8397fa35_ening_ingredients___WHITERskin__2
[0] Retin A/ Tretinoin [1] Retinoic acid/Vitamin A acid [3] Tretinoin was used as monotherapy in a study on 38 African- American patients with melasma and 68%-73% of patients improved. [4] Yes. [2] 
Boosts epidermal turnover, which promotes keratinocyte proliferation. Discharges epidermal melanin but not dermal melanin.
List of commercial skin lightening / skin whitening ingredients | WHITERskin
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