Transform your hair with TRESemmé Keratin Smooth Conditioner. Infused with Keratin and Marula oil, this conditioner provides 72 hours of frizz control and 5 smoothing benefits in 1 system. Say goodbye to knots and flyaways and hello to smooth, defined, and controlled hair with a natural movement. Use with TRESemmé Keratin Smooth Shampoo for the ultimate smooth and shiny finish.