Yog tias koj tsis' tsis suav nrog qhov cuam tshuam ntawm ultraviolet rays thiab ib puag ncig, lub hnab loj tuaj yeem khaws cia sab nraum zoov. Txhua lub hnab muaj ib teev twg&"ultraviolet &" qib, feem ntau yog txog 1600 teev, tab sis qhov no yuav txawv nyob ntawm huab cua thiab qhov deb ntawm lub hnub nyob ib puag ncig lub ntiaj teb. Thaum cov neeg siv khoom xav tau, peb ntxiv rau cov ntaub Nrog UV inhibitors. Txawm hais tias qhov no muab sijhawm tiv thaiv UV tsawg, nws tseem pom zoo kom khaws lub hnab loj hauv ib puag ncig tiv thaiv.
