Kojic Acid (2-Hydroxymethyl-5-Hydroxy-(-Pyrone;5-Hydroxy-2-(Hydroxymethyl)-4-Pyrone) SpecWhite® KA is primarily used to whiten a person’s skin, aiming at freckles, senile plaque, pigmentation and acne. Compared to other whitening surfactants, Kojic Acid has a better tyrosine enzyme inhibition effect. It can act as a melanin inhibitor, an antioxidant, a bacteriostat, a metal chelating agent and an intermediate in synthesis.

曲酸（2-羟甲基-5-羟基 - （ - 吡喃酮; 5-羟基-2-（羟甲基）-4-吡喃酮）SpecWhite®KA主要用于美白人的皮肤，针对雀斑，老年斑，色素沉着和痤疮，与其他美白表面活性剂相比，曲酸具有更好的酪氨酸酶抑制作用，可作为黑色素抑制剂，抗氧化剂，抑菌剂，金属螯合剂和合成中间体。