Optical Brightener Agent igenewe gukangura cyangwa kongera isura y'ibirahure, kole n'ibifunga bitera ingaruka zo "kwera" cyangwa guhisha umuhondo.
Urutonde rw'ibicuruzwa:
| Izina ry'igicuruzwa | Porogaramu |
| Imashini ikoresha urumuri (Optical Brightener OB) | Gusiga irangi, irangi, wino bishingiye ku gushonga |
| Ikirahure cy'urumuri gikoresha ikoranabuhanga rya Optical Brightener DB-X | Ikoreshwa cyane mu marangi ashingiye ku mazi, gusiga irangi, irangi n'ibindi |
| Ikirahure cy'urumuri gikoresha ikoranabuhanga rya Optical Brightener DB-T | Amarangi y'umweru n'amabara y'umutuku ashingiye ku mazi, amabara asobanutse neza, varnishes zikozwe mu biti n'amakofi n'ibifunga, |
| Ikirahure cy'urumuri gikoresha ikoranabuhanga rya Optical Brightener DB-H | Ikoreshwa cyane mu marangi ashingiye ku mazi, gusiga irangi, irangi n'ibindi |