Introducing Kojic Acid Soap: A Natural, Gentle, and Effective Skincare Solution. Kojic Acid Soap is a unique and innovative skincare product that combines the natural benefits of kojic acid with the nourishing properties of soap. It is made with natural ingredients and is free from harsh chemicals, artificial fragrances, and dyes. This gentle, non irritating formula is designed to provide a range of benefits for the skin, making it an ideal solution for those looking to improve their overall skin health. Kojic acid is a natural, water soluble compound that is derived from the fungus Aspergillus oryzae. At Fantabulous Beauty, we’re committed to providing only the highest quality skincare products that are backed by science and proven effective.