What is the difference in active ingredients between the Glutathione Soap, Papaya Kojic Soap, Black Soap and the Licorice Beauty Bar?
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The Diana Stalder Papaya Kojic Soap uses kojic acid (a mushroom extract) and papain (a papaya extract) to achieve the whitening effect. The active ingredient in the Diana Stalder Black Soap is arbutin. As you would expect, the Diana Stalder Glutathione Soap uses glutathione and the Diana Stalder Licorice Beauty Bar uses licorice extract.