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This complete list of acne types complements Lydia Sarfati's article "Understanding Acne" from the February 2009 issue of Skin Inc. magazine.
Acne conglobata. Severe hereditary acne that generally causes scarring on the face and back. It appears as irregularly joined nodules which are hard at earlier stages, and then are soft and fluid.
Acne cosmetica. A condition caused by comedogenic ingredients found in hairstyling products, conditioners, certain sunscreens and makeup. Acne cosmetica lesions are of the same shape and size, and can be avoided by switching to noncomedogenic products.
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