It's time to put dry hair to bed with our ultra-hydrating, silicone-free overnight hair treatment mask. Infused with hyaluronic acid, coconut water, blue/green algae, and sea buckthorn, this mask boosts moisture for 72 hours* and results in hair that is 3× more hydrated by morning*. Benefits last for four washes* and—despite being no-rinse—it won’t stain your pillow.