Kerastase Dermo-Calm Bain Vital Shampoo is the result from 30 years of study and research. An instantly soothing hair care range to help fight against scalp discomforts. The ideal range for a distressed or sensitive scalp. Kerastase Bain Vital Dermo-Calm is a hypoallergenic cleansing soothing shampoo for normal/combination hair. Cleanses, soothes and nourishes your sensitive scalp leaving your hair feeling luxuriously soft and supple.