Advanced Retinol Concentrated Serum is a silky, fast-absorbing layering treatment that combines Retinol and patented NIA-114™ to fight major signs of aging. This potent, ultra-lightweight serum delivers the unsurpassed performance of Retinol, supercharging any skincare routine and delivering the anti-aging potency of Retinol without the harsh side effects. It"s clinically proven to minimize the appearance of fine lines and even out skin tone for a more radiant complexion. As it smoothes and firms, it diminishes the appearance of pores and imperfections for more youthful looking skin.