What is niacinamide and how does it work? Niacinamide (also known as nicotinamide) is a topical form of niacin or vitamin B3 that's often used in the treatment of rosacea or redness, wrinkles ...
Learn more Niacinamide (or the artist formerly known as vitamin B3) is a do-it-all ingredient that helps a variety of skin types. Rosacea-prone? Niacinamide can help soothe red patches.