Anecdotal reports vary, but some individuals mention mild headaches, anxiety, or an overstimulated feeling
Current Pharmaceutical Design , 20(7), 11211125
They are not approved for human consumption or therapeutic use
Reduce to a tolerable dosage if adverse effects occur
Heres what makes it particularly valuable in a face wash: Targets stubborn, localized dark spots that broader-spectrum brighteners might miss Works effectively even at low concentrations (0.52%), minimizing irritation risk Has a proven track record in treating melasma, age spots, and sun damage Pairs beautifully with Vitamin C, enhancing overall brightening efficacy A Word of Caution About Kojic Acid Kojic acid can cause contact dermatitis in some individuals, particularly those with sensitive or compromised skin barriers
Lamantia V, Bissonnette S, Beaudry M, et al