What acne looks like

Acne is whitehead acne and blackhead acne mainly occurs on the face, chest and back, etc. Due to the local blockage of sebaceous gland secretion, the keratinized cells of hair follicle wall fall off, resulting in the blockage of sebaceous gland ducts and the formation of dissociative rash, which is the earliest rash formed by acne. Whitehead acne is more common in adolescence closed acne, is pale white nodules without obvious hair follicle opening, surrounded by redness, blackhead acne is more common in adolescence, for the development of open acne, manifested as dome-shaped papules, with significant expansion of hair follicle opening, melanin and ester oxidation may be the reason for its presentation of black, more common.