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Overview. Acne is a skin condition characterized by clogged pores. When pores get clogged, it causes red lesions — which you know as pimples — to form on the face or other areas of the body ...
Being open to the air causes oxidation of the melanin pigment, which turns it black. [9] [2] Cutibacterium acnes is the suspected infectious agent in acne. [3] It can proliferate in sebum and cause inflamed pustules (pimples) characteristic of acne. [3] Nodules are inflamed, painful, deep bumps under the skin. [3]
There are many reasons your face might be swollen. It might go away on its own, or you might need treatment. Doctors say you should watch your symptoms.
Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during infections, regardless of cause. [ 1 ] [ 2 ] An accumulation of pus in an enclosed tissue space is known as an abscess , whereas a visible collection of pus within or beneath the epidermis is known as a pustule , pimple or spot.
Red and blue LED treatments: a form of light therapy that helps kill acne-causing bacteria on the skin (that’s the blue light) and reduce inflammation (red light). Even though LED is painless ...
PDT treats acne by using various forms of light (e.g., blue light or red light) that preferentially target the pilosebaceous unit. [106] Once the light activates the sensitizing substance, this generates free radicals and reactive oxygen species in the skin, which purposefully damage the sebaceous glands and kill C. acnes bacteria. [106]