L'Oreal Paris Glycolic Bright Instant Glowing Face Serum: the end of dullness, uneven texture, and dark spots. This serum was designed by the French beauty company L'Oreal Paris with glycolic acid, a powerful yet gentle exfoliant. This review goes deeply into the benefits that can be expected from L'Oreal Glycolic Bright Serum, why you want to get your hands on glycolic acid, and how you can use it to achieve some of the best possible results. With this serum, you are going to end up looking at instantly brighter, more radiant skin and improve the skin texture of your skin over time.