Swapping your pillowcase is a little-known secret to optimizing your beauty sleep. While you could spend a fortune on beauty products to refresh your regimens, silk pillowcases can do wonders for ...

Best silk: Celestial Silk 25 Momme Pillowcase ... smooth and soft for something so budget-friendly, these pillowcases from Target's Threshold brand are available as part of a set or separately.

For curly-haired people like me, polyester satin pillowcases have long been a go-to for cutting down on frizz, preserving hairstyles, and avoiding split ends. Sleeping on silk is the same idea ...