This mild shampoo is the first step in the C-straight smoothing system, representing an unwavering commitment to sleek, manageable hair. Antioxidants and citrus extracts help preserve colour and promote healthy-looking locks. Features + Benefits: Amino acids derived from apples provide a gentle, sulphate free cleanse for colour-treated hair. A natural smoothing agent, glycerin softens hair from root to end. C-system antioxidants support longer lasting colour. Boasts a modern, paraben free preservative system.