The reasoning: Less friction from your pillowcase results in less irritation. Silk vs. satin Silk and satin pillowcases are both touted as beauty must-haves that can work wonders on hair and skin.

We tucked into the research, plus asked the experts whether slumbering on certain fabrics will make a difference in our skin or tresses. Word on the Insta is that silk or copper pillowcases are ...