The moment after you pop a pimple, you’re dealing with a small open wound on your face. Your priority is to clean it, stop any bleeding, keep it moist, and protect it from bacteria and sun. Here’s exactly how to handle each step.
Clean It With Warm, Soapy Water
Skip the rubbing alcohol and hydrogen peroxide. Both damage surrounding healthy tissue and slow healing. The best approach is simple: wash the area with warm, soapy water. Tap water is perfectly fine for this. Gently pat the spot dry with a clean towel or tissue afterward.
Stop the Bleeding
If the spot is oozing blood or clear fluid, hold a clean tissue or gauze against it with gentle, steady pressure. Don’t keep lifting the tissue to check on it. Give it a few minutes of consistent pressure, and the bleeding will stop on its own. Resist the urge to squeeze again or press out remaining fluid, which only drives bacteria deeper and increases your chances of scarring or infection.
Keep It Moist, Not Dry
Your instinct might be to let the spot “air out” and form a scab. That’s actually the slower path. The American Academy of Dermatology recommends keeping wounds moist with petroleum jelly, because wounds that dry out and scab over take longer to heal. Moist healing also prevents scars from becoming too large, deep, or itchy.
A thin layer of plain petroleum jelly is all you need. You might be tempted to reach for antibiotic ointment instead, but the active ingredient neomycin commonly causes allergic contact dermatitis, leaving you with itchy, red, irritated skin on top of the pimple. Recent evidence also suggests that killing all bacteria at a wound site can actually slow healing. The petroleum jelly base in those ointments is doing most of the healing work anyway, so you can skip the antibiotic version entirely.
Use a Hydrocolloid Patch
Pimple patches (the small, round stickers sold in most drugstores) are hydrocolloid bandages cut to acne size. The inner layer contains a gel-forming material that absorbs any fluid still draining from the spot. The outer layer is a thin polyurethane film that seals the wound from dirt, debris, and bacteria. This gives you moist healing and wound protection in one step, and it also stops you from touching or picking at the area. Apply one after cleaning and drying the spot, and leave it on for several hours or overnight.
Don’t Put Toothpaste on It
This home remedy has been circulating for decades, but toothpaste contains hydrogen peroxide, baking soda, alcohol, and menthol. These ingredients are designed for hard, non-porous surfaces like teeth. On skin, especially broken skin, they strip natural oils, cause burning and stinging, and can leave chemical burns if left on too long. The result is more inflammation, more breakouts, and a higher risk of scarring.
Protect the Spot From the Sun
UV exposure on a healing pimple dramatically increases the chance of a dark mark that lingers for weeks or months. This is called post-inflammatory hyperpigmentation, and it’s especially common in darker skin tones. You might think a tan will hide the redness, but any camouflage effect is temporary, and the underlying dark spot often gets worse.
Once you’ve applied your treatment or petroleum jelly, layer on a facial sunscreen. Look for one labeled oil-free and noncomedogenic so it won’t clog pores. If you’re already using an acne medication in the morning, apply that first, then sunscreen on top. That creates a buffer between your irritated skin and the sunscreen ingredients.
Fading Dark Marks Once It Heals
Even with perfect aftercare, a popped pimple can leave a flat brown or reddish mark where the inflammation was. This isn’t a true scar (there’s no indentation or raised tissue), but it can stick around for months. A few over-the-counter ingredients can speed fading:
- Niacinamide helps even skin tone and is gentle enough for daily use in serums or moisturizers.
- Vitamin C interferes with excess pigment production and doubles as an antioxidant.
- Glycolic acid accelerates your skin’s natural exfoliation cycle, bringing fresh cells to the surface faster.
- Retinoids (available over the counter as adapalene or retinol) increase cell turnover and help dark spots resolve more quickly.
Start with one product at a time. Layering multiple actives on healing skin can cause irritation that triggers even more pigment production, which is exactly the cycle you’re trying to break.
Signs the Spot Is Infected
Most popped pimples heal within a week without complications. But because you’ve created an open entry point for bacteria, watch for these warning signs: spreading redness beyond the original pimple, increasing warmth around the area, worsening pain rather than gradual improvement, or pus that returns or changes color. Fever or chills alongside a swollen, expanding red area are signs of cellulitis, a skin infection that needs medical attention within 24 hours, or immediately if you have a fever.