Hypopigmented lesions are seen in: (A) Melasma, (B) Lichen planus pigmentosus, (C) Urticaria pigmentosa, (D) Pityriasis alba
Answer is D. In melasma brown / grey brown macular pigmentation with well defined scalloped margins. Pigmentation darkens on sun exposure.
Lichen planus produces hyper pigmented lesions.
Pityriasis Alba produces scaly hypo pigmented macules.