Niacinamide
Niacinamide: A B vitamin that improves aging facial skin appearance Donald L Bissett 1, John E Oblong, Cynthia A Berge Affiliations expand PMID: 16029679 DOI: 1111/j.1524-4725.2005.31732 Abstract Background: In multiple chronic clinical studies, topical niacinamide (vitamin B3) has been observed to be...