Kerastase Resistance Serum Extentioniste 50mlDescription Highly concentrated serum with key active ingredients that stimulates the growth of strong healthy hair follicles Leave in treatment, non greasy formula Soothes itchy scalp, promotes healthy scalp environment and protect scalp from environmental aggressors Boost growth of healthy and stronger hair Main Ingredients Creatine R reinforces internal structure of hair fiber Ceramides enhances shine, promotes elasticity and moisture retention and