Kerastase Elixir Ultime Refillable Hydrating Hair Oil for Shine, Size: Standard, None
Analysis updated September 2026 · How Scout scores
At a glance
Summary
This hair oil contains a blend of beneficial natural oils such as argan, marula, and camellia, which provide nourishing and moisturizing properties. However, the presence of synthetic fragrance components like linalool, alpha-isomethyl ionone, and coumarin, which are potential allergens, lowers its safety profile. The inclusion of generic fragrance also contributes to potential irritation, impacting the overall ingredient safety score.
Key ingredients 21
Caprylic/Capric TriglycerideVery Good
Caprylic/Capric Triglyceride is derived from coconut oil and glycerin. It is used for its emollient properties and ability to enhance the absorption of other ingredients. It is considered safe and beneficial in cosmetics.
Risks
There are minimal risks, primarily related to potential allergic reactions in individuals with coconut allergies.
Benefits
It provides excellent skin conditioning and helps to improve the spreadability of the product.
Camellia Oleifera Seed OilVery Good
Camellia Oleifera Seed Oil is a natural oil rich in antioxidants and fatty acids. It is used for its moisturizing and nourishing properties. It is considered very beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It deeply nourishes and conditions the hair, enhancing shine and softness.
Argania Spinosa Kernel OilVery Good
Argan Oil is a highly valued natural oil known for its nourishing and moisturizing properties. It is rich in essential fatty acids and antioxidants. It is considered very beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to hydrate and condition the hair, reducing frizz and enhancing shine.
Sclerocarya Birrea Seed OilVery Good
Marula Oil is a natural oil rich in antioxidants and fatty acids. It is used for its moisturizing and nourishing properties. It is considered very beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to hydrate and protect the hair, enhancing its softness and shine.
Pentaclethra Macroloba Seed OilVery Good
Pracaxi Oil is a natural oil known for its conditioning and moisturizing properties. It is rich in fatty acids and is considered beneficial in hair care formulations.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to improve hair manageability and enhances shine.
Camelina Sativa Seed OilVery Good
Camelina Oil is a natural oil rich in omega fatty acids and antioxidants. It is used for its nourishing and moisturizing properties. It is considered very beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to condition and protect the hair, enhancing its softness and shine.
TocopherolVery Good
Tocopherol, or Vitamin E, is a powerful antioxidant used for its moisturizing and protective properties. It helps to protect the hair from environmental damage. It is considered very beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to nourish and protect the hair, enhancing its health and appearance.
Zea Mays Germ Oil / Corn Germ OilGood
Corn Germ Oil is rich in essential fatty acids and vitamin E. It is used for its emollient and nourishing properties. It is considered beneficial in hair care formulations.
Risks
Potential risks include allergic reactions in individuals sensitive to corn.
Benefits
It helps to moisturize and condition the hair, improving its texture and appearance.
Camellia Japonica Flower ExtractGood
Camellia Japonica Flower Extract is rich in antioxidants and used for its soothing and moisturizing properties. It is considered beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to condition and protect the hair, enhancing its softness and shine.
Phyllanthus Emblica Fruit ExtractGood
Phyllanthus Emblica Fruit Extract, also known as Amla, is rich in vitamin C and antioxidants. It is used for its nourishing and conditioning properties. It is considered beneficial in hair care products.
Risks
There are minimal risks, primarily related to potential allergic reactions.
Benefits
It helps to strengthen and condition the hair, enhancing its shine and health.
IsododecaneNeutral
Isododecane is a hydrocarbon often used as a solvent and emollient in cosmetics. It provides a lightweight feel and helps in the even distribution of the product. It is generally considered safe for use in cosmetics.
Risks
There are minimal risks associated with isododecane, primarily related to potential skin irritation in sensitive individuals.
Benefits
It enhances the spreadability of the product and provides a silky texture without leaving a greasy residue.
C11-13 IsoalkaneNeutral
C11-13 Isoalkane is a synthetic hydrocarbon used as an emollient and solvent. It provides a lightweight, non-greasy feel to formulations. It is generally regarded as safe in cosmetics.
Risks
Potential risks include skin irritation for very sensitive skin types.
Benefits
It enhances the texture of the product, making it easier to apply and spread.
DimethiconolNeutral
Dimethiconol is a silicone-based polymer similar to dimethicone, used for its conditioning properties. It forms a protective barrier on the hair or skin. It is considered safe for use in cosmetics.
Risks
Potential risks include build-up on hair with excessive use.
Benefits
It provides a smooth, silky feel and helps to protect the hair from environmental damage.
DimethiconeBad
Occlusive silicone film-former — flagged under clean-beauty doctrine.
Risks
Some individuals may experience build-up or sensitivity with prolonged use.
Benefits
It helps to smooth and protect the hair, reducing frizz and adding shine.
AmodimethiconeBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause build-up on hair with frequent use.
Benefits
It helps to improve hair manageability and reduces frizz.
LinaloolBad
Linalool is a naturally occurring terpene alcohol found in many flowers and spice plants. It is used for its fragrance properties. However, it can be a potential allergen and irritant.
Risks
It may cause allergic reactions or skin irritation in sensitive individuals.
Benefits
It provides a pleasant fragrance to cosmetic products.
Alpha-Isomethyl IononeBad
Alpha-Isomethyl Ionone is a synthetic fragrance ingredient. It is used to impart a floral scent to cosmetic products. However, it is a known allergen and can cause skin irritation.
Risks
It may cause allergic reactions or skin irritation in sensitive individuals.
Benefits
It adds a pleasant floral fragrance to products.
LimoneneBad
Limonene is a naturally occurring compound found in the peels of citrus fruits. It is used for its fragrance properties. However, it can oxidize and become a skin irritant or allergen.
Risks
It may cause allergic reactions or skin irritation, especially when oxidized.
Benefits
It provides a fresh citrus scent to cosmetic products.
CoumarinBad
Coumarin is a naturally occurring compound with a sweet scent, used in fragrances. It is a known allergen and can cause skin irritation.
Risks
It may cause allergic reactions or skin irritation in sensitive individuals.
Benefits
It adds a sweet, pleasant fragrance to products.
Benzyl AlcoholBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
High concentrations can cause skin irritation or allergic reactions.
Benefits
It helps to preserve the product and prevent microbial growth.
Parfum / FragranceVery Bad
Fragrance is a generic term for a mixture of scent chemicals and ingredients. It is used to impart a pleasant smell to products. However, it is a common allergen and can cause skin irritation.
Risks
It may cause allergic reactions or skin irritation in sensitive individuals.
Benefits
It provides a pleasant scent to cosmetic products.
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