10.1111/j.1432-1033.1983.tb07804.x 86 SchenkH.KleinM.ErdbrueggerW.DroegeW.Schulze-OsthoffK
Various topical, oral, and injection-based cosmetic skin-lightening agents with different mechanisms of action are used widely across Asia, including hydroquinone, azelaic acid, kojic acid, mulberry, alpha-arbutin, beta-arbutin, glutathione, licorice root, papaya, vitamin A (e.g., retinol), vitamin B (i.e., niacinamide), and vitamin C
It also supports wound healing and hormone regulation
It sinks in really well, and I layer azelaic acid on top to help with hyperpigmentation
When not in use, keep the lid of the box closed and sealed, store in the refrigerator