What it is: A leave-in, overnight treatment serum that nourishes and detangles hair while you sleep. Hair Type: Straight, Wavy, Curly, and Coily Hair Texture: Fine, Medium, and Thick Key Benefits: - Hydrates - Adds Shine - Protects Against Damage, Split Ends, and Breakage Formulation: Serum Highlighted Ingredients: - Iris Root Extract: Adds hydration and coats hair fibers for up to eight hours while reversing loss of nutrients. - Five-Vitamin Blend: Seals nutrients and anchors roots, leaving the hair with a satin finish. What Else You Need to Know: This overnight hair-treatment serum is the perfect addition to your nighttime routine. Nutritive 8H Magic Night Serum is absorbed for up to eight hours, moisturizing the hair with a lightweight feel by morning. This unique leave-in treatment makes hair soft, protected, and perfect for styling.