Kérastase Specifique Hair and Scalp SerumThe Benefits: Universal dfense serum for unbalanced scalps: for normal, dry, sensitive or oily scalps. A universal serum with antioxidant properties. 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. Inspired by Microbiome Science. +91% of people felt a soothing effect**.