Melasma is exacerbated by UV, infrared and hormonal factors
Common in women of reproductive age and pregnant women
WOod’s lamp differentiates epidermal vs. dermal pigment
Combination therapy yields best results
Strict photoprotection crucial
Epidermal: Uniform brown
Dermal: Gray-blue
Mixed: Varied hues
Topical: Hydroquinone 4%, tretinoin, mild steroids; azelaic acid, kojic acid. Peels: Glycolic,
Jessner’s, TCA. Lasers: Q-switched and fractional nonablative. Photoprotection: Iron oxide
sunscreens SPF 30+.