UV fluorescent pigmentpalokha ilibe mtundu, ndipo itatha kuyamwa mphamvu ya kuwala kwa ultraviolet (uv-365nm kapena uv-254nm), imatulutsa mphamvu mofulumira ndikuwonetsa maonekedwe a fulorosenti.Pamene gwero la kuwala lichotsedwa, limasiya nthawi yomweyo ndikubwerera ku chikhalidwe choyambirira chosawoneka.