This is high purity cosmetic grade upto 99.9% kojic acid powder. Pure Kojic Acid Powder Skin Whitening Bleaching lighten for Lotion cream soap fluid We are kojic acid manufacturer directly selling on Ebay, and export thousands of kgs to USA and other countries. Appearance: Exactly like the Image Showing. WARNING: Stay away from the pure white powder kojic acid which is totally fake. The suggested using quantity is 0.5%-2%, for example, 1 gram powder with 100g or 50g water/lotion/cream or even purifed water. How to apply? 1. take a weight in between 0.5-2 gram. 2. put it into lotion or cream to mix. Or you can simple put this kojic acid into a purified water, then on your skin directly. Whitening skin: restraining the melanin Kojic acid is the clean and water-soluble active ingredient and can accelerate skin to whiten, and suitable for any skin.It gets quick whitening functions. Kojic acid Main Function: 1. Skin lighten,Whiten and dispell fleck, 2. Prevent ultraviolet radiation. Kojic acid can effectively inhibit the formation of melanin and the hyperpigmentation which caused by ul traviolet radiation. So it can be used to whiten skin, prevent the production of fliver spots and freckles, treat sunburn and regulate melanogenesis. b. Application Methods: Added to advanced cosmetics which function is lightening skin, sunscreen and dispelling freckle. c. Reference Addition:0.5~2%