1-fluid ounce of Neutrogena Stubborn Marks PM Treatment with Retinol, a dermatologist proven ingredient, to exfoliate and help reverse the look of post-acne marks and uneven skin tone This retinol treatment works nightly to support the skin's natural exfoliation process and complements cell turnover while you sleep. Helps to reverse the look of post-acne marks for improved clarity and a more even skin tone The clinically proven, non-comedogenic formula contains retinol SA, a stabilized, highly refined form of vitamin A that helps provide visible complexion correction. Plus, it's suitable for daily use This formula is free of parabens, oil, phthalates, dyes and fragrances. For best results, use this night treatment with the Neutrogena Stubborn Acne AM Treatment with Benzoyl Peroxide Our recommended regimen for stubborn acne & post-acne marks. When used together, the retinol helps release pore-clogging dead skin cells, giving the benzoyl peroxide in the AM formula a clear path to effectively target acne-causing bacteria