Melasma, managed
for the long run

Melasma is one of the more frustrating conditions in dermatology — not because it resists treatment, but because it returns. Successful management is less about finding a product that clears it and more about building a routine that keeps it clear.

What melasma is

Melasma produces symmetric brown or grey-brown patches, most often across the cheeks, forehead, upper lip, and jawline. It affects women far more often than men, is more common in medium to deeper skin tones, and frequently begins during pregnancy or after starting hormonal contraception.

The mechanism is more complex than simple overproduction of pigment. Melanocytes in affected skin are chronically hyperactive and hyperresponsive to stimulation. There is also evidence of increased blood vessel density, altered communication between the dermis and epidermis, and damage to the basement membrane that allows pigment to drop deeper into the skin. That last feature is why deeper melasma is harder to clear and why it recurs so readily.

What actually drives it

• Ultraviolet radiationThe most important external driver, and the one that undoes treatment fastest.
• Visible lightFrequently overlooked. High-energy visible light — including from the sun and, to a much lesser degree, screens — stimulates pigment production in deeper skin tones. Standard clear sunscreens do not block it.
• HeatInfrared radiation and heat itself stimulate melanocytes independently of light. This is why melasma can flare from cooking over a stove, hot yoga, or a sauna.
• HormonesPregnancy, combined oral contraceptives, and hormone replacement therapy are common triggers. In some patients, changing or stopping a hormonal medication is a meaningful part of treatment.
• Inflammation and irritationAggressive products, harsh scrubs, and irritating actives can worsen melasma through post-inflammatory pigmentation layered on top of the underlying condition.

Treatment options

Hydroquinone

Still the most effective topical agent, inhibiting the enzyme that produces pigment. It is typically used for defined periods — often three to four months — followed by a break or transition to a non-hydroquinone maintenance agent. Continuous long-term use carries a risk of exogenous ochronosis, a paradoxical blue-grey darkening that is difficult to reverse, which is why physician oversight matters.

Triple combination therapy

A prescription formulation combining hydroquinone, a retinoid, and a mild corticosteroid. It remains the best-studied topical regimen for melasma and generally outperforms hydroquinone alone. It is intended for time-limited use rather than indefinite application.

Non-hydroquinone topicals

Azelaic acid, cysteamine, tranexamic acid in topical form, kojic acid, niacinamide, and thiamidol each reduce pigment production through different mechanisms. These are the mainstays of maintenance therapy between hydroquinone courses, and azelaic acid is generally considered acceptable in pregnancy.

Retinoids

Increase cell turnover and improve penetration of other agents. Useful, but they require careful introduction — irritation from too-aggressive use can worsen pigmentation rather than improve it.

Oral tranexamic acid

Reduces the vascular and inflammatory signaling that stimulates melanocytes. It has become an important option for melasma that resists topical treatment. It requires screening for clotting risk and a review of personal and family history before starting, and it is not appropriate for everyone.

Procedures

Chemical peels and low-fluence laser or energy-based treatments are sometimes added, but always cautiously and always alongside medical therapy. Melasma is notoriously prone to rebound after aggressive procedural treatment, and heat exposure during a procedure can itself trigger a flare. Procedures are an adjunct here, never a shortcut.

What a virtual melasma consult involves

Photographs in consistent, indirect natural light — front and both sides — along with a history covering when it started, any relationship to pregnancy or hormonal medication, your current products, your sun exposure and protection habits, and what you have already tried.

The current-products review matters here more than most people expect, since irritation from an overly aggressive routine is a common reason melasma is not improving. From there a staged plan is built: an initial clearing phase, then a transition to maintenance. Setting expectations honestly about the maintenance phase is part of the consult, because melasma treated as a one-time problem almost always comes back.

What melasma is not

Several conditions produce facial pigmentation and are treated differently. Post-inflammatory hyperpigmentation follows a specific injury or inflammatory event and fades on its own over months. Solar lentigines are discrete, well-defined sun spots rather than diffuse patches. Ochronosis, drug-induced pigmentation, and certain other conditions can also mimic melasma. Photographs usually distinguish these, but not always.

Frequently asked questions

This page is general health information, not medical advice, and reading it does not create a physician–patient relationship. Treatment decisions depend on your individual history and examination. If you are experiencing a medical emergency, call 911 or go to the nearest emergency department.