GUERLAIN 1 oz. L'Or Radiance Concentrate with Pure Gold Gold radiance for a glowing complexion What It Does Guerlain l'Or is an embellishing make-up base sprinkled with pure 24-carat gold flakes. Like the most luxurious jewelry pieces, the precious flakes were crafted into ultra-sparkling and ultra-reflective particles, then dispersed in a hydrating smoothing gel. The complexion is beautified. It glows with divine and unfailing radiance. Skin is smooth, supple, and satiny, ready for perfect, .