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Acne (/ˈækni/ ACK-nee), also known as acne vulgaris, is a long-term skin condition that occurs when dead skin cells and oil from the skin clog hair follicles. [10] Typical features of the condition include blackheads or whiteheads, pimples, oily skin, and possible scarring.
Folliculitis is the infection and inflammation of one or more hair follicles.The condition may occur anywhere on hair-covered skin.The rash may appear as pimples that come to white tips on the face, chest, back, arms, legs, buttocks, or head.
Acne fulminans (also known as "acute febrile ulcerative acne" [1]: 686 ) is a severe form of the skin disease, acne, which can occur after unsuccessful treatment for another form of acne, acne conglobata.
A case of hidradenitis suppurativa Hidradenitis suppurativa can take the form of growths on the skin that are extremely painful and debilitating.. Hidradenitis suppurativa (HS), sometimes known as acne inversa or Verneuil's disease, is a long-term dermatological condition characterized by the occurrence of inflamed and swollen lumps.
Cutibacterium acnes bacteria predominantly live deep within follicles and pores, although they are also found on the surface of healthy skin. [3] In these follicles, C. acnes bacteria use sebum, cellular debris and metabolic byproducts from the surrounding skin tissue as their primary sources of energy and nutrients.
Debridement is the medical removal of dead, damaged, or infected tissue to improve the healing potential of the remaining healthy tissue. [2] [3] Removal may be surgical, mechanical, chemical, autolytic (self-digestion), or by maggot therapy.
Others remove the dead layers of the skin and may help clear blocked pores. [2] [3] [4] Dermatologists can often extract open comedones with minimal skin trauma, but closed comedones are more difficult. [3] Laser treatment for acne might reduce comedones, [17] but dermabrasion and laser therapy have also been known to cause scarring. [10]
Acne mechanica is an acneiform eruption that has been observed after repetitive physical trauma to the skin such as rubbing, occurring from clothing (belts and straps) or sports equipment (football helmets and shoulder pads).