Supports healthy dilation of blood vessels and brings blood to the surface of the skin, increasing blood circulation in the scalp. Necessary for proper circulation, healthy skin, and proper functioning of the nervous system. Niacin can also strengthen hair, so it breaks less easily. Profollica has been formulated to contain enough Niacin to increase blood circulation in the scalp without producing the embarrassing “niacin flush” across your entire body and face.