Shampoo with keratin that keeps hair strong and healthy. Keratin is the protein found in hair cells. If the amount of keratin decreases, hair loses strength, flexibility and shine, and becomes dry and brittle. Prevents split ends, keeping the hair softer, and shinier, protecting it from the aggressions of the sun, flat iron, hair dryers and pollution. Suitable for damaged, dull, fragile and dull hair.