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 RY'IGICURUZWA | Gusaba |
| Optical Brightener OB | Igishishwa gishingiye kumyenda, irangi, wino |
| Amashanyarazi meza DB-X | Byakoreshejwe cyane mumazi ashingiye kumarangi, gutwikira, wino nibindi |
| Amashanyarazi meza DB-T | Amazi ashingiye kumazi yera na pastel-tone, amakoti asobanutse, irangi rirenga hejuru hamwe na kashe hamwe na kashe, |
| Amashanyarazi meza DB-H | Byakoreshejwe cyane mumazi ashingiye kumarangi, gutwikira, wino nibindi |
Andika ubutumwa bwawe hano hanyuma utwohereze
