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The results are both unsightly and harmful.

Move over “eraser challenge,” because a new, equally troublesome trend has taken hold of the world’s youngsters. The “deodorant challenge,” which Today reports has taken off among teens and preteens in the U.K., involves holding a can of aerosol deodorant just above the skin and spraying it for as long as possible. The results are both unsightly and dangerous.

“This is a very scary trend, because basically these kids are committing chemical burns,” Dr. Doris Day, a board-certified dermatologist who specializes in laser, cosmetic and surgical dermatology, told Today. “The force of the aerosol itself and the temperature change on the skin can potentially cause second- and third-degree burns.”

Predicting that the “deodorant challenge” will eventually make its way stateside (thanks social media!), experts recommend that US parents discuss the trend with their children now, emphasizing the risk of permanent scarring and an increased chance of skin cancer developing in these areas later in life.

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Luckily, like other similar crazes, the “deodorant challenge” isn’t expected to stick around for very long. “This is a passing trend, something that kids do,” Day added. “Kids try odd things. It’s more of a dare, and now with social media, these dares go more viral. But it’s not cool, because it leaves scars.”