Acne Scars Home A-Z Health Information Health Library A-Z Acne Scars Overview Acne scars are the result of inflammation of acne blemishes, leading to permanent textural changes in the skin. Types Atrophic scars: These are sunken or “pit” like scars that occur when the skin does not regenerate tissue properly, resulting in a loss of collagen and tissue Ice pick, boxcar, and rolling scars.Hypertrophic scars: These are raised scars, wide and thickened, that form as a result of excessive collagen production where the skin is injured. Symptoms Sunken or elevated scars on the skin. Causes Severe acnePicking or squeezing pimplesDelayed treatment Diagnosis Visual assessment by a dermatologist. Treatment Laser treatments (Clear + BrilliantHarmony XL Pro)MicroneedlingFillersPRP, depending on the cause