Kumurika neza
Optical Brightener Agent yagenewe kumurika cyangwa kuzamura isura yimyenda, ibifata hamwe na kashe itera ingaruka "yera" cyangwa guhisha umuhondo.
Urutonde rw'ibicuruzwa ：
| Izina ryibicuruzwa | Gusaba |
| Optical Brightener OB | Umuti ushingiye kumyenda, irangi, wino |
| Amashanyarazi meza DB-X | Byakoreshejwe cyane mumazi asize amarangi, impuzu, wino nibindi |
| Amashanyarazi meza DB-T | Amazi ashingiye kumazi yera na pastel-tone, amakoti asobanutse, irangi risize irangi hamwe nibifatika hamwe na kashe, |
| Amashanyarazi meza DB-H | Byakoreshejwe cyane mumazi asize amarangi, impuzu, wino nibindi |
Andika ubutumwa bwawe hano hanyuma utwohereze
