Kerastase Blond Absolu Overnight Recovery Cicanuit Hair Serum 3.04 oz
Analysis updated September 2026 · How Scout scores
At a glance
Summary
This hair serum contains beneficial moisturizing ingredients like sodium hyaluronate and glycerin, which help retain moisture and improve skin texture. However, it also includes triethanolamine, which can be irritating and has potential contamination concerns, and undisclosed fragrance, which is a common allergen. The presence of these concerning ingredients alongside beneficial ones results in a mixed safety profile.
Key ingredients 24
Sodium HyaluronateGood
Sodium Hyaluronate is a salt form of hyaluronic acid, known for its excellent moisturizing properties. It helps retain moisture in the skin, making it plump and hydrated. It is highly regarded in skincare for its ability to improve skin texture and appearance.
Benefits
Deeply hydrates and plumps the skin, improving texture.
GlycerinGood
Glycerin is a humectant that attracts moisture to the skin, helping to keep it hydrated. It is widely used in cosmetics for its moisturizing properties. It is considered safe and beneficial for all skin types.
Benefits
Deeply hydrates and maintains skin moisture balance.
Aqua / Water / EauNeutral
Water is a common solvent used in cosmetic formulations. It helps dissolve other ingredients and provides a base for the product. It does not have any direct benefits or risks.
Benefits
Provides a medium for other ingredients to be delivered effectively.
Isopropyl MyristateNeutral
Isopropyl Myristate is used as an emollient and thickening agent in cosmetics. It helps improve the texture and spreadability of the product. It is generally considered safe for use in cosmetics.
Risks
May cause skin irritation in sensitive individuals.
Benefits
Improves product texture and enhances skin feel.
CarbomerNeutral
Carbomer is a thickening agent used to stabilize and control the viscosity of cosmetic products. It helps create a smooth and consistent texture. It is generally considered safe for use in cosmetics.
Benefits
Provides a stable and smooth product texture.
Polyquaternium-4Neutral
Polyquaternium-4 is a conditioning agent used in hair care products to improve texture and manageability. It forms a film on the hair, providing smoothness and reducing static. It is considered safe for use in cosmetics.
Risks
May cause build-up on hair with frequent use.
Benefits
Improves hair texture and reduces static.
Potato Starch ModifiedNeutral
Modified potato starch is used as a thickening and stabilizing agent in cosmetics. It helps improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.
Benefits
Enhances product texture and stability.
Hydroxypropyl GuarNeutral
Hydroxypropyl Guar is a derivative of guar gum used as a thickening and conditioning agent. It helps improve the texture and feel of hair care products. It is considered safe for use in cosmetics.
Benefits
Improves product texture and hair feel.
Behentrimonium ChlorideNeutral
Behentrimonium Chloride is a conditioning agent used in hair care products to improve manageability and reduce static. It is effective in detangling and smoothing hair. It is generally considered safe for use in cosmetics.
Risks
May cause irritation in sensitive individuals.
Benefits
Improves hair manageability and reduces static.
Trideceth-6Neutral
Trideceth-6 is a surfactant and emulsifier used to improve the texture and stability of cosmetic products. It helps blend ingredients that typically do not mix well. It is considered safe for use in cosmetics.
Benefits
Enhances product texture and stability.
Isopropyl AlcoholNeutral
Isopropyl Alcohol is used as a solvent and antiseptic in cosmetics. It helps dissolve other ingredients and provides a quick-drying finish. It can be drying to the skin with prolonged use.
Risks
Can cause skin dryness and irritation with frequent use.
Benefits
Acts as a solvent and provides a quick-drying finish.
CitronellolNeutral
Citronellol is a fragrance component derived from essential oils. It is used to impart a pleasant scent to cosmetic products. It can be an allergen for some individuals.
Risks
Potential allergen and skin irritant.
Benefits
Provides a pleasant scent to products.
Leontopodium Alpinum Flower/Leaf ExtractNeutral
Leontopodium Alpinum Extract, also known as Edelweiss, is used for its antioxidant properties. It helps protect the skin from environmental stressors. It is considered safe for use in cosmetics.
Benefits
Provides antioxidant protection to the skin.
Citric AcidNeutral
Citric Acid is used to adjust the pH of cosmetic products. It helps maintain product stability and effectiveness. It is generally considered safe for use in cosmetics.
Risks
Can cause skin irritation in high concentrations.
Benefits
Helps maintain product pH and stability.
DimethiconeBad
Occlusive silicone film-former — flagged under clean-beauty doctrine.
Risks
Can cause build-up on hair or skin with prolonged use.
Benefits
Provides a smooth, silky feel and helps retain moisture.
TriethanolamineBad
Triethanolamine is used to adjust pH and stabilize emulsions in cosmetics. It can be irritating to the skin and eyes. There are concerns about nitrosamine contamination, which are potential carcinogens.
Risks
Potential skin irritant and risk of nitrosamine contamination.
Benefits
Helps maintain product stability and pH balance.
AmodimethiconeBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause build-up on hair with frequent use.
Benefits
Enhances hair shine and manageability.
PhenoxyethanolBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Potential skin irritant, especially in high concentrations.
Benefits
Effective preservative that extends product shelf life.
LimoneneBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Potential allergen and skin irritant.
Benefits
Provides a fresh, citrus scent to products.
Cetrimonium ChlorideBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause irritation in sensitive individuals.
Benefits
Improves hair texture and reduces static.
LinaloolBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Potential allergen and skin irritant.
Benefits
Provides a pleasant floral scent to products.
Sodium BenzoateBad
Synthetic preservative that can form benzene in the presence of vitamin C.
Risks
Potential skin irritant in sensitive individuals.
Benefits
Prevents microbial growth and extends product shelf life.
Potassium SorbateBad
Synthetic preservative — flagged in daily-use products.
Risks
Potential skin irritant in sensitive individuals.
Benefits
Prevents mold and yeast growth, extending product shelf life.
Parfum / FragranceVery Bad
Fragrance is used to impart a pleasant scent to cosmetic products. It is a common allergen and can cause skin irritation. The exact composition is often undisclosed, leading to concerns about potential harmful effects.
Risks
Potential allergen and skin irritant.
Benefits
Provides a pleasant scent to products.
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.