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doi: 10.1677/joe.1.05770

There were faster granulation tissue formation, re-epithelialization, dermal remodeling, and collagen deposition through extracellular signalregulated kinases (ERK)1/2 signaling pathway as well as its downstream targets, including c-Fos, c-Jun, and egr-1

Another study even suggested that licorice is more effective than the gold standard skin-lightening agent hydroquinone

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