients.
Key ingredients 19
GlycerinGood
Glycerin is a humectant that attracts moisture to the hair and scalp. It helps to maintain hydration and improve the texture of hair. It is generally well-tolerated and beneficial for dry hair.
Benefits
Helps to hydrate and soften hair, improving manageability.
Salicylic AcidGood
Salicylic Acid is a beta hydroxy acid that helps to exfoliate the scalp and remove dead skin cells. It can help to reduce dandruff and improve scalp health. It is beneficial for individuals with oily or flaky scalps.
Risks
May cause irritation or dryness if used excessively.
Benefits
Helps to exfoliate the scalp and reduce dandruff.
TocopherolGood
Tocopherol, also known as Vitamin E, is an antioxidant that helps to protect hair and scalp from oxidative stress. It can improve hair health and appearance. It is beneficial for maintaining the integrity of the product.
Benefits
Protects hair and scalp from oxidative damage.
Leontopodium Alpinum Flower/Leaf ExtractGood
This extract is known for its antioxidant properties and helps to protect hair from environmental damage. It can improve the overall health and appearance of hair. It is derived from the Edelweiss plant and is considered beneficial.
Benefits
Provides antioxidant protection and improves hair health.
Sodium HyaluronateGood
Sodium Hyaluronate is a form of hyaluronic acid that helps to retain moisture in the hair and scalp. It can improve hydration and elasticity of hair. It is beneficial for dry or damaged hair.
Benefits
Enhances moisture retention and improves hair elasticity.
Malva Sylvestris Flower Extract / Mallow Flower ExtractGood
Mallow Flower Extract is known for its soothing and moisturizing properties. It helps to calm the scalp and improve hair hydration. It is beneficial for sensitive or dry scalps.
Benefits
Soothes the scalp and enhances hair moisture.
Aqua / WaterNeutral
Water is a common solvent used in cosmetic formulations. It acts as a base for the product, allowing other ingredients to be dissolved and mixed. It does not provide direct benefits or risks.
Benefits
Essential for dissolving and distributing other ingredients in the formulation.
Coco-BetaineNeutral
Coco-Betaine is a mild surfactant derived from coconut oil. It is used to enhance the foaming properties of shampoos. It is generally considered safe and non-irritating.
Risks
May cause mild irritation in sensitive individuals.
Benefits
Contributes to a rich lather and gentle cleansing.
Sodium ChlorideNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Can cause dryness and irritation, especially in sensitive scalps.
Benefits
Helps to increase the viscosity of the shampoo.
Cocamide MipaNeutral
Cocamide Mipa is a surfactant and foam booster derived from coconut oil. It helps to stabilize the foam and improve the texture of the shampoo. It is generally considered safe for use in cosmetics.
Risks
May cause mild irritation in some individuals.
Benefits
Enhances the foaming and cleansing properties of the shampoo.
Citric AcidNeutral
Citric Acid is used to adjust the pH of cosmetic products. It helps to maintain the stability and effectiveness of the formulation. It is generally safe and non-irritating in small amounts.
Risks
Can cause irritation if used in high concentrations.
Benefits
Helps to maintain the pH balance of the shampoo.
Sodium HydroxideNeutral
Sodium Hydroxide is used to adjust the pH of cosmetic formulations. It helps to neutralize acidic components and stabilize the product. It is safe when used in small amounts for pH adjustment.
Risks
Can cause irritation if used in high concentrations.
Benefits
Ensures the product maintains a stable and effective pH level.
Hexylene GlycolNeutral
Hexylene Glycol is a solvent and viscosity agent used in cosmetics. It helps to improve the texture and spreadability of the product. It is generally considered safe for use in cosmetics.
Risks
May cause mild irritation in sensitive individuals.
Benefits
Improves the texture and application of the shampoo.
Hydroxypropyl Guar Hydroxypropyltrimonium ChlorideNeutral
This ingredient is a conditioning agent that helps to improve the texture and manageability of hair. It provides a smooth feel and reduces static. It is generally considered safe for use in hair care products.
Benefits
Improves hair texture and reduces static.
Sodium Laureth SulfateBad
Sodium Laureth Sulfate is a surfactant used for its cleansing properties. It can strip natural oils from the hair and scalp, leading to dryness. It may also be contaminated with 1,4-dioxane, a potential carcinogen.
Risks
Can cause dryness and irritation to the scalp and skin.
Benefits
Effective at removing dirt and oil from hair.
Sodium BenzoateBad
Synthetic preservative that can form benzene in the presence of vitamin C.
Risks
May cause irritation in sensitive individuals.
Benefits
Prevents spoilage and extends the shelf life of the product.
LimoneneBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Potential allergen that may cause irritation in sensitive individuals.
Benefits
Contributes a fresh, citrus scent to the product.
Potassium SorbateBad
Synthetic preservative — flagged in daily-use products.
Risks
May cause irritation in sensitive individuals.
Benefits
Prevents spoilage and extends the shelf life of the product.
Parfum / FragranceVery Bad
Synthetic fragrance is used to impart a pleasant scent to cosmetic products. It can contain a mixture of undisclosed chemicals, some of which may be allergens or irritants. It does not provide any direct benefits to hair or scalp health.
Risks
Potential allergen that may cause irritation or allergic reactions.
Benefits
Provides a pleasant scent to the product.
Get the full breakdown in the Scout appTake Scout shopping
Scan any product to see lab results, healthy alternatives, and your personalized analysis.
Download on theApp Store GET IT ONGoogle PlayAmazon pricing & content
Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.