The US National Library of Medicine has concluded that daily use of Niacinamide (Vitamin B3) improves skin tone and texture.
The B vitamins niacinamide and panthenol have been shown to reduce many signs of skin aging, including hyperpigmentation and redness.
To measure the facial skin effects in Indian women of the daily use of a lotion containing niacinamide, panthenol, and tocopherol acetate using quantitative image analysis.
Pharmacy Mix has a post with a lot of good info on Vitamin B3 and how it can help you skin. Definitely worth a read!
“How Vitamin B3 Helps Your Skin:
There are 2 important enzymes (NADH and NADPH) that contribute to the production of cellular energy and lipids (responsible for cell growth). With a sufficient supply of both enzymes, your skin creates an effective barrier to external factors that influence the aging process. However, the levels of both NADH and NADPH decline as we grow older. When applied topically, vitamin B3 seems to reduce their rate of decline.”
You can learn more about Vitamin B3 at www.cloudvitamincream.com