What to Do for Ingrown Hair: Treatment and Prevention

Most ingrown hairs resolve on their own within a week or two if you stop irritating the area and give the trapped hair a chance to work its way out. The key is resisting the urge to dig at it. A few simple steps can speed up the process, reduce pain, and prevent the dark marks that ingrown hairs often leave behind.

How Ingrown Hairs Form

An ingrown hair happens when a hair curls back into the skin instead of growing straight out of the follicle. This creates a small, often painful bump that can look like a pimple. Sometimes you can see the hair beneath the surface as a dark loop or line.

Two things typically cause this. First, shaving or waxing creates a sharp hair tip that can pierce back into the surrounding skin as it regrows. Second, dead skin cells can accumulate over the follicle opening, trapping the hair underneath. People with naturally curly or coarse hair are more prone to ingrown hairs because the curl pattern makes it easier for the hair to re-enter the skin.

Warm Compresses to Free the Hair

The simplest and most effective first step is a warm compress. Soak a clean washcloth in warm water, wring it out, and hold it against the ingrown hair for 10 to 15 minutes. The heat softens the skin and opens the pore, which can help the trapped hair release on its own. You can repeat this two to three times a day until the hair surfaces.

Between compresses, leave the area alone. Picking at the bump or trying to squeeze it like a pimple pushes bacteria deeper into the follicle and dramatically increases the chance of infection and scarring.

Gentle Exfoliation to Clear the Way

Dead skin cells blocking the follicle are often half the problem. Gently exfoliating the area helps clear that barrier so the hair can push through. A soft washcloth, a mild scrub, or a product containing salicylic acid or glycolic acid all work well. Use light, circular motions over the bump once a day.

If you get ingrown hairs frequently, a prescription retinoid cream can help prevent them. Applied nightly, retinoids speed up the turnover of dead skin cells so they’re less likely to accumulate over follicle openings. This is especially useful for people who get ingrown hairs in the same spot repeatedly.

When to Use a Needle or Tweezers

If you can clearly see the hair loop sitting just under the surface of the skin, you can try to free it, but only with the right approach. Sterilize a fine needle or pointed tweezers with rubbing alcohol. Then gently slide the tip under the visible hair loop and lift it above the skin surface. That’s it. Don’t pluck the hair out entirely, because removing the whole hair can cause the new one growing in to become ingrown again.

If the hair isn’t visible or the bump is deep, red, and swollen, do not attempt extraction. You’ll only make it worse. Stick with warm compresses and let it surface on its own.

How to Prevent Ingrown Hairs

Prevention comes down to how you remove hair and how you care for your skin afterward.

  • Shave with the grain. Shaving against the direction of hair growth doesn’t actually cut the hair differently, but it drags the razor across your skin more aggressively. That skin irritation is what sets the stage for ingrown hairs. Shaving in the direction your hair grows produces a less close shave but far fewer bumps.
  • Use a sharp, single-blade razor. Multi-blade razors cut the hair below the skin surface, which gives it more opportunity to curl back inward. A fresh single blade reduces that risk.
  • Don’t stretch the skin while shaving. Pulling skin taut lets the razor cut hair even shorter, increasing the chance of re-entry.
  • Rinse with cool water after shaving. This helps close pores and calm irritation.
  • Moisturize and exfoliate regularly. Keeping the skin soft and free of dead cell buildup is the most reliable long-term prevention strategy.

If you get ingrown hairs no matter what you do, consider switching hair removal methods. Laser hair reduction targets the follicle itself and significantly reduces ingrown hairs over time, particularly for people with dark, coarse hair.

Signs of Infection

Most ingrown hairs are annoying but harmless. Occasionally, though, bacteria enter the irritated follicle and cause an infection. A small amount of redness around the bump is normal. What’s not normal is a bump that keeps growing larger, becomes increasingly painful, starts leaking pus, or feels hot to the touch. If any of those symptoms appear alongside a fever, that signals the infection may be spreading and needs prompt medical attention.

An infected ingrown hair can develop into a fluid-filled cyst beneath the skin. These cysts feel firm and tender and don’t respond to warm compresses the way a simple ingrown hair does. They sometimes need to be drained by a professional. Squeezing or popping a cyst at home almost always makes the infection worse.

Dealing With Dark Marks After Healing

Even after an ingrown hair resolves, it can leave behind a dark spot where the bump used to be. This is called post-inflammatory hyperpigmentation, and it’s the skin’s natural response to inflammation. The discoloration is more common and more noticeable in people with medium to dark skin tones due to higher melanin production in the area.

These marks do fade on their own, but the timeline varies widely. Some spots clear up in a couple of months. Others can take a year or longer. Active treatment with ingredients like vitamin C serums, niacinamide, azelaic acid, or prescription retinoids can shorten that window to roughly 8 to 12 weeks in many cases. Sunscreen is essential during this time, because UV exposure darkens these spots and slows healing considerably.

The best way to avoid dark marks is to minimize inflammation in the first place. That means no picking, no squeezing, and treating ingrown hairs early with warm compresses before they become deeply irritated.