Uriage DS Hair Keratolytic Shampoo helps eliminate oily and dry dandruff while soothing itching and purifying the scalp, its patented TLR2-Regul complex combined with Piroctone Olamine and Zinc Lactate helps limit dandruff-causing microorganisms and remove flakes, while organic Edelweiss and Uriage Thermal Water soothe and protect sensitive, irritated scalps, leaving hair softer, more supple and shinier.