Kojiesan Skin Lightening Soap uses high-grade kojic acid that effectively makes skin lighter. It has Zero pigment light Technology that targets dark spots and uneven skin tone. Zero Pigment Light – A unique skin lightening delivery system that effectively bonds the potent active ingredient to ensure that it is absorbed by and activated in your skin and areas where it is most needed. This powerful mode of action zeroes-in on dark spots, age spots, scars, melasma and hyperpigmentation giving you a lighter even skin tone.