Kérastase Anti-frizz antioxidant thermic serum
Yes. Yes, Kérastase Anti-frizz antioxidant thermic serum is sulfate-free.
No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
Why
Sulfates are foaming cleansers such as Sodium Lauryl Sulfate and Sodium Laureth Sulfate. Mineral salts like Magnesium Sulfate are not cleansers and do not count.
Yes, Kérastase Anti-frizz antioxidant thermic serum is sulfate-free. No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Water, Amodimethicone, PEG-40 Hydrogenated Castor Oil, Trideceth-5, Polyquaternium-37, Phenoxyethanol, Propylene Glycol Dicaprylate/Dicaprate, Glycerin, Tocopherol, Arginine, Phenyl Trimethicone, Trideceth-10, Lactic Acid, PPG-1 Trideceth-6, Chlorhexidine Digluconate, Sorbitan Oleate, Acetic Acid, Quaternium-87, Sodium Hyaluronate, Centella Asiatica Extract, Tartaric Acid, Linalool, Propylene Glycol, Limonene Geraniol, Hydroxycitronellal, Parfum/Fragrance.
Highlighted names triggered a “No” on one of the six checks. Underlined names open the ingredient dictionary. Source list as recorded on Open Beauty Facts.
Data: Open Beauty Facts, community database, ODbL license. Last checked 23 Sept 2026. Barcode 3474637059057.