Melasma (Pregnancy Mask) in Indian Women: Causes, Safe Treatment

• Melasma is the symmetric brown facial pigmentation of pregnancy, driven by hormones, UV light and heat acting on melanin-rich Indian skin.
• 50 to 70 percent of pregnant Indian women develop it, versus 10 to 30 percent in lighter-skinned populations.
• Daily broad-spectrum SPF 50, ideally tinted with iron oxides, is the single most important treatment at every stage.
• In pregnancy, azelaic acid, vitamin C and niacinamide are safe; hydroquinone, retinoids, peels and lasers are not.
• After delivery and breastfeeding, the full toolkit (Kligman triple cream, oral tranexamic acid, peels, lasers) becomes available under a dermatologist.
• Realistic goal: 50 to 80 percent improvement and good control, not a permanent one-time cure. Melasma tends to recur with sun and hormones.

Melasma is an acquired pigmentation condition in which patches of brown or grey-brown skin appear symmetrically on sun-exposed parts of the face, most often the cheeks, forehead, upper lip (the moustache distribution that gives the lay name pregnancy moustache), nose and chin. The colour comes from excess melanin made by overactive pigment cells called melanocytes. The patches have soft, irregular borders and blend gradually into surrounding skin rather than ending in a sharp line.

Melasma is very common in Indian pregnancy: 50 to 70 percent of pregnant Indian women develop visible melasma, compared with 10 to 30 percent in lighter-skinned populations. It is not painful, not itchy and not dangerous, but it is cosmetically distressing and can affect how a woman feels about her appearance during an already big life change.

When melasma occurs in pregnancy it is called chloasma or the pregnancy mask, but the very same condition can appear outside pregnancy, for example in women on hormonal birth control pills or with other hormonal shifts. It often appears together with the dark vertical line on the belly known as linea nigra, which is a related but separate pregnancy pigmentation.

Indian skin mostly sits in the Fitzpatrick III to V range, which means more baseline melanin and more reactive melanocytes than lighter European skin. When the pigment-stimulating triggers of pregnancy rise sharply (oestrogen, progesterone and melanocyte-stimulating hormone all increase), they act on already-busy melanocytes, so the pigment response is larger, more visible and more persistent than in fairer skin.

India's UV environment makes this worse. The country sits at low latitudes with a high UV index for most of the year, and even monsoon and winter days carry meaningful UV. Ultraviolet light directly switches on melanocytes and is the single biggest external trigger for melasma. Reactive skin plus heavy UV exposure plus pregnancy hormones is exactly why Indian women see melasma at much higher rates than Western data suggests.

Visible light, not only UV, also drives pigmentation in deeper skin tones. This is why ordinary sunscreens that block only UV are not enough on their own. The iron-oxide tints in dermatologist-recommended Indian sunscreens block visible light too, and that extra protection matters most for Fitzpatrick IV and V skin, where melasma is more pigment-responsive.

Melasma usually becomes visible in the second trimester, from around weeks 14 to 20, as oestrogen and progesterone reach the levels that make the pigment change obvious. Some women notice subtle darkening from the late first trimester, and a few only see significant melasma in the third trimester. The pigment typically deepens as pregnancy goes on and is most prominent in the final weeks. For the bigger picture of what changes when, see our week-by-week pregnancy guide.

The distribution is recognisable and symmetric. The centrofacial pattern is commonest, with patches across the forehead, cheeks, nose, upper lip and chin. The malar pattern affects only the cheeks, and the mandibular pattern affects the jawline. The forearms are occasionally involved. The linea nigra down the abdomen is related pregnancy pigmentation but is not technically melasma.

Symmetry is one of the features that helps tell melasma apart from other pigmentation problems, and the typical sparing of the small area just under the nose is another clue. A dermatologist can confirm melasma clinically in almost all cases, without needing a biopsy or special tests.

Sun exposure is the single most important trigger at every stage. Even melasma that started in pregnancy will worsen and persist if sun protection is not strict. UV-A, UV-B and visible light all stimulate melanocytes, and even brief unprotected exposure during a daily commute or while standing at a kitchen window is enough to keep melasma going. Hormonal triggers extend beyond pregnancy to combined oral contraceptive pills, hormone therapy around perimenopause, and hormonal IUDs in some women, which is one reason to discuss the side effects of your birth control if you have melasma.

Heat is an under-recognised trigger that matters in the Indian kitchen. The infrared radiation and physical heat from cooking stoves (making chai at the gas hob is a classic Indian melasma trigger), tandoors and outdoor work in summer all stimulate melanocytes independently of UV. Women with melasma should minimise stove-side exposure or wear a tinted sunscreen even when they are indoors.

Other triggers include some cosmetics and skincare (especially fragranced or photosensitising products), certain medications including phototoxic drugs and some anti-epileptics, thyroid dysfunction, and chronic stress. Because thyroid problems are common in Indian women and can drive pigmentation, it is worth being aware of thyroid health and how it affects the body. Identifying your own mix of triggers is part of long-term control.

During pregnancy the foundation of melasma management is daily broad-spectrum sunscreen of SPF 50 or higher, applied generously in the morning and reapplied every 2 to 3 hours when you are outdoors. This is the single most effective, most evidence-based step available, and without it nothing else works. Trusted Indian options suitable in pregnancy include Aqualogica Detan SPF 50 (around 400 to 700 rupees), Re'equil Oxybenzone-Free Sunscreen SPF 50 (around 500 to 800 rupees), Minimalist Sunscreen SPF 50 (around 300 to 500 rupees) and La Shield SPF 40 PA+++ (around 600 to 900 rupees).

Tinted sunscreens containing iron oxides are particularly useful for Indian skin because they block visible light as well as UV, and that visible-light protection matters for Fitzpatrick IV and V tones. Mineral sunscreens based on zinc oxide and titanium dioxide are preferred in pregnancy over chemical filters, because the physical filters sit on the skin surface and raise no systemic absorption concerns.

Application matters as much as the product. The standard adult face needs about two finger-lengths of sunscreen for proper coverage, applied 15 minutes before going out and reapplied every 2 to 3 hours outdoors. A wide-brimmed hat, sunglasses and seeking shade complete the package. The same gentle, protective approach pairs well with the rest of your pregnancy skincare and glow routine.

Several effective melasma treatments used outside pregnancy are not safe while you are pregnant. Hydroquinone (sold as Melalite, Eukroma and others) is the most powerful topical lightening agent but is generally avoided in pregnancy because a relatively large amount can be absorbed through skin and its fetal safety is uncertain. Retinoids and tretinoin (Retino-A, A-Ret) must be avoided too: oral retinoids are known to cause serious birth defects, and the caution on topical forms is genuine.

Stronger salicylic acid (the concentrations in chemical peels and strong acne treatments) is best avoided in pregnancy, although low-concentration leave-on products are generally considered acceptable. Chemical peels, including glycolic, lactic and TCA peels, are best deferred until after pregnancy and breastfeeding because of pigment-rebound risk and absorption uncertainty.

Energy-based treatments, including IPL, Q-switched lasers, picosecond lasers and fractional lasers, are not recommended during pregnancy. Because melanocytes are already overactive and laser safety in pregnancy is not established, dermatologists routinely wait until at least 3 to 6 months after delivery, and after breastfeeding has settled, before considering any laser.

Three topical ingredients have a good pregnancy safety record and meaningful evidence for melasma. Azelaic acid 15 to 20 percent is the strongest pregnancy-safe option: it blocks tyrosinase (the key enzyme in melanin production), calms inflammation, and is well tolerated in pregnancy. Indian options include Aziderm 10 or 20 percent cream (around 250 to 400 rupees), applied once or twice daily to the affected areas. Mild stinging in the first week is common and usually settles. Azelaic acid is also a useful, gentle option if you are dealing with hormonal acne at the same time.

Vitamin C (L-ascorbic acid) 10 to 15 percent serum is the second pregnancy-safe option, working as an antioxidant and a mild tyrosinase inhibitor. Indian options include Minimalist Vitamin C 10 percent (around 600 rupees), Plum 15 percent Vitamin C and Dot and Key serums. Apply it in the morning under sunscreen for added UV protection and brightening.

Niacinamide 5 to 10 percent is the third safe option. It reduces the transfer of pigment from melanocytes to surface skin cells, a complementary mechanism. Re'equil 10 percent Niacinamide (around 500 rupees), Plum 5 percent Niacinamide and The Ordinary Niacinamide are widely available in India. These three ingredients can be layered under sunscreen during pregnancy and form a realistic in-pregnancy toolkit.

After delivery and, in most cases, once breastfeeding has stopped or is well established, the full dermatology toolkit becomes available. The usual first-line is triple-combination cream: hydroquinone 2 to 4 percent (Melalite, Eukroma, around 200 to 400 rupees), a topical retinoid such as tretinoin 0.025 to 0.05 percent, and a mild topical steroid, used in a short, supervised course of 8 to 12 weeks. This Kligman-style formula gives 50 to 80 percent improvement in most patients. Because hydroquinone and retinoids cross into breast milk in uncertain amounts, start them only after discussing breastfeeding with your doctor.

Other postpartum options include kojic acid 1 to 2 percent (a fungal-derived tyrosinase inhibitor), oral tranexamic acid 250 mg twice daily for 8 to 12 weeks under dermatology supervision (effective for stubborn melasma, with a good Indian evidence base), topical tranexamic acid 5 percent, and superficial chemical peels such as glycolic acid 20 to 35 percent and lactic acid peels done every 2 to 4 weeks. Tranexamic acid is not for everyone, so flag any clotting history or risk factors with your doctor first.

Laser and energy-based treatments include low-fluence Q-switched Nd:YAG laser toning, picosecond lasers and fractional non-ablative lasers. All of these need experienced hands in Indian skin, because the risk of stimulating more pigment is real. Apollo Dermatology, Kaya Clinic and Oliva Skin and Hair Clinic offer melasma packages typically ranging from 500 to 2000 rupees per consultation and 2000 to 10000 rupees per laser session. This often overlaps with the busy early-baby months, so plan it around your recovery, as you would with postpartum hair loss.

Daily habits make the single biggest difference to melasma, more than any individual product. A wide-brimmed cotton or straw hat (with at least a 7 to 10 centimetre brim) and UV-blocking sunglasses are essential outdoors, because the brim and lenses shade exactly the central-face zones where melasma concentrates. A light cotton dupatta drawn over the face during long outdoor exposure adds genuine UV protection too.

Timing matters. Avoiding direct sun between 11 am and 3 pm (peak UV hours in India) reduces stimulation significantly, so shift outdoor walks to early morning or evening where you can. When exposure is unavoidable, reapply sunscreen every 2 to 3 hours rather than relying on the morning coat, because sweat and rubbing remove it faster than most women realise.

Indoor heat and visible light are easy to overlook. Standing close to the chai stove (the radiant heat stimulates melasma), long screen time and bright halogen or LED lighting all add to the pigment stimulus. Wearing a tinted, iron-oxide sunscreen even indoors during long cooking or screen sessions is a worthwhile habit when your melasma is active.

Setting honest expectations matters, because unrealistic hopes drive disappointment and risky treatment choices. Pregnancy melasma often improves on its own in the 6 to 12 months after delivery as hormone levels normalise, and around half of women see meaningful natural lightening in this window without any active treatment, provided sun protection is strict. The other half keep visible melasma that needs dermatology input.

With the full toolkit, the realistic best case is 50 to 80 percent improvement over 3 to 6 months, not complete clearance. Melasma tends to recur, especially with sun exposure, hormonal contraception or a further pregnancy. The honest goal is substantial improvement and good ongoing control, rather than a one-time cure.

Maintenance is part of the picture. Even after good early improvement, ongoing daily sunscreen, periodic dermatology review and sometimes maintenance topicals are needed to keep melasma quiet. Women who accept this longer view do well; those who expect a single magic treatment often feel let down and may turn to unregulated clinics that promise more than they can deliver. Be kind to yourself through this, the same way you would while rebuilding confidence in your body after birth.

Melasma itself is harmless and never an emergency, but a dermatologist visit helps you treat it correctly and avoid harmful home remedies. See a doctor in the situations below.

A dermatologist can confirm the diagnosis, rule out look-alikes and set up a safe, stage-appropriate plan, which matters most for deeper Indian skin tones where the wrong treatment can worsen pigmentation.

• American Academy of Dermatology — Melasma: Diagnosis and Treatment
• DermNet — Melasma
• Indian Journal of Dermatology, Venereology and Leprology (IJDVL) — Melasma
• NHS — Skin pigmentation disorders / sun safety
• American College of Obstetricians and Gynecologists (ACOG) — Skin Conditions During Pregnancy