Kojiesan Skin Lightening Soap uses high-grade kojic acid that effectively makes skin brighter. It has Zero Pigment Light Technology which is 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 abrighter and more even skin tone.