Sulfate, gluten, paraben and salt free Smoothing Shampoo advanced formula is infused with coconut oil that helps fight frizz for smooth results that last. By preventing cuticle lift, friction and humidity attacking the hair this shampoo transforms frizzy, wavy and curly textures into sleek shiny hair for extended periods of time. Gently cleanses hair while adding moisture by penetrating the hair shaft. Safe to use on chemically straightened hair or extensions.