Cotton pillowcases grow and collect bacteria easier and faster than polyester ones do. So if you are using cotton pillowcases and haven’t washed them recently, that’s probably why you’re getting acne. If you switch to polyester or silk or synthetic fabrics, you’ll see your acne clear up quickly
All-Seeing-Owl t1_j2fhrhl wrote
Reply to ELI5 why Vaseline doesn't give me face acne but simply resting my head on my pillow does? by Diligent_Jury_9956
Cotton pillowcases grow and collect bacteria easier and faster than polyester ones do. So if you are using cotton pillowcases and haven’t washed them recently, that’s probably why you’re getting acne. If you switch to polyester or silk or synthetic fabrics, you’ll see your acne clear up quickly
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