Genital folliculitis looks like small pimples or red bumps clustered around hair follicles in the pubic area. Each bump typically has a white or yellow center filled with pus, often with a visible hair at the center of the lesion. The surrounding skin appears pink or red and may feel tender, itchy, or warm to the touch.
What the Bumps Look Like Up Close
The bumps start as small, inflamed spots that closely resemble acne. They’re usually 2 to 5 millimeters across, each one centered on a hair follicle. In the earliest stage you may only notice slight redness or a raised dot at the base of a hair. Within a day or two, many of these bumps develop a visible white or yellowish head of pus, making them look like whiteheads.
The bumps can appear solo or in clusters. They tend to show up on areas where hair grows densely or where skin experiences the most friction: the bikini line, the mons pubis, the outer labia, the base of the penis, or the inner thighs near the groin. On darker skin tones, the inflammation around each bump may look more purple or dark brown rather than red.
As the bumps progress, pus-filled blisters may break open and crust over with a thin yellowish scab. This crusting stage is normal healing, not a sign of worsening infection. The entire cycle from initial bump to healed skin generally takes 7 to 10 days for mild cases, though new bumps can continue to appear if the underlying trigger hasn’t been addressed.
How It Differs From Herpes
This is the question most people are really asking when they search for what genital folliculitis looks like. The two conditions can look similar at a glance, but they behave differently in ways you can spot.
Folliculitis bumps are centered on hair follicles. They look like pimples with thick, opaque pus inside, and you can often see a hair emerging from or trapped within the bump. Herpes blisters, by contrast, are small, fluid-filled sacs that contain clear or slightly yellowish fluid rather than thick white pus. Herpes lesions tend to cluster tightly together on a patch of skin and aren’t anchored to individual hair follicles.
The way they break open is also different. Herpes blisters burst and leave shallow, wet ulcers that ooze clear fluid before crusting over. Folliculitis bumps drain a small amount of pus and then dry out with a crust, without leaving an open sore underneath. Herpes also commonly causes tingling, burning, or shooting pain in the area before blisters even appear. Folliculitis doesn’t produce that kind of warning sensation. And herpes often brings systemic symptoms like fatigue, body aches, or swollen lymph nodes in the groin, especially during a first outbreak. Folliculitis stays local.
How It Differs From Molluscum and Ingrown Hairs
Molluscum contagiosum is another genital bump that can cause confusion. Molluscum bumps are firm, dome-shaped, and skin-colored or pearly white, usually with a small dimple or dip in the center. They don’t contain pus, they aren’t red or inflamed (unless irritated), and they feel smooth and waxy. They’re also painless. That dimpled center is the single clearest way to tell molluscum apart from folliculitis.
Ingrown hairs overlap more with folliculitis because they occur at the same location: the hair follicle. An ingrown hair happens when a hair curls back into the skin instead of growing outward, creating an inflamed, sometimes pus-filled bump. You can often see the trapped hair as a dark line or loop just beneath the surface. When an ingrown hair becomes infected by bacteria, it essentially becomes folliculitis. The distinction is mostly about cause rather than appearance. If you see a visible trapped hair and the bump stays isolated, it’s likely a simple ingrown. If you see multiple inflamed, pus-filled bumps across a wider area, folliculitis is the better description.
What Causes It in the Genital Area
About 70% of bacterial folliculitis cases are caused by Staphylococcus aureus, a bacterium that lives on the skin’s surface and enters follicles through tiny breaks or irritation. Other bacteria, including Pseudomonas (the organism behind hot tub folliculitis), account for most remaining cases. Yeast can also cause folliculitis, though this is more common on the chest and back than the genitals.
The genital area is particularly prone to folliculitis because of the combination of coarse hair, moisture, warmth, and friction. Shaving is the single most common trigger. A razor creates microscopic nicks in the skin and cuts hairs at sharp angles that can curl back into the follicle. Waxing, tight underwear, sweaty workout clothes left on too long, and prolonged sitting can all contribute. People who shave against the grain or use dull razors are especially susceptible.
When a Bump Becomes Something More Serious
Most genital folliculitis is superficial and clears on its own. But occasionally an infection pushes deeper into the follicle and forms a boil (furuncle). A boil starts as a tender, reddish or purplish lump that grows larger and more painful over several days, sometimes reaching more than 2 inches across. It eventually develops a yellow-white tip as pus collects beneath the surface. A boil feels firm and deeply rooted compared to the shallow, pimple-like feel of folliculitis.
If multiple boils merge together, they form a carbuncle, which is a connected area of deeper infection that’s more likely to cause fever and leave scars. The key warning signs that folliculitis has progressed are: a bump that keeps growing instead of shrinking after a few days, increasing pain or warmth, red streaks spreading outward from the bump, or any fever. A single boil sometimes drains on its own, but a carbuncle or any boil with spreading redness typically needs medical drainage.
Helping It Heal and Preventing It
Mild folliculitis responds well to simple home care. A warm, damp washcloth held against the affected area for 10 to 15 minutes several times a day can draw pus to the surface and encourage drainage. Keeping the area clean and dry between compresses helps. Avoid squeezing or picking at the bumps, which can push bacteria deeper and turn a superficial issue into a boil.
Loose, breathable cotton underwear reduces friction and moisture. If shaving triggered the outbreak, give the area a break from hair removal until the skin fully heals. When you do resume, shave in the direction of hair growth with a sharp, clean razor, and consider using an electric trimmer instead of a blade to avoid cutting hair below the skin’s surface. Changing out of sweaty clothes promptly and showering soon after exercise also reduces recurrence. For people who get repeated episodes, switching from shaving to trimming or laser hair removal can break the cycle.