Labels:daily OCR: OI1 GLAND OR SEBACEOUS, glands ire punoy in your skin. They produce an oily substance, called sebum. which IS released mainly into your hair follicles but also onto some parts of your skin. When sebum IS released into hair follicle disperses along the shaft of the hair to the skin' surface softens hair and skin and makes the skin wa terproof In puberty sebum production often increases because ofa change in the levels of sex hormones. hair follicle that is blocl ked by sebum may become infected with bacteria found relea blocked
