Most of the time: Tca or trichloroacetic acid is serious chemical misuse can cause severe damage, should be used by trained professional.
Answered 8/1/2012
5.7k views
No: I only use it on skin types i-iii (fair to medium pigment). I worry about pigmentation changes if the skin is darker.
Answered 12/21/2015
5.1k views
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