Visibly correct uneven skin tone and help reverse the look of post-acne marks with Neutrogena Stubborn Marks PM Treatment. From a dermatologist-recommended acne brand, this nighttime, dermatologist tested treatment supports skin's natural exfoliation process and complements cell turnover while you sleep. This nighttime treatment helps reverse the look of post-acne skin marks, improves clarity and evens skin tone. The clinically proven formula contains retinol SA, a stabilized form of vitamin A that helps visibly correct your complexion, so acne marks look less noticeable. The daily treatment formula is oil-, paraben-, phthalate-, dye- and fragrance-free. For best results, use the Neutrogena Stubborn Marks PM Treatment along with the Neutrogena Stubborn Acne AM Treatment as part of a dermatologist-recommended daily regimen for clear skin. The retinol helps clear a path for the benzoyl peroxide in the AM formula to effectively target acne-causing bacteria.