Tresemme Keratin Smooth hair shampoo formulated with Keratin and Marula Oil. It helps to control frizzy hair without leaving hair looking dull. It helps you to achieve silky smooth hair that’s still full of natural movement System of Keratin Smooth Shampoo and Conditioner. Frizz control shampoo, detangle knots, boost shine, add softness, and tames flyaway. The professional-grade formula is enriched with keratin proteins to help strengthen and smooth, while luxurious marula oil adds softness and shine. The result is frizz-free hair that feels silky and smooth and full of natural movement.