KOJIC ACID powder is water soluble. It promotes skin whitening and prevents dark spots. It evens out the skin tone and can be used in combination with other products to make cosmetics, make up, lotions and creams. APPLICATIONS: All kinds of skin-lightening products including Cosmetic Grade Kojic acid powder used as a raw material for your cosmetic brand or DIY use to make products such as facial mask, face and body scrubs, lotions, creams, moisturizers, serums, hair and skin care products, pressed powders, liquid foundation, mascara, deodorant soap, shampoo making and many more beauty and make up products. USES: Recommended concentration 1-3%. Add to warm (25°C-40°C) water phase of formula. It can oxidize and lose some of its activity if put into hot water (>40°C/104°F). Can be combined with other skin lighteners. FREE FROM HARMFUL INGREDIENTS: Purenso Kojic Acid Powder is pure with no additives and fillers. It is non-toxic and free from sulfur & parabens.