Cyanocobalamin 0.07% to 1% Topical Cream
Cyanocobalamin is a prescription and over-the-counter (OTC) man-made form of vitamin B12 used to prevent and treat low blood levels of vitamin B12. It is also used to treat atopic dermatitis, which is itchiness and redness of the skin, and can be chronic (long lasting).
Apply to affected area 2-3 times daily.