Cystic acne is considered by many dermatologists to be one of the most severe forms of acne lesions. As certain hormones increase in the body, the body’s oil glands react by producing an excessive amount of sebum. So much sebum forms under the skin that the excess forms into nodules. The nodules later harden into painful cysts and rupture because they unable to release through the small pores in your skin. This causes much pain and irritation.
Acne is caused from excess oils on the skin that build up and form lesions called pimples. The back and chest are two areas where it is common to form acne. By the way, back acne is “affectionately” known as “bacne”.