Kerrastase Specifique Masque Hydra-Apaisant is an in-depth scalp treatment that soothes and hydrates the scalp. Ideal for all hair types and treating sensitized scalps, it leaves the scalp refreshed and hair supple. Free from silicones.The Kerrastase Spercifique range was created to address scalp-related issues such as scalp sensitivity, itchiness, dandruff, hair loss and oily roots. The products of this collection were designed to treat these concerns to reveal a well-balanced scalp.