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Model Gigi Hadid does it. Actresses Selena Gomez and Amanda Seyfried do, too. Olivia Munn also used to apply toothpaste to her pimples but has since wised up to this acne treatment hack. The stars, they’re just like us — at least when it comes to falling for old beauty tales.
Putting toothpaste on a pimple might have sufficed way back in the day but it also irritates your skin. And today we have safe, scientifically proven spot treatments designed to tackle acne — more specifically, bacteria-busting benzoyl peroxide and salicylic acid. They’re sold in the same stores you buy your toothpaste. Just keep them away from your fancy towels.
The idea behind putting toothpaste on a pimple isn’t completely unfounded. “Many toothpastes contain ingredients that can target bacteria and help shrink and dry pimples, such as alcohol, hydrogen peroxide and baking soda,” says Shadi Kourosh, assistant professor of dermatology at Harvard Medical School and a board-certified dermatologist at Sadick Dermatology in New York. “It’s understandable that people may have tried this as a home remedy, especially in the days before we had better options for acne spot treatments.”
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But part of the antibacterial effect of toothpaste may have been because of triclosan, an antiseptic that the Food and Drug Administration recently banned because of its potentially negative health effects.
“There are also other ingredients in toothpaste, such as fluoride, sodium lauryl sulfate, and flavoring agents that could irritate the skin and cause allergies,” Kourosh says.
“It’s much better and more consistent to use something that actually has a mechanism of action, has been studied and is based on data, not anecdotes,” says Joel Cohen, a board-certified dermatologist and director of AboutSkin Dermatology in Denver.
“An acne-targeting product, such as benzoyl peroxide, will not only help kill the bacteria in your pimples but also function as an anti-inflammatory to tamper the swelling and redness,” Cohen says. He says salicylic acid will also help open up the skin’s follicles, remove dead debris on the pores, and reduce some of the oil production. Can your toothpaste do that? No. “These products cost just a few dollars and all the major skin-care companies make them.”
You’ll find spot treatment products containing benzoyl peroxide in amounts ranging from 2.5 to 10 percent. If you have sensitive skin, Kourosh says to start on the lower end and increase as needed. Most salicylic acid spot treatments are 2 percent. Apply either product to pimples twice a day and moisturize the surrounding skin, not the pimple itself. “The drying effect is helpful to treat the acne spot,” she says.
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If you are hellbent on avoiding acne products and still want a home remedy, consider something like tea tree oil over toothpaste. In a 2014 comparative study, researchers found that this herbal extract was as effective in treating acne as a solution containing 5 percent benzoyl peroxide.
Copyright 2022, Consumer Reports Inc.
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