Niacinamide: A B Vitamin that Improves Aging Facial Skin Appearance July 2005 in “Dermatologic surgery” Donald Bissett, John E. Oblong, Cynthia A. Berge This study is being processed and will be analyzed soon. View this study on journals.lww.com → https://pubmed.ncbi.nlm.nih.gov/16029679 https://doi.org/10.1111/j.1524-4725.2005.31732
