The best thing to put on an ingrown hair cyst is a warm, moist washcloth, applied for 10 to 15 minutes, three or four times a day. This softens the skin over the trapped hair and draws the cyst closer to the surface, often resolving it without any other treatment. Beyond warm compresses, a few over-the-counter products can speed healing and reduce pain.
Warm Compresses Come First
Heat is the single most effective home treatment for an ingrown hair cyst. Soak a clean washcloth in warm water, wring it out so it’s moist but not dripping, and hold it against the cyst for 10 to 15 minutes. Repeat this three or four times a day. The warmth increases blood flow to the area, softens the plug of dead skin trapping the hair, and encourages the cyst to drain on its own. Many small ingrown hair cysts resolve within a few days of consistent warm compresses alone.
Over-the-Counter Products That Help
If warm compresses aren’t enough on their own, layering in one or two topical products can reduce swelling and prevent infection.
Hydrocortisone Cream
A 1% hydrocortisone cream, available at any pharmacy, calms redness and inflammation around the cyst. Apply a thin layer directly to the bump after your warm compress. Don’t use it for more than four weeks, as prolonged use can thin the skin.
Salicylic Acid or Benzoyl Peroxide
Acne washes and spot treatments containing salicylic acid or benzoyl peroxide work on ingrown hair cysts for the same reason they work on pimples. Salicylic acid dissolves the dead skin cells clogging the follicle, helping the trapped hair break free. Benzoyl peroxide kills bacteria on the skin’s surface, lowering the chance of infection. A cleanser with 2% salicylic acid or a 2.5% benzoyl peroxide spot treatment, applied once or twice daily, is a good starting point. These can be drying, so use one or the other rather than both at once.
Glycolic Acid
Glycolic acid is a chemical exfoliant that thins the top layer of skin, making it harder for hairs to get trapped underneath. A low-strength formula (5 to 7% or less) applied two to three times per week can treat active ingrown hairs and help prevent new ones. If you’re using it on sensitive areas like the armpits, limit application to once a week to avoid irritation.
Natural Options Worth Trying
Tea tree oil has natural antibacterial properties and can help keep an ingrown hair cyst from becoming infected. It needs to be diluted before going on your skin, since full-strength tea tree oil can overdry and irritate the area. A simple approach: add about 10 drops of tea tree oil to a quarter cup of your regular body moisturizer and apply it to the affected spot. Alternatively, you can mix 8 drops into an ounce of shea butter for a thicker, more protective barrier.
For a soothing rinse, mix 20 drops of tea tree oil into 8 ounces of warm distilled water and gently dab it onto the cyst with a cotton pad. This can help open pores and reduce inflammation without clogging the area with heavy product.
What Not to Put on It
The most important rule is to leave the cyst alone physically. Squeezing, picking, or trying to pop an ingrown hair cyst pushes bacteria deeper into the skin, increases swelling, and raises your risk of three specific complications: bacterial infection (with worsening pain and pus), permanent scarring, and skin discoloration that can last months. Popping also makes the cyst more likely to come back in the same spot.
Avoid applying rubbing alcohol or hydrogen peroxide directly to the cyst. While they kill bacteria on contact, they also damage healthy skin cells and slow healing. Thick, occlusive ointments can trap heat and bacteria against the bump, so skip petroleum jelly or heavy creams until the cyst has fully drained and you’re just moisturizing healing skin.
Signs the Cyst Needs Medical Attention
Most ingrown hair cysts clear up within a week or two with consistent home care. But some become genuinely infected, and a topical product can’t fix that. Watch for increasing pain rather than improving pain, a growing area of redness spreading outward from the bump, thick or foul-smelling pus, or warmth that extends beyond the cyst itself. If a rapidly expanding rash develops alongside a fever, that signals a deeper skin infection called cellulitis, which needs prompt treatment. Even without fever, a rash that keeps growing warrants a visit within 24 hours.
A dermatologist can drain a stubborn cyst safely using sterile tools, and for large or deeply inflamed cysts, a steroid injection directly into the bump can shrink it within hours. These options carry far less risk than attempting drainage at home.
Preventing the Next One
Once the current cyst heals, regular exfoliation is the best defense against future ingrown hairs. Using a glycolic acid product (5 to 7%) two to three times a week on areas where you shave or wax keeps dead skin from building up over hair follicles. Shaving with a sharp, single-blade razor in the direction of hair growth, rather than against it, also reduces the chance of hairs curling back into the skin. If you get ingrown hair cysts repeatedly in the same area, switching to an electric trimmer or exploring laser hair removal can break the cycle entirely.