Main ingredient in licorice extract. It has skin-soothing, antioxidant, and other beneficial properties for skin. There is research showing it to be effective in skin brightening as well.
References for this information:
Fitoterapia, October 2013, pages 160-184
Phytotherapy Research, June 2008, pages 709-724
Pigment Cell Research, 1998, pages 355-361
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