Plant extract that has skin-soothing properties. In addition, licorice root may be effective in improving the look of an uneven skin tone. One of its components, known as glabridin, is a potent antioxidant and skin-soothing ingredient, which is why licorice often shows up in products meant for sensitive, reddened skin.
References for this information:
International Journal of Molecular Science, 2009, issue 9, 4066-4087
Fitoterapia, 2013, issue 90 pages 160-184