L'oreal Eversleek Sulfate Free Reparative Smoothing Shampoo 8.5 FL OZ. This smoothing system, silicone free, provides 48 hours of frizz control with natural botanic and oils. Unlike some silicones which can coat hair, these natural oils penetrate the hair while natural botanicals invigorate the senses. Gently cleanses while weightlessly smoothing damaged, distressed hair, it nourishes and smoothes even the most sensitive brands, leaving hair manageable and shiny. Safe for chemically straightened hair.