Therapeutic approaches to reducing atrophic acne scarring.

Atrophic acne scars are a common and undesirable outcome of acne vulgaris related to both its severity and delay in treatment. Such scars can be classified according to the depth and shape of the collagen loss: ice pick, boxcar, or rolling. The presence of atrophic acne scars can compromise the self-esteem and psychologic well-being of patients, creating a challenge for both the patient and the dermatologist.