Hypoallergenic pillowcases ionised by silver are made of 100% gentlest silk. Using ultrasound ionisation we integrated into silk ions of a 99.99% pure silver so that our pillowcase would not only help prevent the formation of wrinkles but also prevent the onset of pimples or infection and clear our skin while sleeping. Sleeping on a silk pillowcase prevents the hair from tangling during the night. Silk and silver possess antiallergic and antifungal properties, so sleeping on such pillowcases is especially recommended for sensitive skin. Silk pillowcase for your luxurious sleep!