I-pigment ye-UV fluorescentngokwayo ayinambala, kwaye emva kokufunxa amandla okukhanya kwe-ultraviolet (uv-365nm okanye i-uv-254nm), ikhupha ngokukhawuleza amandla kwaye ibonise umphumo ocacileyo wombala we-fluorescent.Xa umthombo wokukhanya ususiwe, uyayeka ngokukhawuleza kwaye ubuyele kwindawo yokuqala engabonakaliyo.