Kerastase Specifique Dermo-Calm Bain Vital (250ml) An innovative shampoo designed to soothe sensitive scalps Specifique Dermo-Calm Bain Vital by Kerastase provides your hair with a gentle yet effective cleanse. Working to calm irritation & prevent itching this calming shampoo is perfect for hair that's in need of some TLC. The innovative ingredients work quickly to soothe & replenish leaving you feeling refreshed & rejuvenated.