Uduce twegereye equator cyangwa ahantu harehare cyane dufite imirasire ikomeye ya ultraviolet. Kwibasirwa n'imirasire ya ultraviolet igihe kirekire bishobora gutera ibibazo nko gutwikwa n'izuba no gusaza k'uruhu, bityo kurinda izuba ni ingenzi cyane. Imiti irinda izuba iboneka ahanini binyuze mu buryo bwo gutwikira umubiri cyangwa gukoresha imiti ikoreshwa mu gukurura.

Ibi bikurikira ni bimwe mu bintu bikunze gukoreshwa mu kwisiga izuba.

① Umubare muto usobanura ko iki kintu gifite umutekano mwinshi.

Uburyo bwo kwisiga izuba hakoreshejwe imiti ni ukwinjizwa no guhinduka. Ibintu bikomoka ku bimera biri mu miti bishobora gukurura ingufu z'imirasire ya ultraviolet bikayihinduramo ingufu z'ubushyuhe cyangwa ubwoko bw'urumuri rutagira ingaruka mbi. Ubu buryo bwo gukora busaba ko habaho imikorere ya shimi ku ruhu, bityo bimwe mu bintu bigize imiti bishobora gutera umujinya cyangwa allergie ku ruhu. Ariko, imiti irinda izuba muri shimi ubusanzwe igira ubushobozi bwo kuguma no kwinjira neza, igakora uruhu rufite agahu gakomeye kandi gakingira ku ruhu, bigatanga ingaruka nziza zo kurinda izuba.

Isosiyete yacu itanga imiti itandukanye igabanya ubushyuhe bw'imirasire y'urumuri (UV absorbers) ku ndwara z'uruhu/ibicuruzwa byita ku ruhu/ubwiza, ikurikiza amahame menshi yo kwisiga n'imiti. Uzahabwa igisubizo mu masaha 48 nyuma yo kubazwa.