Hari abantu bibaza niba ibitanda byo gushushanya bikoresha "urumuri rw'izuba" cyangwa niba izuba ubwaryo rikora kimwe n'ibitanda byo gushushanya. Igisubizo ni oya - ibitanda byo gushushanya ntibikoresha urumuri rw'izuba rusanzwe. Ahubwo, bakoresha amatara y'ubukorano ya ultraviolet (UV) agenewe kwigana ibice bimwe na bimwe by'imirasire y'izuba.
1. Itara ry'izuba ugereranije n'iry'uburiri bwo gukaraba
Izuba: Ritanga uruvange karemano rwa UVA, UVB, n'urumuri rugaragara. Imirasire ya UVB ifasha umubiri gukora vitamine D, mu gihe imirasire ya UVA yinjira cyane mu ruhu igatera ibara ry'uruhu no gusaza.
Imirongo yo Gutera Izuba: Koresha amatara akomeye cyane asohora imirasire ya UVA (hafi 95%) n'umubare muto wa UVB (hafi 5%). Uru ruvange rurakomeye kandi rufite imbaraga nyinshi kurusha imirasire y'izuba isanzwe.