What it is:A concealer that hides all imperfections and awakens the skin"s youthfulness with a single click of its magic wand brush.What it does:Guerlain"s new Precious Light Rejuvenating Illuminator hides all imperfections and awakens the skin"s youthfulness with a single click of its magic wand brush. This must-have makeup tool employs an exclusive double-sided Gold Radiance Pigment: The opaque side targets imperfections and dull zones, toning down the appearance of wrinkles, dilated pores, and pigment irregularities, while the golden side reflects light. It contains a blend of Myrrh Oil, known for its regenerating properties, and lifting and soothing Peptides, which together diminish fine lines and create smoother, softer skin that lasts.