Satin vs Silk
What’s the difference between satin and silk?
1. Silk is a type of natural fabric made from silkworm cocoons, while satin is a weave, which means that there are in fact satin silk, although it's safe to say that 99% of the satin products sold on the market at low prices are not made with silk, but with polyester instead.
2. Usually, Satin pillowcases which haven’t mentioned silk are pillowcases made from some non-silk fabrics. They are much cheaper than silk pillowcases.
3. 100% mulberry silk pillowcases can be made of satin weave or charmeuse weave, silk fabric will bring people huge health benefits, while synthetic satin is rougher.