November 2009

Acne Classification

Acne is classified into three for treatment purposes: comedonal, inflammatory and nodulocystic. Comedonal acne is also commonly known as whitehead or blackhead. Whiteheads are closed comedones, or trapped sebum. Blackheads are open comedones, giving it a dark color. Inflammatory acne occurs when the bacteria present in trapped sebum (Propionibacterium acnes) produces enzymes that stimulate the [...]