This 5 to 10 minute mask will smooth the hair cuticle and layer it with a strong protective coating that resists heat, humidity, styling, split ends, and sun damage. Hair is left smooth, detangled, shiny, stronger and full of life.Reverse the effects of hair that’s been depleted of keratin with a deep conditioning treatment that penetrates deep within the hair shaft to restore structure, seal the cuticle, and reveal shine.