Kojic acid: It has been used to treat certain pigmented skin conditions and will cause lightening of the skin. However, you may be sensitive to it. I would purchase the smallest amount you can and try it - it is safe for use as a cosmetic. As far as sun - it may make the skin more sensitive. Just be careful.
Answered 7/7/2016
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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