Melasma due to sun exposure: what to know

Short answer
Sun exposure can stimulate melasma pigment and deepen existing patches, so consistent light protection is central to care alongside a tailored treatment plan.
This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.
At a glance
- Common trigger
- Ultraviolet and sometimes visible light
- Useful protection
- Sunscreen, shade, hat, and sunglasses
- Assessment
- Confirm the diagnosis before pigment treatment
How sunlight affects melasma
Melasma is an acquired pigment condition that commonly appears as symmetrical brown or grey-brown patches on the cheeks, forehead, nose, upper lip, or jaw. Ultraviolet light can activate pigment-producing cells; visible light may also contribute to darkening in some skin tones. This means patches may become more noticeable after outdoor time, even without a sunburn.
A new dark area is not automatically melasma. A clinician may compare its shape and distribution with Dark Patches On Skin, Uneven Skin Tone, and Sun-Damaged Skin, then review medicines, hormones, and previous irritation.
Steps that help
Apply a broad-spectrum sunscreen to exposed skin and reapply as directed on the product, especially during prolonged outdoor time. Add a wide-brimmed hat, sunglasses, shade, and physical barriers. Tinted protection may be useful when visible light is a concern; ask a clinician which formula suits your complexion and skin sensitivity.
Keep the routine gentle: cleanse without scrubbing, moisturise, and stop products that sting or cause peeling. If pigment remains troublesome, a dermatologist may discuss Skin Brightening Treatment, Chemical Peel, Microneedling, or Laser Toning after considering your skin type and the risk of irritation.
When to seek care
Book an assessment for a patch that changes quickly, has an irregular border, bleeds, crusts, becomes painful, or looks unlike your other marks. Seek care promptly after blistering or severe swelling from sun or a cosmetic product. A dermatologist can confirm the diagnosis before you start pigment treatment.
Questions for your dermatologist
Does the pattern fit melasma? Should I use tinted sunscreen? How often should I reapply protection for my routine? Which treatments are suitable for my skin tone, and what signs of irritation mean I should stop?
Find care
General Clinics & Polyclinics in Abu Dhabi
That answer is general. If you want it applied to your own case, these are licensed general clinics & polyclinics listed in Abu Dhabi.
27 Ar Ruwwad St - Shakhbout City - MSH4 - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, Cigna, MetLife +20 more
Al Ruwais, Al Dhafrah
Accepts: Daman, Thiqa, AXA, Cigna +16 more
Al Bahyah - Al Bahyah Old - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, Cigna, Allianz Care +18 more
Abu Dhabi
Accepts: Daman, Thiqa, AXA, Cigna +27 more
Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.
A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.
Questions people ask
Can melasma return after it fades?
Yes. Light exposure and hormonal influences can reactivate or deepen pigment, so ongoing protection remains useful.
Does a sunburn cause melasma?
Sunburn is not required; repeated light exposure can stimulate pigment even when the skin does not visibly burn.
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Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.