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A female asked:

What is best peel chemical for dark spot on face glycolic acid or tretinoin?

2 doctor answers17 doctors weighed in
Dr. Joshua Fox
Dermatology 41 years experience
Chemical peel: There is no best. It depends on your skin color and the problem that you are trying to resolve . In general Alpha or beta hydro ya i'd peels are more effective than tretinoin.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Richard Zienowicz
Plastic Surgery 40 years experience
Glycolic acid: Tretinoin is not a peel. It causes the cell to undergo more rapid mitosis which increases cellular turnover and hence an appearance of dry skin that in fact is not lack of moisture at all.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Sep 28, 2016

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