high-dose wrinkle serum visibly reduces the 4 signs of skin aging in just 2 weeks.* Gentle enough for nightly use, this serum features a 3.5% Retinoid Complex + Squalane to minimize the appearance of pores, smooth texture, even tone, and reverse the look of wrinkles. Dynamic Skin Retinol Serum delivers the benefits of a retinol while maintaining the health of the skin barrier.