Vitamin B1 and B2 are critical for cellular energy production. A deficiency can lead to dermatitis, especially around the nose and the corners of the mouth.
Vitamin B3 (Niacin) increases the cellular energy needed to repair free radical damage. It has been known to slow photo-
Vitamin B6 and B2, similar to selenium, are important in the synthesis of prostaglandin hormones, which determine the smoothness and texture of the skin. A deficiency will cause dry, rough skin.
Vitamin B12 is essential for a variety of processes in the cells. It has been used to treat psoriasis and seborrheic dermatitis.