So when I kept hearing that the best silk pillowcase could single-handedly fix my hair, skin, and my credit score, I rolled my eyes — but I also ordered three. If these glossy little slipcovers ...

“Using a silk pillowcase reduces tugging and pulling on the skin that leads to fine lines and wrinkles,” says Dr. Deanne Mraz, a board-certified dermatologist and the president/co-founder of ...