The best soaps for folliculitis contain antimicrobial ingredients that target the specific organism causing the infection. For bacterial folliculitis, which is the most common type, benzoyl peroxide washes at 5% or 10% concentration are the most effective over-the-counter option. For fungal folliculitis, you need an antifungal ingredient like ketoconazole or zinc pyrithione instead. Choosing the right soap starts with knowing which type of folliculitis you’re dealing with.
Benzoyl Peroxide for Bacterial Folliculitis
Bacterial folliculitis is usually caused by Staphylococcus aureus, and benzoyl peroxide is one of the most reliable ways to kill it on the skin’s surface. When applied, benzoyl peroxide breaks down into compounds that release oxygen-based free radicals, which destroy bacterial proteins on contact. In studies, applying 10% benzoyl peroxide daily for two weeks reduced bacteria in hair follicles by 98%, matching what four weeks of antibiotic therapy achieved.
For a body wash you rinse off in the shower, concentration matters a lot. At 5% or 10%, benzoyl peroxide kills bacteria in about 30 seconds of skin contact. At 2.5%, you need at least 15 minutes for it to work fully, which isn’t practical in a shower. A 1-minute contact time with 5% benzoyl peroxide eliminated 100% of bacterial samples in lab testing, while 2.5% achieved about 93%. That’s why most dermatologists recommend a 5% or 10% wash for folliculitis rather than lower-strength formulations.
Benzoyl peroxide washes are available over the counter at drugstores in 5% and 10% strengths. Common brand names include PanOxyl and CeraVe Acne Foaming Cream Cleanser. Though these products are marketed for acne, their use in folliculitis is well established.
How to Use a Medicated Wash Properly
The biggest mistake people make with medicated body washes is rinsing them off too quickly. For benzoyl peroxide at 5% or higher, lather the product over the affected area and let it sit for at least one to two minutes before rinsing. This gives the active ingredient enough contact time to penetrate the follicle. If you’re using a lower concentration or have sensitive skin, you may need longer contact, but irritation becomes more likely the longer the product stays on.
Apply the wash to damp skin, gently working it over the bumps without scrubbing hard. Aggressive exfoliation can worsen inflammation and spread bacteria to surrounding follicles. After rinsing, pat the skin dry with a clean towel. One important practical note: benzoyl peroxide bleaches fabric. Use white towels and be mindful of clothing and bedding that contacts treated skin.
Antifungal Soaps for Pityrosporum Folliculitis
If your folliculitis doesn’t respond to antibacterial washes, it may be fungal. Pityrosporum folliculitis (sometimes called Malassezia folliculitis) is caused by yeast that naturally lives on skin and overgrows in warm, humid conditions. It often looks like clusters of uniform, itchy red bumps on the chest, back, and shoulders. Unlike bacterial folliculitis, it won’t improve with antibacterial products and can actually worsen with prolonged antibiotic use.
Ketoconazole is the strongest antifungal option available in wash form. It inhibits Malassezia growth at extremely low concentrations (as little as 0.001 micrograms per milliliter in lab settings), and in comparative studies, ketoconazole-based shampoos like Nizoral consistently outperformed both zinc pyrithione and selenium sulfide products in clearing Pityrosporum infections. While marketed as a dandruff shampoo, ketoconazole 2% can be lathered over the body as a wash and left on for three to five minutes before rinsing.
Zinc pyrithione soaps and selenium sulfide washes are alternatives if ketoconazole irritates your skin or isn’t available. They require higher concentrations to achieve the same antifungal effect, but they’re gentler and widely available in products like Vanicream Z-Bar (zinc pyrithione) and Selsun Blue (selenium sulfide). For fungal folliculitis, using one of these washes several times per week is typical.
Chlorhexidine and Sodium Hypochlorite Washes
Chlorhexidine gluconate (often sold as Hibiclens) is a broad-spectrum antiseptic wash that kills bacteria, including Staph. It’s commonly recommended for recurrent bacterial folliculitis, particularly when the infection keeps returning after treatment. Chlorhexidine binds to skin and continues working for hours after rinsing, giving it a longer residual effect than benzoyl peroxide. It doesn’t bleach fabric, which makes it more practical for everyday use, though it can cause dryness and irritation with prolonged daily use.
Sodium hypochlorite (dilute bleach) body washes are a newer option. Products containing 0.006% sodium hypochlorite have shown strong results against Staph colonization on the skin, with measurable improvement in as little as two weeks of daily use. In clinical trials on children with Staph-colonized skin conditions, daily use of a sodium hypochlorite wash reduced the need for topical steroid application by over 36% compared to baseline. These washes are very gentle at such low concentrations and are an option for people with sensitive or eczema-prone skin who can’t tolerate benzoyl peroxide or chlorhexidine. CLn BodyWash is one commercially available sodium hypochlorite cleanser designed for this purpose.
Tea Tree Oil Soap
Tea tree oil has genuine antimicrobial properties and can kill Staphylococcus bacteria, including drug-resistant strains like MRSA. A 5% tea tree oil body wash has been shown to effectively remove MRSA from the skin. In one clinical trial comparing tea tree oil (5% body wash plus 10% nasal cream) to standard hospital-grade treatment, 41% of patients were successfully decolonized, a rate similar to the pharmaceutical regimen. Tea tree oil performed particularly well at clearing bacteria from superficial skin sites.
That said, tea tree oil is not as potent or fast-acting as benzoyl peroxide or chlorhexidine. It’s a reasonable choice for mild cases or as a maintenance wash after the active infection clears, but it’s less likely to resolve stubborn or widespread folliculitis on its own. Look for body washes with at least 5% tea tree oil concentration, as lower amounts may not deliver meaningful antibacterial effects. Some people develop contact irritation or allergic reactions to tea tree oil, so test it on a small area first.
Choosing the Right Soap for Your Type
The most important step is identifying whether your folliculitis is bacterial or fungal, because using the wrong type of wash won’t help and can delay improvement. A few patterns can guide you:
- Bacterial folliculitis typically appears as scattered red bumps or white-headed pustules around individual hair follicles. It’s often tender rather than itchy. Benzoyl peroxide 5% wash, chlorhexidine, or sodium hypochlorite washes are your best options.
- Fungal folliculitis tends to produce uniform, small, itchy bumps across the chest, shoulders, or back. It often flares in hot weather or after sweating. Ketoconazole 2% wash is the first choice, with zinc pyrithione or selenium sulfide as alternatives.
- Recurrent folliculitis that keeps coming back after antibiotics may benefit from rotating between washes or using a maintenance routine with chlorhexidine or sodium hypochlorite several times per week.
Side Effects to Expect
Benzoyl peroxide commonly causes redness, dryness, peeling, and a mild burning sensation, especially during the first week or two. Starting with a 5% wash and limiting contact time can reduce irritation. In rare cases, the FDA has noted serious allergic reactions to benzoyl peroxide products, including swelling of the face and difficulty breathing. If you experience anything beyond mild local irritation, stop using it immediately.
Chlorhexidine can dry out the skin with regular use and occasionally causes contact dermatitis. Ketoconazole washes are generally well tolerated, though some people notice scalp or skin dryness. Sodium hypochlorite washes at the 0.006% concentration used in commercial products caused no notable side effects in clinical trials, making them one of the gentlest medicated options available. Whichever wash you choose, following up with a fragrance-free moisturizer after showering helps protect your skin barrier and reduces the dryness that most antimicrobial cleansers cause.