CAS: 98-92-0 INCI: Niacinamide Chemical Structure: * Niacinamide, also known as nicotinamide or Vitamin B3, is an amide of niacin (nicotinic acid). * Its chemical structure includes a pyridine ring with an amide group. Physical Form: * Niacinamide is typically found as a white, crystalline powder. Function and Uses: * Skin Barrier Support: Niacinamide is known for its ability to strengthen the skin barrier, helping to retain moisture and protect against environmental stressors. * Anti-Inflammatory: It possesses anti-inflammatory properties, making it effective in calming and soothing irritated skin. * Hyperpigmentation Treatment: Niacinamide is known to inhibit the transfer of melanosomes (pigment-containing cells) to skin cells, making it beneficial for addressing hyperpigmentation and promoting an even skin tone.