skin problems. girl closse up face with different types of acne pimples. facial treatments and problems

acne anatomy bacteria bad biology blackhead body breakthrough cell comedo cosmetology dermis deterioration drawing epidermis face fat follicle furuncle gland health healthy human hypodermis illustration infection inflamed inflammation infographics layer leather loupe magnifier medical medicine papule people pimple pus pustule sebaceous sebum skin stage structure surface tissue treatment types vector