TRESemmé Keratin Smooth Shampoo with Hydrolysed Keratin - 685ml. This is a great solution to keep your hair smooth and shiny like a salon! Key Features: 72-hour frizz control: Protects hair from becoming unruly or frizzy for a long time. Smoothness and shine: Makes hair deeply smooth and shiny. Hydrolysed Keratin: Contains a formula enriched with Hydrolysed Keratin that nourishes your hair. Salon professional quality: Provides professional-quality hair care. Pro-style technology: Developed with advanced technology to help improve hair quality.