Most infected ingrown hairs can be treated at home with warm compresses and basic wound care, and mild cases typically heal on their own within about two weeks. The key is knowing what to do (and what not to do) to help the infection clear without making things worse. A small number of cases need professional treatment, especially when the infection spreads beyond the original bump.
How to Tell If It’s Actually Infected
Not every angry-looking ingrown hair is infected. Ingrown hairs are naturally irritating to the skin, so some redness and tenderness are expected even without infection. The signs that bacteria have moved in are more specific: the bump gets noticeably bigger and more painful, pus forms around the hair follicle, and the surrounding skin may feel warm to the touch. The area might also become more discolored than a typical ingrown hair bump.
If you’re seeing a small, pus-filled bump that’s sore but staying roughly the same size, you’re likely dealing with a mild, localized infection that responds well to home treatment. If the redness is spreading outward from the bump, the pain is getting worse by the day, or you develop a fever, that’s a different situation entirely.
Start With Warm Compresses
A warm, moist cloth applied to the area is the single most effective first step. It softens the skin, draws the ingrown hair closer to the surface, and encourages the infection to drain naturally. Use a clean face cloth soaked in warm water and hold it against the bump for 5 to 10 minutes at a time, repeating 3 to 6 times throughout the day. Fresh cloth each time, or at least a freshly washed one, to avoid reintroducing bacteria.
After a few days of consistent compresses, you may see the hair emerge on its own or the pus drain without any squeezing. If the hair becomes visible at the surface, you can gently lift it out with clean, sterilized tweezers. But “gently lift” is the operative phrase here. Don’t dig into the skin trying to find a hair that isn’t visible yet.
Why You Should Never Squeeze or Pick
This is the most important thing to understand: squeezing an infected ingrown hair almost always makes it worse. Picking at the bump or trying to pop it pushes bacteria deeper into the tissue, spreads the infection to surrounding skin, and significantly increases your risk of scarring. Staphylococcus bacteria, which naturally live on your skin’s surface, can enter through any break you create and turn a minor infection into a serious one. Staph infections from ingrown hairs occasionally require oral antibiotics to prevent complications like blood infection.
If the bump drains on its own after warm compresses, that’s fine. Let it happen naturally. Apply a thin layer of over-the-counter antibiotic ointment afterward and keep the area clean.
Over-the-Counter Treatments That Help
Beyond compresses, a few pharmacy products can speed up healing. An antibiotic ointment applied directly to the bump helps control surface bacteria, especially if you’ve been scratching the area or the bump has started to drain. Apply it two to three times daily after cleaning the skin.
Products containing benzoyl peroxide can help kill bacteria in and around the follicle. Glycolic acid, found in many exfoliating products, helps remove dead skin cells that trap hairs beneath the surface. If the area is swollen and itchy, a 1% hydrocortisone cream can reduce inflammation, but limit use to four weeks or less since prolonged application thins the skin.
Keep the area clean with gentle soap and water. Avoid shaving or waxing the infected area until it’s fully healed, as hair removal will further irritate the follicle and risk spreading bacteria.
What a Doctor Can Do
If two weeks of home care haven’t resolved the infection, or if the bump is getting worse despite treatment, it’s time for professional help. For mild bacterial infections that aren’t responding to over-the-counter products, a provider will typically prescribe a topical antibiotic lotion or gel. Oral antibiotics aren’t routinely used for infected hair follicles, but they’re necessary for severe or recurring infections.
When an infected ingrown hair develops into a deeper cyst, a provider may need to drain it using a sterile technique. This is a quick in-office procedure, and it’s far safer than attempting to lance the bump yourself at home. For recurring ingrown hair cysts, your provider might recommend ongoing use of retinoids (a type of vitamin A product) to help keep follicles clear and prevent future episodes.
Signs the Infection Is Spreading
A localized infected ingrown hair is manageable. Cellulitis, a deeper skin infection that can develop when bacteria spread beyond the follicle, is not something to treat at home. Watch for a rash or redness that’s growing outward from the original bump, skin that looks swollen and feels hot over a widening area, or red streaks extending away from the bump. If you notice any of these along with a fever, seek emergency care. If the rash is spreading but you don’t have a fever, see a provider within 24 hours.
Preventing the Next One
Once the current infection clears, the goal shifts to keeping ingrown hairs from forming in the first place. Exfoliating regularly with a gentle scrub or a product containing glycolic acid removes the dead skin that traps hairs below the surface. If you shave, always use a sharp blade, shave in the direction of hair growth, and rinse the blade between strokes. Dull razors and multi-pass shaving are two of the most common causes of ingrown hairs.
Tight clothing over areas prone to ingrown hairs creates friction that pushes hairs back into the skin. Loose, breathable fabrics help, especially right after shaving or waxing. If you get ingrown hairs repeatedly in the same area despite good technique, laser hair removal or prescription retinoid creams are longer-term options worth discussing with a dermatologist.