Hard to say: Could be a fungal infection like tinea alba or vitiligo (loss of pigment) or a reaction to a medicine or skin product. Other things could do it, too, including leprosy! See a doc and get it sorted out.
Answered 4/21/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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