Fed up of fighting the frizz? Professionally formulated to tame frizzy hair and fly-aways, tresemmé keratin smooth shampoo delivers up to 72 hours of frizz control. Whether you're lusting after smooth curls, soft waves, or straight, shiny strands, tresemmé keratin smooth shampoo promises up to 72 hours of frizz control.* Part of the tresemmé keratin smooth collection, this keratin shampoo packs five smoothing benefits into one system to fight frizz, detangle knots, boost shine, add softness and tame fly-aways. 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.