Biolage SmoothProof Smoothing Shampoo for Frizzy Hair makes coarse hair more manageable and smooth. Designed to add a smooth touch to dry, coarse hair, our SmoothProof Smoothing Shampoo cleanses, helps increase manageability and smooths hair.Benefits:- Suitable for colour-treated hair.- Cleanses and increases manageability and smoothness.- Features camellia extract.