facial skin pimples acne different types on african american woman face pore comedones cosmetology skincare problems

concept skin dermis anatomy beauty care dermatology healthy human medical science medicine body disease skincare physiology acne bacteria problem infection papule pimples pustule type face facial inflammation pimple scar treatment comedone cosmetic cosmetology formation furuncle whitehead blackhead suture pastule nodule woman female girl dermatologists portrait infographic horizontal information towel african american