Can I use hydrogen peroxide on a pimple?

Should You Use Hydrogen Peroxide on a Pimple?

If you’ve ever reached for that brown bottle of hydrogen peroxide to dab on a stubborn pimple, you’re not alone. For decades, it was a go-to household remedy for everything from scrapes to breakouts. But despite its long-standing reputation as a disinfectant, dermatologists now agree: using hydrogen peroxide on pimples isn’t a smart move.

While it’s true that hydrogen peroxide kills bacteria—something that sounds helpful for acne—it doesn’t discriminate. It attacks both harmful and beneficial bacteria, disrupting your skin’s natural microbiome. Worse, it can severely irritate the skin, leading to redness, dryness, and even peeling. In some cases, it may even slow down the healing process by damaging healthy skin cells.

Instead of helping, hydrogen peroxide can do more harm than good, especially with regular use. The skin on your face is delicate, and harsh treatments like this can trigger inflammation, which may actually make breakouts worse over time.

So what should you do instead? Stick to gentler, proven acne fighters like benzoyl peroxide (in lower concentrations), salicylic acid, or even tea tree oil for milder cases. These ingredients target acne-causing bacteria without wreaking havoc on your skin barrier.

That said, don’t toss your old bottle just yet. While it’s not ideal for your face, hydrogen peroxide still has its place—just not in your skincare routine. Use it to disinfect kitchen counters, clean bathroom tiles, or sanitize minor surface wounds (though even there, it’s largely outdated). But when it comes to treating pimples, it’s best left on the shelf.