Specifique luxury hair care collection is a powerful range designed to address a variety of scalp imbalances. Kerastase Specifique hair care products consist of arginine and helps circulate the scalp. Scalp care and hair care products in this collection such as Bain Divalent, Bain Vital Dermo Calm, Masque Rehydratant, and Argile cleansing clay help address scalp sensitivity, itchy scalp, oily scalp and irritated scalp for a balanced and healthier scalp condition. The best-selling intensive scalp treatment works to increase hair flexibility, and promote volume for thinning hair. Kerastase Specifique aims to provide the best of professional luxury hair care for all problem scalps and thinning hair.