Kojic acid powder is a highly sought-after, water-soluble active ingredient for cosmetic formulators creating skin-brightening serums, creams, lotions, and soaps.
Key Formulation Specs
INCI Name: Kojic Acid
Appearance: Off-white to pale yellowish crystalline powder
Solubility: Soluble in water, ethanol, and acetone; sparingly soluble in ether and ethyl acetate
Typical Usage Rate: 1% to 2% in finished formulations
Formulator's Edge
Mechanism: Acts as a powerful tyrosinase inhibitor to effectively target hyperpigmentation, age spots, and melasma.
Synergy: Pairs exceptionally well with antioxidants like Vitamin C (ascorbic acid) and alpha-arbutin to boost brightening efficacy.