Hair Anatomy NYC - (212) 644-6454 - New York, NY

New York Dermatology 30 East 60th Street (Park/Madison) 8th Floor Suite 805 New York, NY The follicle is a stocking-like structure that contains several layers with different jobs.  212.644.6454 A muscle called an erector pili muscle attaches below the gland to a fibrous layer around the outer sheath.  The follicle is surrounded by two sheaths - an inner and outer sheath.  The next layer is the cortex and the outer layer is the cuticle.  The cells in the bulb divide every 23 to 72 hours, faster than any other cells in the body. 212.644.6454