Goldfaden MD Brightening Elixir Serum Protect and Repair, helps aid against the appearance of photoaging and free radical damage, while leaving skin feeling hydrated and looking radiant. This item is part of BeautySpace NK, your destination for in-demand brands & future obsessions. Increases radiance and improves appearance of skin color and tone. Minimizes the appearance of fine lines. Increases radiance and improves appearance of skin color and tone.