Reduces frizz and prevents tangles and breakage. Sleep&Wellness:Ultra-soft touch,anti-mite and allergy-friendly. Cooling&breathable:Naturally breathable, moisture-wicking, and temperature-regulating. Envelope Closure. This luxurious silk pillowcase is not just a pillowcase; it's a beauty essential. It prevents hair breakage and split ends while maintaining your hair's moisture, making sure you wake up with hair that feels as silky as the pillow it rests on. Our pure silk pillowcase, made from 100% pure silk, designed to keep your hair smooth, frizz-free, and well-hydrated.