Kojic AcidKojic AcidTyrosinase inhibitor for brightening.Typical concentration1-2%Products with this ingredient(3)HER HYNESS HER HYNESS 3D Power Acne Clear Gel 12mlHER HYNESS HER HYNESS 3D Power Acne Clear Gel 7mlMEDICUBE MEDICUBE Kojic Acid Turmeric Niacinamide Serum 30ml