If you’ve tried all the typical acne fighting ingredients — salicylic acid, benzoyl peroxide, and even retinol — and haven’t seen results, it might be time to try tretinoin, a powerful acne-fighting ingredient that dermatologists love. A derivative of vitamin A, the main ingredient in both the controversial acne treatment Accutane and popular retinol creams, tretinoin is a prescription-strength topical that has previously only been available via a trip to the dermatologist.
