RENU HAIR MASK This deep conditioning treatment provides critical hydration by penetrating the hair shaft and tripling the strength of damaged hair. It prevents split ends and breakage, making hair smooth, shiny, and manageable for up to seven days. BENEFITS Penetrates the hair shaft to hydrate and triple the strength of damaged hair. Features CS7 that seals, smoothes, and strengthens each cuticle. Repairs the outer shaft of the hair to restore youthful softness and smoothness. Improves the look and feel of damaged hair for visibly younger, healthier looking hair when used as part of a system. INGREDIENTS Key Ingredients Creatine-improves tensile strength of the cortex. CS7-smoothes cuticles to provide shine that lasts through repeated shampooing. USAGE Use weekly in place of Weightless Conditioner or Rich Conditioner. After shampooing, work evenly into wet hair with fingertips, paying special attention to ends or damaged areas. Leave on hair for 5 to 10 minutes, depending on conditioning needs. Rinse thoroughly. For best results, use after Clarifying Shampoo.