100% Natural GuaranteeRice Essence Vitamin B3 (Niacinamide) Powder for Even Skin Tone, Skin Lightening , Pure 99.5% Product descriptionEach Sealed Bag Size: 100 Gram /3.4 OzEXP : 05/2024Niacinamide is one of the two forms of vitamin B3 (the other is niacin) and can be found in many foods including yeast, meat, fish, milk, eggs, green vegetables, beans, and cereal grains. Water-soluble form of niacin, an essential vitamin of the B group, known as vitamin B3. Purity 99-100%. Add to water phase of formula or directly into a finished cream or cream base. Typical use level is 1-6 %, with 5% being a typical and effective concentration. Avoid adding to an acidic product, ideal final pH of product should be 6. Should not be combined with l-asorbic acid. It can hydrolyze and form nicotinic acid at higher or lower pH, which can result in skin irritation. For external use only. Fast FREE shipping !Pet FREE smoking FREE room !