Will applying Retin A reduce the darkness of my lips?
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Darkness of the lips
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Dark Lip Edges
Retin-A can help to lighten skin of any cause, especially when combined with hydroquinone and a very mild corticosteroid, like hydrocortisone, for a short period of time. In the botanical category, things like arbutin and licorice root have the most data on the holistic side for skin lightening.