Which hair type is it good for? ✔ Straight ✔ Wavy ✔ Curly ✔ Coiled ✔ Tightly Coiled What it is: A line of hair masks with targeted benefits to hydrate and repair hair while you sleep. Key benefits: - Repairing damaged hair - Color protection - Fights frizz If you want to know more… Each of these hair sleeping masks are designed to be applied to dry hair, acting overnight for better results. Each is targeted to a specific hair concern without weighing hair down. Just apply to hair, cover with the included cap, and wake up to hair that is softer, more flexible, and visibly more beautiful. Coconut Mask: Nourishes and repairs hair fibers. Shea Mask: Fortifies and helps to prevent breaking and split ends. Rose Mask: Smooths and prevents frizzing. Acai Mask: Protects color and boosts radiance. What else you need to know: This product is not tested on animals. Research results: Coconut Hair Sleeping Mask: In a satisfaction test on 96 volunteers after 5 days of use: - 92% find their hair to be nourished - 70% find their hair to be repaired Shea Hair Sleeping Mask: In a satisfaction test on 22 volunteers after 21 days of use: - 96% of women find their hair to be fortified - 95% of women find their hair to be less fragile Rose Hair Sleeping Mask: In a satisfaction test on 22 volunteers after 21 days of use: - 95% of women find their hair to be smoothed - 95% of women find their hair seems conditioned