The Satin Pillow Case is designed to protect hair while you sleep. Its smooth surface reduces friction against the pillow, helping minimize frizz, breakage and moisture loss. Wake up to smoother, softer and shinier hair. Helps reduce frizz and breakage Maintains natural hair moisture Promotes smoother, shinier hair HOW TO USE Place the satin pillow case over your pillow and use nightly to protect your hair while you sleep. Suitable for all hair types.