Kerastase Specific Masque Hydra-Apaisant soothes and takes care of the scalp. It's Ideal for all hair types and caring sensitized scalps, and it leaves the scalp refreshed and hair supple. The Specifique range addresses scalp-related issues such as scalp sensitivity, itchiness, dandruff, hair loss and oily roots. The collection is designed to treat these concerns to reveal a healthy scalp.