(BQ) The following will be discussed in this part: Classification of acne scars: clinical and instrumental evaluation, pathophysiology of acne scars, topical drugs for prevention and treatment of acne scars, superficial peeling, medium-depth and deep peeling, microdermabrasion and dermabrasion, fillers for acne scarring, skin needling in acne scars. | Acne Scars Classification and Treatment - Part 1