Getting rid of white spots on your skin depends entirely on what’s causing them. The most common culprit is a harmless fungal overgrowth called tinea versicolor, which responds well to over-the-counter antifungal products. But white spots can also signal vitiligo, sun damage, or a childhood condition called pityriasis alba, each requiring a different approach. Figuring out which type you have is the first step toward the right treatment.
Identifying Your White Spots
White spots fall into a few distinct patterns, and the differences are fairly easy to spot once you know what to look for.
Tinea versicolor shows up as small, scattered patches on the chest, back, or face. The spots can be slightly itchy and may look white, pink, or light brown depending on your skin tone. They’re caused by a yeast that naturally lives on skin but occasionally overproduces and strips pigment from the affected areas. Hot, humid weather and oily skin make it more likely.
Vitiligo looks different. It produces larger, smooth, clearly defined patches of white or very light skin that tend to grow over time. It’s an autoimmune condition where inflammatory cells destroy the pigment-producing cells in your skin. Vitiligo patches aren’t itchy or painful, but they sunburn easily because they contain no protective pigment.
Pityriasis alba mostly affects children and appears as round or oval patches of lighter skin, usually on the cheeks. The patches can be slightly raised and scaly. It’s linked to eczema and becomes more noticeable in summer, when the surrounding skin tans but the affected areas stay pale.
Sun spots (guttate hypomelanosis) are tiny, flat white dots that appear on sun-exposed areas like the shins and forearms, usually after age 40. They’re the result of cumulative UV damage to pigment cells over decades.
Milia are small, hard white bumps (not flat patches) that form when keratin gets trapped under the skin. They’re common around the eyes and on the cheeks and won’t respond to the treatments below.
If you’re unsure which type you have, a dermatologist can use an ultraviolet lamp to help distinguish between them. Under that light, fungal infections glow blue-green, while depigmented skin from vitiligo appears bright blue-white.
Treating Tinea Versicolor
This is the most treatable cause of white spots, and you can start at home with products from any drugstore. Effective over-the-counter options include clotrimazole cream (sold as Lotrimin AF), terbinafine cream (Lamisil), selenium sulfide 1% shampoo, and zinc pyrithione soap. For the shampoos, apply them to the affected skin (not just your scalp), leave them on for five to ten minutes before rinsing, and repeat daily.
If four weeks of consistent OTC treatment doesn’t improve things, a prescription-strength option may be needed. Dermatologists can prescribe stronger topical antifungals or, for widespread cases, oral antifungal tablets.
One important expectation to set: killing the fungus doesn’t instantly restore your skin color. Even after successful treatment, it can take several weeks to months for the white patches to blend back in with surrounding skin. The pigment cells need time to repopulate and produce color again. Many people assume the treatment failed when the spots linger, but as long as the patches are no longer scaly or itchy, the fungus is likely gone and your skin is simply catching up.
Tinea versicolor also tends to come back, especially in warm months. Using a selenium sulfide or zinc pyrithione wash once or twice a month on your chest, back, and shoulders can help prevent recurrence.
Managing Vitiligo
Vitiligo is a longer-term challenge, but treatment options have improved significantly. The goal is repigmentation, coaxing the skin to produce melanin again in the affected patches.
The first FDA-approved topical cream specifically for vitiligo works by blocking the immune signals that attack pigment cells. Applied twice daily to affected areas, it can produce initial improvement within about 12 weeks, with continued repigmentation building over 6 to 12 months. It works on both progressive vitiligo (actively spreading) and stable vitiligo at similar rates.
Narrowband UVB light therapy is another well-established option. Administered in a dermatologist’s office two to three times per week, it stimulates pigment cells to regenerate. Most people see color returning within 3 to 6 months of regular sessions. For very stable, localized patches that don’t respond to other treatments, melanocyte transplantation (moving healthy pigment cells from unaffected skin to white patches) can produce results within a few months.
Vitamin B12 deficiency has been associated with vitiligo, so it’s worth having your levels checked. Correcting a deficiency won’t reverse existing patches on its own, but it may support overall skin health alongside other treatments.
Handling Pityriasis Alba in Children
If your child has pale, slightly scaly patches on their cheeks or arms, the most likely explanation is pityriasis alba. The good news is that it resolves on its own, though the timeline can test your patience. Most cases clear within a year, but it can take several months to a few years for patches to fully blend back in.
In the meantime, daily moisturizing helps. Apply a thick moisturizing cream or petroleum jelly to the affected areas to reduce dryness and flaking. If the patches are itchy or inflamed, a pediatrician may recommend a mild topical treatment to calm the irritation. Sun exposure makes the contrast between affected and unaffected skin more obvious, so sunscreen helps the patches look less noticeable even if it doesn’t speed healing.
Treating Sun-Related White Spots
The small white dots that accumulate on your legs and arms from years of sun exposure are permanent losses of pigment cells in those tiny areas. They don’t respond to antifungal creams or moisturizers because the underlying cause is cumulative UV damage, not infection or inflammation.
The most effective treatment studied is a brief cryotherapy application performed in a dermatologist’s office. In a controlled study of 101 lesions, a single 5-second treatment improved 82% of spots by at least 75% at four months. Fractional laser treatments have also shown safe and effective results by stimulating the skin to regenerate pigment in treated areas. Both options require a dermatologist visit and may need more than one session depending on how many spots you want to address.
Preventing new spots comes down to consistent sunscreen use on exposed skin, particularly the forearms and lower legs, which tend to accumulate the most UV damage over a lifetime.
What About Milia?
If your white spots are actually small, firm bumps rather than flat patches, they’re likely milia. These form when keratin (a protein in skin) gets trapped beneath the surface. Unlike pimples, milia don’t sit inside a pore, so there’s no opening to squeeze them through. Attempting to pop them at home risks scarring and infection without actually removing the bump.
The most effective option is manual extraction by a dermatologist, who uses a sterile needle to create a tiny opening and remove the trapped plug. For people who get milia frequently, using a gentle exfoliating cleanser or a retinol product can help prevent new ones from forming.
Why Sunscreen Matters for All White Spots
Regardless of the cause, sunscreen plays a dual role when you have white spots. First, areas that lack pigment have no natural UV protection and burn much more easily, which can cause pain and long-term skin damage. Second, sun exposure darkens the normal skin around your patches, making the contrast more dramatic. Wearing SPF 30 or higher on exposed skin reduces both problems at once, keeping the spots less visible while protecting vulnerable areas from burns.
For conditions where repigmentation is the goal (vitiligo, post-tinea versicolor), protecting the healing skin from sun damage gives recovering pigment cells the best chance to regenerate evenly rather than in a blotchy pattern.