Sunblock vs Sunscreen
Puam, tawv nqaij thiab lub hnub feem ntau mus ua ke tshwj xeeb tshaj yog thaum lub caij ntuj sov. Txawm tias nyob rau hauv peb hnub los ntawm kev ua ub no, lub hnub lub rays ib txwm txhawj xeeb peb. Tej zaum cov no yog cov laj thawj vim li cas cov khoom siv tshuaj pleev thaiv hnub thiab tshuaj pleev thaiv hnub nrov heev. Txawm li cas los xij, peb feem ntau tsuas yog tsis paub tias cov khoom tiv thaiv hnub ci no txawv ntawm ib leeg.
Yog tias koj xav tau kev tiv thaiv tag nrho los ntawm lub hnub lub teeb rays, sunblock yog qhov kev daws teeb meem zoo tshaj plaws uas koj tuaj yeem siv rau koj cov tawv nqaij. Sunblock, zoo li qhov tau hais los ntawm lub npe, tag nrho thaiv cov UV rays los ntawm kev nkag mus rau hauv daim tawv nqaij. Sunblocks feem ntau yog siv los ntawm cov neeg uas ib txwm nrog dej hauv qab lub hnub zoo li cov neeg caij nkoj, cov neeg dhia dej thiab cov neeg ncaws pob uas tab tom ntsib qee qhov xwm txheej uas tau tuav ntawm ntug hiav txwv dej thiab chaw so. Qhov no yog vim cov tshuaj tiv thaiv hnub ci tsis ntxuav tawm yooj yim tso cai rau cov neeg no tau txais txiaj ntsig zoo yam tsis tau siv rau ntawm daim tawv nqaij ib zaug ntxiv.
Ntawm qhov tod tes, yog tias koj xav tau kev tiv thaiv los ntawm qhov tsis xav tau ntawm lub hnub lub hnub ci ultraviolet tab sis xav kom tanned, ces cov tshuaj pleev thaiv hnub yog tsim rau koj. Cov khoom no tsuas yog lim lub hnub lub teeb uas tab tom los yog li muaj qhov ua tau zoo rau qee qhov ntawm cov hluav taws xob ultraviolet kom dhau.
Muaj ntau yam laj thawj vim li cas peb tiv thaiv peb cov tawv nqaij los ntawm cov kab hluav taws xob ultraviolet. Ob peb ntawm cov laj thawj yog ntshai ntawm cov tawv nqaij qhuav, khaus khaus thiab ua rau lub hnub poob qis thiab qhov phem tshaj plaws, mob qog noj ntshav. Paub txog kev daws teeb meem dab tsi yog qhov kev nkag siab zoo tshwj xeeb tam sim no uas cov neeg lag luam tsuas yog muag thiab qhia koj cov khoom uas tuaj yeem txhawb koj txoj kev txaus siab yam tsis tau piav qhia dab tsi, vim li cas thiab cov khoom no tuaj yeem cuam tshuam rau koj txoj kev noj qab haus huv. Kev sib txawv ntawm cov tshuaj pleev thaiv hnub los ntawm cov tshuaj pleev thaiv hnub tseem ceeb tshwj xeeb tshaj yog rau cov neeg uas feem ntau nthuav tawm lawv tus kheej rau lub hnub rau ntau yam laj thawj. Qhov sib txawv tuaj yeem txiav txim tau yooj yim los ntawm lawv cov ntawv. Sunblock khoom yog ib txwm denser piv rau cov tshuaj pleev thaiv hnub vim lawv cov khoom zinc oxide. Cov neeg uas tab tom khaws qee cov nyiaj ntsuab nyiam cov tshuaj pleev thaiv hnub vim tias, nrog me me, nws tuaj yeem ua rau koj lub cev tag nrho. Cov kev daws teeb meem uas muaj SPF ntawm lub ntim yog qhov tshuaj pleev thaiv hnub. Sun Protection Factor (SPF) ntawm cov khoom siv tshuaj pleev thaiv hnub yuav qhia koj tias qhov kev daws teeb meem zoo npaum li cas hauv kev lim lub hnub ci.
In luv:
1. Cov tshuaj tiv thaiv tshav ntuj thiab tshuaj pleev thaiv hnub yog tsim los tiv thaiv peb cov tawv nqaij los ntawm cov teeb meem ultraviolet rays coj los ntawm cov teebmeem ntawm peb cov txheej txheem ozone diluting.
2. Sunblock thiab tshuaj pleev thaiv hnub yog siv ncaj qha rau ntawm daim tawv nqaij ua ntej raug tshav ntuj.
3. Sunblocks feem ntau yog nplaum thiab denser thaum cov tshuaj pleev thaiv hnub feem ntau yog ua kua.
4. Sunblock solutions thaiv lub hnub rays tag nrho thaum cov tshuaj pleev thaiv hnub tso cai rau me ntsis nkag mus rau qhov ua rau tanning.
5. Cov khoom siv tshuaj pleev thaiv hnub tuaj yeem tiv taus dej thaum cov tshuaj pleev thaiv hnub tuaj yeem ntxuav tawm los ntawm dej lossis tawm hws yooj yim
