Abstract
Acne scars are common sequelae of adolescent acne and have many negative effects on patients. Scars can affect the aesthetics and psychology of patients, limiting social interaction and affecting success in life. The forms of acne scars are very diverse and complex. Each patient can have many scars associated with different degrees. Although there are many methods treatment, successfully treating acne scars is still challenging. Combinating dermal filler with other scar treatments (dermal subcision, laser fractional CO2, RF needle ...) accurately helping improve treatment effectiveness, minimizes side effects or complications due to treatment. Objective of the review is to classify acne scars and choose effective treatments for each type of scars. The method of applying fillers during scar treatment. Key words: Acne scar treatment, ice pick, box scar, rolling scar, subcision, filler