How Kojic Acid Annihilates Hyperpigmentation

Need to get your skin glowing and even-toned in two weeks without any fancy in-office treatments? Consider adding kojic acid to your skin-care routine. According to cosmetic chemist Ginger King, the powerful ingredient targets and inhibits the production of melanin to diminish dark spots and brighten skin in that exact time frame. 

Compared to retinol (four to six weeks) and tranexamic acid (eight to 12 weeks), kojic acid’s melasma-fighting magic works basically in a blink of an eye. But how does it do it? We asked King, as well as board-certified dermatologists, to share the secrets behind kojic acid’s speedy, hyperpigmentation-busting benefits


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