Strengthen hair from the inside out with Kérastase Resistance Bain Extentioniste, a fortifying shampoo that uses powerful amino acids and ceramides to improve elasticity from root to tip. Targeting weakened and brittle strands, the silky formula helps to rebuild the hair’s internal structure to make it more resistant to breakage, whilst a blend of lipids creates a smooth and shiny surface. The shampoo gently lifts away the build-up of dirt, impurities and excess oil from the scalp to leave locks fresh, clean and strong. Key Benefits: - Increases elasticity & strength from root to tip - Rebuilds natural strength of the hair fiber - Purifies and stimulates a healthy scalp environment - Provides shine to lengths and ends - Prepares the hair for deep conditioning - Gently perfumes the hair for a sensorial cleanse Key Ingredients: Creatine R is an exclusive complex composed by Creatine+Ceramide: - Amino-acid implied on fiber’s internal structure reinforcement + Lipids responsible for surfac