Melasma Treatment: What Actually Works in 2026

The short version

Melasma is patchy brown or gray-brown discoloration, usually across the cheeks, forehead, upper lip, and bridge of the nose. It is driven by sun, heat, visible light, and hormones, so no cream removes it permanently. The evidence-backed core is daily broad-spectrum sunscreen, ideally tinted with iron oxide, plus a topical lightening agent: hydroquinone, the triple-combination cream, or azelaic acid. Procedures like chemical peels and low-energy lasers can help stubborn cases but carry a real risk of making pigment worse if used aggressively. Expect months, not weeks, and plan for maintenance, because relapse is the rule without sun protection.

Sun protection is the treatment, not an add-on

Every effective melasma plan starts with blocking light, because ultraviolet and visible light both switch pigment cells back on. The American Academy of Dermatology advises broad-spectrum sunscreen of SPF 30 or higher, reapplied through the day, and warns that sun exposure darkens existing patches and triggers new ones [1]. Standard sunscreens filter UV but let visible light through, and visible light (roughly 400 to 700 nm) independently drives pigment in medium and darker skin.

This is why tinted sunscreens matter. Iron oxides add tint and absorb visible light. In a randomized trial, melasma patients using an iron-oxide tinted SPF 50+ alongside 4% hydroquinone improved about 15% more on the MASI severity score than those using a UV-only sunscreen of the same SPF [2]. A wide-brim hat and shade do the rest. Without this foundation, every other treatment underperforms and relapses fast.

Hydroquinone: the reference agent

Hydroquinone is the most studied topical lightener and the standard every other agent is measured against. It blocks tyrosinase, the enzyme melanocytes use to make pigment, and in the US the 4% strength is prescription-only. Most people see fading over 8 to 12 weeks of nightly use.

The caution is real. Prolonged, uninterrupted use, typically many months to years and sometimes at strengths as low as 2%, can cause exogenous ochronosis, a paradoxical blue-black darkening that is hard to reverse. That is why hydroquinone belongs under prescription oversight, is used in courses rather than indefinitely, and is paired with periodic breaks. If skin darkens or turns gray while on hydroquinone, stop and see a dermatologist.

The triple-combination cream (Kligman's formula)

The triple-combination cream (hydroquinone 4%, tretinoin 0.05%, and a low-potency steroid, fluocinolone acetonide 0.01%) is the descendant of Kligman's formula and the most effective topical for moderate-to-severe melasma. The retinoid speeds cell turnover and helps the other two penetrate, the steroid calms irritation and reduces pigment, and hydroquinone does the lightening.

In a Cochrane review, the triple cream cleared melasma better than hydroquinone alone, with a relative benefit of 1.58 (95% CI 1.26 to 1.97) [4]. A randomized trial in Asian patients found the fixed triple combination outperformed 4% hydroquinone over 8 weeks, with a manageable side-effect profile of mild redness and peeling [3]. Because the steroid can thin skin and cause telangiectasia with long use, it is meant for short bursts, not permanent nightly application.

Azelaic acid and gentler topicals

Azelaic acid is the go-to when hydroquinone is not tolerated or wanted, and it is considered safe in pregnancy, a common melasma trigger, unlike hydroquinone and retinoids. In a 24-week double-blind trial of 329 women, 20% azelaic acid matched 4% hydroquinone, with 65% of azelaic-acid users rated good or excellent and no ochronosis risk [5]. It acts on tyrosinase and preferentially targets overactive pigment cells.

Other gentler topicals such as kojic acid, vitamin C, cysteamine, and niacinamide are reasonable adjuncts, but their evidence is weaker than the agents above. They suit maintenance and sensitive skin more than fast clearing.

Oral tranexamic acid for stubborn cases

Oral tranexamic acid is a newer option for widespread or resistant melasma, prescribed off-label at low dose. In a placebo-controlled trial, 250 mg twice daily for 3 months cut the modified MASI score by 49% versus 18% on placebo [6]. It is not for everyone: it is avoided in people with clotting risk, and pigment tends to creep back after stopping. It needs a prescriber who screens for thrombosis risk first and monitors during treatment.

Procedures: peels and lasers, used carefully

When topicals stall, dermatologists may add chemical peels (glycolic or a low-strength Jessner-type), microneedling, or low-energy lasers such as low-fluence Q-switched Nd:YAG. These are add-ons to sunscreen and creams, not replacements for them.

The honest caveat is that melasma is easily provoked. Aggressive peels, high-energy lasers, and heat-generating devices can cause post-inflammatory hyperpigmentation or rebound that is worse than the starting point, especially in darker skin. Conservative settings, test spots, and an experienced operator matter more here than in almost any other cosmetic procedure.

Why melasma comes back, and how to hold results

Melasma is chronic. The AAD notes it can persist for years or even a lifetime, and results from any treatment take roughly 3 to 12 months [1]. Clearing is only half the job; staying clear depends on daily sun protection and a maintenance plan, often azelaic acid or intermittent hydroquinone under supervision. Sun, heat, pregnancy, and some birth-control hormones can restart it. Treat a relapse as expected and manageable, not as failure.