Dermatologist Shereene Idriss breaks down mouth taping for sleep. It may help with snoring and nasal breathing, but claims about jawline strengthening or preventing double chins lack long-term evidence. The practice carries real risks worth considering.
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I am so addicted to this, not only because I feel so much better. Mouth breathing can it really, truly help your jawline? Before we get into it, there have been some suggestion that taping your mouth at night allows you to breathe better through your nose and therefore decreases any sort of incidence of bad breath. Chapped lips makes your oral hygiene better and allows you to sleep without snoring as much. So that's the positive. The big question mark, though, is there have been no studies to really prove its benefits in terms of cosmetics in the long run. The theory is if you shut your mouth tight with tape overnight, you're going to strengthen your muscles in your jawline to become stronger and not weaker, and therefore you're not going to have the appearance of a double chin as you get older. The reality is, I don't think that's ever been proven, and there are some risks to mouth taking.