THE SINGLE FOLLICLE AND THE FOLLICULAR ISLANDS At the base of the follicle is the papilla, which contains the capillaries, or tiny blood vessels that nourish the cells. The vital part of the hair is that which surrounds the papilla at the deepest level and is called the “bulb”. But individual follicles aren’t the only … Continue reading Crescina Transdermic Follicular Islands Hb 177