Symbiose Fondant Apaisant Essentiel by Kérastase is a sulfate free and silicon free detangling soothing cellular conditioner for sensitive scalp, prone to dandruff. Contains salicylic acid for breathable scalp and bifidus for a healthy scalp. A hydrating formula to soothe discomforts and preserve the scalp barrier. Intensely caring yet lightweight for the scalp and lengths. Reduce scalp sensitivity after the 1st application and overtime boost hair vitality(1) The Fondant Apaisant Essentiel has a very sensorial and luxury white balmy texture combined with a luxurious fine fragrance. (1)Clinical test results after 4 weeks of use