If you’re looking for a luxurious sleeping experience that benefits your skin and hair, silk is the best option for you. Satin may appear similar, but silk is a natural fiber, while satin is synthetic. Silk is also hypoallergenic, which means it repels allergens like dust mites. Studies show that it has antimicrobial and anti-inflammatory properties. It has been used in the treatment of skin conditions such as atopic dermatitis.