Kerastase Specifique Potentialiste Hair & Scalp Serum 90mlThe Kerastase Specifique Potentialiste Serum is a universal dfense serum for unbalanced scalps: for normal, dry, sensitive or oily scalps. Contains antioxidant properties. Kerastase Specifique Potentialiste Serum helps defend against the feeling of an uncomfortable dry scalp. The fast absorbing gel texture helps soothe and leaves the scalp feeling healthy and hydrated. With a long lasting fragrance. The scalp feels refreshed and revitalized. Helps