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Aug 13, 2020
Careful to use glycolic acid peel
1 of 1 found this helpful It's good only if you have white,thick skin,not sensitive. Glycolic acid has the smallest molecules reason why penetrate very fast causing irritation which could trigger the production of melanin and cause post inflammatory hyperpigmentation. People with darker skin should get no more than 8 % glycolic acid in a peel and better if mixed with another ingredient.