You Should REALLY Wash Your Pillowcases Every Week. Here's Why.
Huff Postfranckreporter via Getty Images No matter how high the thread count or how lovely the pattern, your pillowcase can be home to some serious gunk, grunge and general debris. “Soiled pillowcases can lead to breakouts, especially if you’re prone to acne or have sensitive skin,” Johnson said. “Greasy body soils and dirt can become embedded between the fibers of your pillowcases, especially if they’re washed infrequently,” Johnson said. Peru Pima pillowcases Peru Pima “Synthetic fabrics like polyester can attract greasy soils like the oils and sebum on your face,” Johnson said. “Especially if you have skin issues, you may want to stick to natural fabrics like cotton or linen.” Peru Pima sells a 600 thread count pillowcase that’s 100% cotton, which it says is temperature regulating.