The original kojic acid lightening soap, Kojie San's formulation blends effective whitening ingredients with nourishing coconut oil and a fresh orange fragrance. Kojic acid was discovered while processing rice for Japanese wines. The naturally derived ingredients in this soap have been proven to safely and quickly reveal even skin by reducing the appearance of dark spots, discoloration, and other imperfections*.  
Lather soap and apply to treatment areas. Leave the soap on for up to 30 seconds. Apply once per day and increase to twice a day if well tolerated. If dryness occurs follow with a moisturizing cream.