What It Is It's time to put dry hair to bed. Infused with hyaluronic acid, coconut water, blue algae, and sea buckthorn, this no-rinse, silicone-free overnight hair treatment is clinically proven to intensely moisturize strands. What It Does Clinically proven results: Hair is 3x more hydrated + manageable by morning* Boosts moisture for 72 hours* Benefits last up to 4 washes* Reduces breakage by 26%* *Clinically proven, when used as directed