L'Oréal Paris Xfiber Lash Mascara. Cosmetic product designed and formulated to contribute to the makeup of the eye area. The composition presents a groundbreaking technology with dual action, divided into 2 steps and 2 brushes. The first step provides a long-lasting black pre-base enveloping each eyelash for extreme volume. While the second distributes with long-lasting fibers from the tear to the outside for extreme length.