L'Oreal Paris True Match Hyaluronic Tinted Serum Foundation Makeup, 3-4 Light-Medium, Makeup Skincare = The Perfect Match. Introducing New True Match Nude Hyaluronic Tinted Serum foundation by L'Oreal Paris - The 1st tinted serum with 1 percent Hyaluronic Acid. With this tinted serum skin instantly looks brighter, even and feels hydrated for a nude, radiant finish. The 1% Hyaluronic acid gives skin a hydrated feel and smooths over time, while the luminous mineral pigments provide lightweight coverage for a brightened complexion. Available in 14 nude, radiant shades that blend to match a variety of skintones.