A seat assembly for use in an automotive vehicle includes a frame assembly for supporting a seat occupant in the vehicle, a foam pad supported by the frame assembly, and a trim cover covering the foam pad. A noise reduction coating is applied to the foam pad between the foam pad and the frame assembly to reduce noise from movement therebetween. The noise reduction coating includes a fluorescent additive from the group consisting of: vitamin A, thiamine, niacin, riboflavin, vitamin B-12, gypsum, talc, opal, agate, quartz, amber, chlorophyll, quinine, n-propanol, n-butanol, diacetone alcohol, xylene, and cresol.