Silk pillowcase made of 100% mulberry silk. It is particularly soft and smooth while silk has many benefits for skin and hair. It retains moisture so that the face remains soft and hydrated during night. It also helps to reduce facial wrinkles and lines. Silk is hypoallergenic and prevents the accumulation of dust mites, fungus or mold. Which makes it ideal for sensitive and irritated skin. It also regulates the temperature so when the temperature rises it keeps the skin cool. Due to its soft surface and structure that is similar to your hair it prevents the creation of tangles and frizz while keep them shiny.