inflamed acne on the skin. inflamed pimple. the structure of the skin. acne scar. infographics. on

acne anatomy bacteria beauty biology blackhead body care cell collagen comedo cosmetology dermatology dermis deterioration diagram disease drawing epidermis face facial follicle furuncle gland health healthy human hypodermis illustration infection inflamed inflammation infographics layer medical medicine papule pimple pore problem pus pustule scar skin structure surface tissue treatment vector young