Reliable Baggying tips: The best alternative might just be a silk pillowcase. As Natalie Mochins explains, the ultra-smooth texture of silk helps keep frizz at bay. Additionally, your hair won’t get caught and break on silk as it can on cotton threads, making for a peaceful sleeping experience and a beautiful, healthier head of hair the next morning. Dr. Schultz also tells Good Housekeeping that silk helps our hair retain its moisture, unlike cotton pillowcases (which can strip moisture away). If you’ve been waking up with dry hair that’s prone to splitting, examining your pillowcase might just be the best …