What it is: A generous, rich serum that revitalizes and enriches skin, leaving it with an unprecedented glow. What it does: Inspired by the beauty of the golden hour in the Swiss alps, La Prairie seeks to recreate its unique radiance and impart it to skin as if lit form within with the Pure Gold collection. Infused with La Prairie's proprietary Pure Gold Diffusion System and the Exclusive Cellular Complex, this serum is designed to smooth the skin and refine its texture, revitalize its appearanc