hen it comes to getting a smooth, frizz-controlled style, you should never settle for limp locks or stiff, poker straight hair. Our TRESemme keratin smooth collection, with keratin and marula oil from africa, fights frizz, detangles knots, boosts shine, adds softness and tames flyaways. That’s 5 smoothing benefits in 1 system for hair that’s silky smooth but still full of natural movement. Once or twice a week, swap out your regular conditioner for TRESemme keratin smooth deep smoothing mask. This intensive moisturizing hair mask, with keratin and marula oil, seals strands to fight humidity and control frizz, leaving locks gorgeously smooth and shiny without weighing them down.