There's no real harm in using zit stickers — but they may not work, either, leaving you pimply and frustrated. “They're really just wound healing dressings for a very specific type of lesion,” Dr. Kassouf says. “They can be helpful, but for overall acne treatment, there is little use for them.

Can pimple patches make it worse?

Do pimple patches make acne worse? As long as you're not allergic or sensitive to an ingredient found in the patches, then the pros say they are generally safe to use. King noted that pimple patches with salicylic acid could be more irritating, and tea tree oil can cause irritation and allergic reactions.

How long does it take for pimple patches to work?

According to research, it may take anywhere from 6 to 20 weeks to really see a change in skin.