Kerastase Resistance Bain Therapiste Shampoo by Kerastase for Unisex 15 oz Shampoo Size:15 oz one of the strongest fibers aligned stainless steel hand one of the strongest fibers in nature Penetrates down to the cortex to refill it with amino acids Instantly recovers hair fiber while preventing future damage Makes hair more resilience against breakage Hair feels smooth A youth revitalizing & purifying pre shampoo to deeply cleanse scalp & roots Thick luxurious black gel texture offers a sensorial experience Formulated with Charcoal to detoxify increasing strength and protecting from further damage It is specially formulated to repair hair fibres and the internal architecture for healthy looking