Retin-A is a potent derivative of vitamin A to combat acne. The problem that often occurs in Asian skin. Retin-A works to exfoliate and stimulate collagen production. However, since Asia women has extremely sensitive skin, not everyone can solve the problem with Retin-A, as they may be too hard. Another alternative is to use niacinamide, vitamin B-derivative which helps retain moisture without causing irritation.
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