UVA&UVB&Broad Spectrum

Txhawm rau kom nkag siab txog kev tiv thaiv UV, ua ntej koj yuav tsum paub qhov txawv ntawm UVA thiab UVB sab, uas tsuas yog ib feem ntawm qhov pom ntawm lub teeb tawm ntawm lub hnub - thiab nws muaj qhov yooj yim kom nco ntsoov yuav ua li cas lawv cuam tshuam rau daim tawv nqaij. Cov UVA raug suav tias yog cov laus "laus" vim tias lawv tuaj yeem ua rau koj daim tawv nqaij ntxov ntxov los ntawm kev ua rau daim tawv nqaij ua pob thiab tsis pom kev zoo, thiab cov duab ntxoo no tuaj yeem nkag mus rau iav. UVB rays yog lub "kub", thiab cov duab hluav taws xob tsis nkag mus tob rau iav. Txawm li cas los xij, ib qho uas UVA thiab UVB sib xyaw muaj ntau yog tias kev sib koom tes rau ob qho tib si tuaj yeem ua rau mob qog nqaij hlav rau txhua hom tawv nqaij thiab haiv neeg. Vim li no nws yog qhov tseem ceeb rau koj kom siv cov khoom tiv thaiv tshav tiv thaiv tshav ntuj uas tuaj yeem pab tiv thaiv koj cov tawv nqaij tiv thaiv ob sab UVA thiab UVB.