For a long time, whitening ingredients have emerged in an endless stream, such as niacinamide, arbutin, resveratrol, phloretin, ferulic acid, tetrahydrocurcumin, vitamin C and its derivatives, kojic acid, etc. Among these whitening ingredients, some ingredients are famous, but their effect is not ou

Glabridin is a flavonoid active ingredient derived from licorice root. It is a common whitening ingredient. Only 1 gram of glabridin can be extracted from every 500 kg of licorice root. Its whitening effect is 1000 times that of vitamin C, so it also enjoys the reputation of "whitening gold". As the