Leeposh Kojic Acid powder is used in many cosmetic formulations as a whitening lightening agent like for serums creams gel scrub Etc you can mix 1 gm of Kojic acid powder in your cosmetic products or make own serums or creams May help with skin lightening It gives skin a youthful glow It inhibits the production of melanin May help with hyperpigmentation Note Do not add the powder directly to the gel cream or lotion It needs to be dissolved in water first and then added to the gel cream or lotion Increase or decrease the percentage of kojic acid based on the sensitivity of your skin