Shop our Luxury Silk Pillowcase Collection. Our silk pillowcases are handmade and crafted from high quality, authentic 22-Momme, 100% Pure Mulberry Silk. We provide a completely natural and hypoallergenic silk pillowcases that are designed for doing wonders for your hair, skin and health while you sleep. UNCU London is also OEKO-Tex approved, which is an independent testing and certification body that focuses on the quality and safety of the textiles being used. Pure silk pillowcases are better than any night cream, skin or hair care. Sleeping on a silk pillowcase will cut down on static, frizz and make your blow-dry last longer in addition to fighting wrinkles and fine lines! So go ahead and join in the celebrity and beauty stylists secret and sleep on a silk pillowcase.