Combined 0.1% retinaldehyde/ 6% glycolic acid cream in prophylaxis and treatment of acne scarring.

Background: Acne often results in permanent, badly tolerated, difficult to treat scars.

Objective: To evaluate the efficacy and safety of a 0.1% retinaldehyde/6% glycolic acid (RALGA) cream at preventing and treating acne scarring in patients previously treated for moderate acne.