Wearing a mask can irritate your skin. Experts explain how to avoid and treat outbreaks
Call it a sign of the times: the Korean skincare brands Dr Jart+ and Peach & Lily offer collections of maskne essentials on their websites. The patch purveyor Hero Cosmetics recently posted an entry about maskne on its blog. But don't dismiss maskne acne and irritation from wearing a mask as just another way to market skincare products.
Oh, it's a real thing, says Dr Mona Gohara, an associate clinical professor of dermatology at Yale School of Medicine. She herself has developed maskne from her three layers of masks: a KN95 (similar to an N95) topped with a surgical mask to keep it clean, plus a face shield for procedures. Oh my God, you can just feel things forming with the oil and sweat swishing around, Gohara says. Maskne the most common kind is acne mechanica, aka the type of acne an American football player may get where the helmet rubs is also enough of a thing that the Covid-19 task force of the American Academy of Dermatology felt compelled to release advice on the subject.
How to avoid maskne
1. Consider the type of mask you wear Only you can decide how you want to balance the weight of the mask material with the level of protection it will give you, but dermatologists suggest 100 per cent cotton because it allows skin to breathe a bit. As the temperature rises and you sweat more, you'll need to keep the mask clean.
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You need to treat it like underwear and wash it frequently, says Dr Candrice Heath, an assistant professor of dermatology at Temple University, in Philadelphia. You don't want all of that oil and sweat and dirt to sit there and then you reapply it to your face constantly.
2. Streamline your skincare routine Many of us use too many beauty products anyway, so consider mask wearing a good excuse to adopt the most basic skincare routine: a gentle nonsoap cleanser and a mild, fragrance-free moisturiser. Fewer ingredients is better than more, says Dr S Tyler Hollmig, the director of dermatologic surgery at the Dell Medical School at the University of Texas, who likes drugstore brands such as Eucerin and CeraVe. The moisturiser, besides its usual task, can protect skin from mask friction, like a runner's chafing cream.
Another reason for using fewer products: the mask will intensify product delivery to your skin. (You've seen this side effect of occlusion in action if you've ever, say, treated dry, cracked feet by applying Vaseline and wearing socks to bed.) But in the case of products with acids or retinols, which can be irritating, intensifying delivery is not likely to be a good thing.
Dr Carrie Kovarik, an associate professor of dermatology at the University of Pennsylvania and a member of the AAD's Covid-19 task force, suggests using products with actives only at night. If you've never used a retinol dermatologists charmingly call this naive skin Kovarik says that now is not the time to try one. If you're a seasoned user, you may need to reduce your usage.
How to treat maskne if you get it
If you do end up with maskne, keep in mind that acne treatments can be irritating and you still need to contend with the continued irritation of the mask. You can just go gangbusters on regular acne, Gohara says. With maskne you have to be really careful. Gohara recommends using an over-the-counter benzoyl-peroxide treatment only on the spots, and starting with a 2.5 or 5 per cent concentration, not 10 per cent. If you use retinol, apply that product one night and the spot treatment the next. If you have black or brown skin and develop hyperpigmentation from the acne, Heath recommends a topical with glycolic acid, which can treat both the blemishes and the darkening of the skin. She cautions against long-term use of a skin lightening agent without the advice of a dermatologist
Gohara, who like Heath specialises in treating skin of colour, reminds patients with hyperpigmentation to wear sunscreen even indoors, because blue light from devices can make the problem worse. If what's on your face looks like more of a rash or makes you want to scratch your face off, as Gohara puts it, it's possible your issue isn't actually acne. You may have contact dermatitis, which she sees patients get from metal or rubber parts of masks, and some fabrics (which, when washed, may release formaldehyde, an irritant) and dyes.
Hydrocortisone cream can help, though you'll want to see a dermatologist for proper diagnosis and treatment. Dab deliberately; don't slather, Gohara says. That's because hydrocortisone cream can stoke the acne fire, she says, though the mechanism is unclear. (Yes, this seems counterintuitive, because cortisone shots are still the gold standard for shrinking a pimple, but it's true.)
If you've tried all of the above and your acne persists, you may want to look at two other causes of acne: stress and diet. New York Times
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