PETERTHOMASROTH Goodbye Acne™ Complete Acne Treatment Gel is a potent and unique formula that clears, prevents, treats and calms for complete results. 2% Salicylic Acid clears active acne and helps prevent future breakouts, while 1% Time-Released Microencapsulated Retinol and Vitamin C help treat the look of post-acne marks and Aloe Vera helps calm the look of acne irritation.