Symbiose Moisturising Anti-Dandruff Cellular Shampoo by Kérastase is a silicone & sulphate-free moisturising anti-dandruff cellular shampoo for dry sensitive scalp prone to dandruff formulated with Salicylic Acid for a breathable scalp & piroctone olamine that acts on all the causes of dandruff helping to reduce yeast proliferation & slow down cellular renewal speed. The moisturising formula instantly exfoliates the scalp & removes visible dandruff & flakes without stripping the fiber.