Purify your hair and scalp with the kerastase specifique bain divalent shampoo a daily balancing shampoo for hair with oily roots and sensitised ends providing the targeted care oily hair craves the balancing shampoo will deep cleanse detangle and nourish the hair from root to ends salicylic acid works within the restorative formula to ensure hair is completely cleansed while the nourishing properties of vitamin b6 will keep the sensitised areas of the hair healthy and shiny the specifi