Fungal acne is treated with antifungal products, not the antibacterial treatments used for regular acne. Most people see improvement within two to six weeks of consistent antifungal use. The catch is that fungal acne looks a lot like regular acne, so the first step is making sure you’re treating the right thing.
Make Sure It’s Actually Fungal Acne
Fungal acne (technically called Malassezia folliculitis or Pityrosporum folliculitis) is caused by an overgrowth of Malassezia yeast in hair follicles, not the bacteria behind regular breakouts. They look similar, but there’s one reliable clue: fungal acne itches. Regular acne typically doesn’t. The bumps also tend to be uniform in size, usually small and clustered, and they commonly appear on the chest, back, shoulders, and forehead rather than the cheeks and jawline.
If you’ve been treating what you think is acne for weeks with no improvement, or if antibiotics have actually made things worse, that’s another signal. Antibiotics kill bacteria on the skin, which can give Malassezia less competition and room to flourish. A dermatologist can confirm the diagnosis by examining a skin sample under a microscope or using a Wood’s lamp, a small black light that makes the yeast glow fluorescent yellow or green.
Over-the-Counter Antifungal Treatments
The most accessible first-line treatment is an antifungal shampoo containing ketoconazole (usually 1% or 2%), which you can find at most drugstores. Despite being a shampoo, it works well as a body or face wash. Apply it to damp skin over the affected area, lather it, leave it on for five minutes, then rinse. You can do this daily or several times a week depending on severity. Some people use it as a maintenance wash once or twice a week after their skin clears to prevent recurrence.
Other effective over-the-counter antifungal ingredients include zinc pyrithione (found in certain dandruff shampoos) and selenium sulfide. These work the same way: apply to the affected area, let them sit for a few minutes, and rinse. Pyrithione zinc also comes in bar soap form, which some people find easier to use on the body.
For more targeted treatment, antifungal creams containing clotrimazole or miconazole (the same active ingredients in athlete’s foot creams) can be applied directly to affected areas twice daily. These are left on the skin rather than rinsed off, so they maintain longer contact with the yeast.
Prescription Options for Stubborn Cases
When over-the-counter treatments don’t clear things up after several weeks, a dermatologist can prescribe stronger topical antifungals or oral antifungal medication. Oral treatment works from the inside out and tends to produce faster results for widespread or resistant cases. The 2023 European Academy of Dermatology and Venereology position statement includes oral antifungals among its recommended treatments for Malassezia folliculitis.
One important thing to know about oral antifungals: they require monitoring because they can affect the liver, so your doctor will likely check bloodwork. The course is usually a few weeks, and recurrence after stopping is common, which is why pairing oral treatment with ongoing topical maintenance matters.
Adjust Your Skincare Routine
Malassezia yeast feeds on certain oils and fats, which means many standard skincare and acne products can actually make fungal acne worse. The yeast lacks the ability to process unsaturated fatty acids but thrives on saturated fatty acids and triglycerides. Its lipase enzymes break down the triglycerides in sebum into free fatty acids like oleic acid, which then stimulate your sebaceous glands to produce even more oil. This creates a feedback loop: more sebum feeds more yeast, which triggers more sebum production.
To break this cycle, look for products labeled “oil-free” and check ingredient lists for common triggers. Oils high in saturated fatty acids, fatty acid esters, and polysorbates can feed the yeast. Coconut oil, for instance, is rich in saturated fatty acids. Many popular moisturizers and sunscreens contain these ingredients, so switching products is often a necessary part of treatment. Squalane oil, mineral oil, and glycerin-based moisturizers are generally considered safer options because they don’t provide the yeast with usable nutrients.
If you wear makeup, look for formulas free of oils and fatty acid esters. The goal isn’t to strip your skin bare, just to stop inadvertently feeding the organism you’re trying to eliminate.
What to Expect During Treatment
Most people notice visible improvement within two to six weeks of consistent antifungal treatment. The itching usually subsides before the bumps fully clear. If you see no change at all after three to four weeks of diligent over-the-counter treatment, it’s worth seeing a dermatologist. Either the diagnosis may be wrong, or you may need a stronger prescription approach.
Fungal acne has a high recurrence rate. Malassezia yeast is a normal part of everyone’s skin flora, so you can’t eliminate it permanently. The goal is to control its overgrowth. Many people find they need some form of ongoing maintenance, whether that’s using an antifungal wash once or twice a week or being selective about skincare ingredients long-term.
Preventing Flare-Ups
Malassezia thrives in warm, moist environments, so sweat is one of the biggest triggers. Change out of sweaty clothes as soon as possible after exercise and shower promptly. If you can’t shower right away, at minimum change into dry clothing. Wearing moisture-wicking synthetic fabrics or loose-fitting breathable clothes during workouts helps keep sweat from sitting against your skin.
Humidity and heat make flare-ups more likely, which is why fungal acne is more common in tropical climates and during summer months. People who are prone to it often notice a seasonal pattern. Starting a maintenance antifungal wash before your typical flare-up season can help keep things under control rather than waiting until bumps appear.
Prolonged antibiotic use for other conditions can also trigger fungal acne by disrupting the balance of organisms on your skin. If you notice itchy, uniform bumps developing during or after a course of antibiotics, Malassezia overgrowth is a likely explanation.