StriVectin Advanced Retinol Nightly Multi-Correct Serumis the brand's most potent retinol serum yet, designed to visibly transform skin while you sleep. Harnessing the proven power of retinol combined with advanced skin-strengthening technologies, this lightweight serum works overnight to target multiple signs of aging. In as little as 7 days, skin looks more refined, smoother, and radiant. With continued use, deep lines and wrinkles appear visibly diminished, firmness and elasticity are restored, and skin tone looks more even. The formula not only refines texture and minimizes the look of pores, but also boosts skin's natural luminosity for a revitalized, youthful complexion. Clinically proven to deliver significant improvements in fine lines, radiance, and overall skin appearance, this high-performance serum is suitable for nightly use and layers beautifully under moisturizer.