An infrared light reflector having an infrared light reflective layer formed by polymerizing an infrared light reflective layer composition that contains a polyfunctional polymerizable compound, a cholesteric liquid crystal compound and a fluorine-containing alignment controlling agent in an amount of at least 60 ppm relative to the liquid crystal compound, wherein when a functional layer composition is applied onto at least one surface of the infrared light reflective layer, the number of the coating liquid cissing defects having a diameter of at least 5 μm is at most 10/m2.