NWOB, and never opened. The innovative oil formula rewinds the clock while you sleep—but without any of the irritating side effects. Retinol is the most effective anti-aging ingredient out there! It works on a cellular level to increase collagen and elastin production—two proteins that keep skin soft, plump, and firm.Cell turnover—your skin’s natural renewal process—gets kicked into high gear every time you use this oil. That means smaller pores, smoother texture, and a brighter tone.