Sunspots are treatable with a range of options, from over-the-counter creams to in-office procedures. Most topical treatments show visible improvement within 3 to 6 months, while professional treatments like chemical peels and laser therapy can clear spots faster but require downtime. The right approach depends on how many spots you have, how dark they are, and how quickly you want results.
What Causes Sunspots
Sunspots, known clinically as solar lentigines, form when years of UV exposure trigger certain skin cells to overproduce melanin, the pigment that gives skin its color. Unlike a tan, which fades as skin cells turn over, sunspots persist because the UV damage is baked into the skin at a deeper level. Repeated sun exposure causes changes in genes related to inflammation and pigment production, essentially reprogramming the affected cells to keep churning out excess melanin long after the sun exposure ends.
The result is a flat, brown or tan patch that stays put regardless of the season. Sunspots are most common on areas that get the most cumulative UV exposure over a lifetime: the backs of your hands, your forearms, face, shoulders, and upper chest. They tend to appear after age 40, though people with lighter skin or significant sun exposure history can develop them earlier.
Over-the-Counter Topical Treatments
The most accessible starting point is a topical product that interferes with melanin production. Several active ingredients are available without a prescription, though the timeline for results is measured in months rather than weeks.
- Retinoids: Vitamin A derivatives that speed up skin cell turnover, pushing pigmented cells to the surface faster so they shed. Over-the-counter retinol is milder than prescription-strength versions, with visible results typically appearing in 3 to 6 months of consistent nightly use. Expect some dryness and peeling, especially in the first few weeks.
- Alpha hydroxy acids (AHAs): Glycolic acid and lactic acid exfoliate the top layer of skin, gradually lifting pigmented cells. Regular use can show improvement in 2 to 6 months. These are found in serums, toners, and moisturizers at concentrations typically between 5% and 10%.
- Vitamin C serums: These work by interrupting the chemical reaction that produces melanin. They’re gentler than acids and retinoids, making them a good option for sensitive skin, though the fading effect is more gradual.
One ingredient worth noting is hydroquinone, long considered the gold standard for skin lightening. Over-the-counter hydroquinone products are currently classified by the FDA as unapproved drugs that are not generally recognized as safe and effective. Hydroquinone is still available through a prescription from a dermatologist, who can monitor for side effects like rebound darkening with prolonged use.
Prescription-Strength Creams
When over-the-counter products aren’t cutting it, a dermatologist can prescribe stronger formulations. The most well-known is a triple combination cream containing a bleaching agent (hydroquinone), a retinoid (tretinoin), and a mild steroid. The bleaching agent suppresses melanin production, the retinoid accelerates cell turnover, and the steroid calms inflammation that could otherwise worsen pigmentation.
Prescription-strength topicals can produce significant improvement in 6 to 12 weeks, roughly twice as fast as their over-the-counter counterparts. They’re typically used for a set period rather than indefinitely, since long-term use of certain active ingredients can thin the skin or cause other side effects. Your dermatologist will usually have you cycle on and off or transition to a maintenance regimen.
Chemical Peels
Chemical peels use concentrated acids to remove the outer layers of skin, taking pigmented cells with them. New skin grows back lighter and more even-toned. The depth of the peel determines both the results and the recovery time.
For sunspots specifically, dermatologists commonly use glycolic acid at concentrations of 55% to 75% or trichloroacetic acid (TCA) at 10% to 40%. Glycolic acid peels are milder, with minimal downtime, and often require a series of sessions spaced a few weeks apart. TCA peels go deeper and can produce more dramatic results in fewer sessions, but they involve more peeling and redness during recovery. On average, chemical peels resolve dark spots in about 68 days from the start of treatment.
A peel isn’t a one-and-done fix if you have many spots. Most people need 3 to 6 sessions for full results, and the skin is especially vulnerable to UV damage during the healing process, making diligent sun protection essential between sessions.
Cryotherapy
Cryotherapy involves applying liquid nitrogen to individual sunspots, freezing and destroying the pigmented cells. It’s quick, usually taking just seconds per spot, and doesn’t require anesthesia. A comparative study found that 64% of patients treated with cryotherapy achieved more than 50% improvement, with about 19% seeing more than 75% clearing.
The trade-off is that cryotherapy carries a real risk of side effects, particularly on darker skin tones. In one study, the most common complication was blistering, followed by post-treatment darkening (hyperpigmentation) and lightening (hypopigmentation) of the treated area. Scarring occurred in a small number of cases. Cryotherapy works best for isolated spots on lighter skin, where the contrast between treated and surrounding skin is less noticeable.
Laser and Light Treatments
Laser therapy targets pigment with concentrated light energy, breaking up melanin deposits so the body can absorb and clear them. It’s one of the more effective options for stubborn or widespread sunspots, though the average clearance period is about 140 days, longer than many people expect. Some spots fade after a single session, while others require two or three treatments spaced several weeks apart.
The most commonly used lasers for sunspots deliver energy in very short pulses, selectively heating the pigment without damaging surrounding skin. Intense pulsed light (IPL) is a related option that uses broad-spectrum light rather than a single wavelength. Both cause mild discomfort during the procedure, often described as a rubber band snapping against the skin, and treated spots typically darken and flake off over 1 to 2 weeks. Redness and mild swelling are normal for a few days afterward.
Laser treatments tend to be the most expensive option, ranging from a few hundred to over a thousand dollars per session depending on the area treated. They’re rarely covered by insurance since sunspots are considered cosmetic.
How to Tell a Sunspot From Something Serious
The vast majority of sunspots are completely harmless. But a type of early melanoma called lentigo maligna can look similar to a sunspot at first glance, especially on sun-damaged facial skin. The ABCDE rule helps you screen any spot that gives you pause:
- Asymmetry: One half doesn’t match the other.
- Border irregularity: The edges are ragged, notched, or blurred rather than smooth.
- Color variation: The spot contains multiple shades, mixing brown, tan, pink, red, or white.
- Diameter: Larger than 6 millimeters (about the size of a pencil eraser), though melanomas can be smaller.
- Evolving: The spot is changing in size, shape, or color over weeks or months.
A typical sunspot is uniformly tan or light brown, has smooth borders, and stays the same over time. If any spot on your skin is growing, changing color, or looks different from your other spots, have a dermatologist examine it. They can use a dermatoscope to look at the spot’s internal structure and determine whether a biopsy is needed.
Preventing New Spots and Recurrence
No treatment is permanent if you continue getting unprotected sun exposure. Treated sunspots can darken again, and new ones will form in the same areas. The American Academy of Dermatology recommends daily broad-spectrum sunscreen with SPF 30 or higher, which blocks both UVA rays (the ones most responsible for pigmentation) and UVB rays.
Sunscreen is especially critical during and after treatment. Chemical peels, retinoids, and laser procedures all make your skin more sensitive to UV damage for weeks to months. Skipping sunscreen during this window can undo your results entirely or even make pigmentation worse than it was before treatment. Apply sunscreen every morning, reapply every two hours when outdoors, and pair it with a wide-brimmed hat and UV-protective clothing on high-exposure days. This isn’t optional aftercare. It’s the single biggest factor in whether your results last.