Kojie San has a natural kojic acid formula that eliminates dark spots from acne, age spots, freckles, sun-damaged skin spots and other pigmentations. the skin. A combination of kojic acid that reduces the formation of melanin and high-quality coconut oil that deeply moisturises the skin, Kojie-san is the first kojic acid soap used in the Philippines. On black and mixed skin, kojic acid inhibits pigmentation. Kojic acid has been discovered in Japan. It is a by-product of koji production or malt rice for use in the production of Japanese rice wine. In cosmetics, kojic acid is widely known for its excellent bleaching effects and antioxidant properties.