Cystic acne is a type of abscess that is formed when oil ducts become clogged and infected. Cystic acne affects deeper skin tissue that forms more superficial inflammation from common acne. Cystic acne is most common on the face and typically occurs in the teenage years. Regrow Hair Protocol Not only are cystic acne breakouts painful, but the extent of damage they are capable of inflicting often goes beyond the reach of topically applied products. A bacterium, known as Propionibacterium acnes, is a normal denizen of the skin. This bacterium uses sebum as a nutrient for growth, therefore increases in follicles during puberty. It is said by the doctors that people with acne have more Propionibacterium acnes in their follicles than people without acne.
Now after reading all this it is pretty clear that the root formation of acne is within the sebaceous follicle, which is basically a hair follicle with attached oil glands. Androgens increase sebum production markedly. Hence this is the reason why rate of cystic acne formation increases in puberty because the hormones increase the sebum productio.
http://toshkoraychevprofitsystemreviews.com/regrow-hair-protocol-review/