Kojic Acid
Kojic Acid, a topical compound. Fungal metabolite (Aspergillus oryzae — koji rice fermentation). Chelates copper at tyrosinase active site → inhibits melanin…
Fungal metabolite (Aspergillus oryzae — koji rice fermentation). Chelates copper at tyrosinase active site → inhibits melanin synthesis. Less effective but less irritating than hydroquinone; paired with azelaic acid / glycolic acid in fading stacks.