Cosmo nourishing shampoo contains hydrolyzed keratin, which strengthens the hair while also making it smoother and silkier with each wash. It functions as an antioxidant, making your hair healthier and promoting hair growth. It makes the hair silkier by fortifying the cuticles that form each hair shaft. Keratin is the structural building block of hair so it promotes the overall health of the hair and repairs damage running along the cuticle. It mends the rough patches that cause frizz, and tangles and removes the appearance of dullness. COSMO shampoo boosts shine, repairs damage, and keeps frizz at bay. The formulation team up to nourish your hair from the inside out and deliver maximum shine leaving an aromatic effect. This sulfate-free formula helps restore elasticity, tame frizzle, and untangle especially disorderly and stubborn strands.