Skin Lightening Soap has An All-Natural Kojic Acid Formula That Helps Lighten Dark Spots Due To Acne, Age Spots, Freckles, Sun-Damaged Skin, And Other Skin Pigmentation. Kojic Acid Was Discovered In Japan. It Is A By-Product Of Koji, Or Malted Rice, For Use In The Manufacture Of Rice Wine. In Cosmetics, Kojic Acid Is Popularly Known For Its Excellent Whitening Effects And Anti Oxidant Properties Benefits: * Kojie San Soap Is An All Natural (Non-Synthetic) Product. It Is The Basic Ingredient Of Kojic Acid * A More Recent Remedy For The Treatment Of Pigment Problems And Age Spots Along With Great Whitening Properties