5 benefits. 1 system. Anti-frizz. Detangles. Shine. Softness. Tames fly-aways. Used by professionals. New look. Smooth doesn't have to be straight. You want hair that is shiny, silky and smooth. You want hair that moves. Our Keratin Smooth system, with marula oil, gently cleanses and nourishes hair. Want a boost of smooth? Follow with our Keratin Smooth Shine Serum to create a smooth, glossy finish. Why Pro Collection? Get great hair foundation, whatever your style, with our Pro Technology system. For more salon secrets from our stylists, visit tresemme.com.