Yog tias koj tab tom npaj siv lub txaj tanning, tej zaum koj yuav xav paub seb koj puas yuav tsum siv SPF lossis tshuaj pleev thaiv hnub thaum koj siv. Qhov no yog ib lo lus nug uas neeg feem ntau nug, tshwj xeeb tshaj yog rau cov neeg pib tshiab uas txhawj xeeb txog kev tiv thaiv lawv daim tawv nqaij thaum tseem ua kom daim tawv nqaij tan. Yuav kom teb tau lo lus nug no kom raug, nws yog ib qho tseem ceeb kom nkag siab tias SPF ua haujlwm li cas thiab nws cuam tshuam li cas rau cov txheej txheem tanning.
SPF, lossis Sun Protection Factor, yog tsim los tiv thaiv daim tawv nqaij ntawm cov hluav taws xob ultraviolet, tshwj xeeb tshaj yog cov hluav taws xob UVB uas ua rau kub hnyiab. Thaum koj siv tshuaj pleev thaiv hnub, nws tsim ib daim thaiv uas cuam tshuam lossis nqus cov hluav taws xob UV, tiv thaiv nws kom tsis txhob nkag mus rau hauv daim tawv nqaij. Vim tias cov txaj tanning siv lub teeb UV los txhawb kev tsim melanin, kev siv tshuaj pleev thaiv hnub yuav txo qhov ua tau zoo ntawm cov txheej txheem tanning.
Txawm li cas los xij, qhov no tsis tau txhais hais tias kev tiv thaiv daim tawv nqaij tsis tseem ceeb. Qhov tseeb, kev tiv thaiv koj daim tawv nqaij thaum lub sijhawm tanning hauv tsev yog qhov tseem ceeb heev kom tiv thaiv kev qhuav, kev khaus, thiab kev puas tsuaj rau daim tawv nqaij mus sij hawm ntev. Hloov chaw siv tshuaj pleev thaiv hnub ib txwm muaj, feem ntau pom zoo kom siv cov tshuaj pleev tanning hauv tsev vim tias lawv tau tsim tshwj xeeb rau cov txaj tanning. Cov tshuaj pleev no pab ua kom daim tawv nqaij noo, txhim kho kev ncig, thiab txhim kho kev tsim melanin, uas tuaj yeem pab koj tanning kom sib npaug.
Ib qho yuam kev uas tib neeg feem ntau ua yog xav tias kev siv tshuaj pleev thaiv hnub ntev dua yuav pab tau yog tias koj siv tshuaj pleev thaiv hnub. Qhov no tsis pom zoo. Kev nyob hauv txaj tanning ntev dua yuav ua rau muaj kev raug UV ntau ntxiv thiab ua rau daim tawv nqaij puas tsuaj, txawm tias koj siv tshuaj pleev thaiv hnub los xij. Txoj hauv kev zoo dua yog ua raws li lub sijhawm thiab cov sijhawm teem tseg uas pom zoo kom siv tshuaj pleev thaiv hnub es tsis txhob sim ua kom cov txheej txheem tanning sai dua.
Tseem muaj qee qhov chaw ntawm lub cev uas tau txais txiaj ntsig los ntawm kev tiv thaiv ntxiv. Piv txwv li, lub ntsej muag muaj kev rhiab heev thiab yooj yim laus dua li lwm qhov ntawm lub cev. Muaj ntau tus neeg siv cov tshuaj pleev ntsej muag lossis cov khoom SPF qis uas tsim tshwj xeeb rau kev siv ntsej muag hauv cov txaj tanning. Cov duab kos yog lwm qhov chaw uas yuav tsum tau tiv thaiv, vim tias kev raug UV tuaj yeem ua rau cov duab kos ploj mus raws sijhawm. Kev siv tus pas tiv thaiv duab kos lossis npog cov duab kos tuaj yeem pab khaws lawv cov xim.
Lwm yam uas yuav tsum xav txog yog koj hom tawv nqaij. Cov neeg uas muaj tawv nqaij dawb heev yuav xaiv siv tshuaj pleev thaiv hnub SPF qis hauv txaj tanning kom txo qhov kev pheej hmoo ntawm kev kub hnyiab thaum tseem cia tanning maj mam. Cov neeg uas muaj tawv nqaij tsaus dua tej zaum yuav tsis xav tau SPF tab sis yuav tsum siv cov tshuaj pleev tanning kom noo noo kom tswj tau kev noj qab haus huv ntawm daim tawv nqaij.
Tom qab tanning, kev saib xyuas daim tawv nqaij tseem ceeb ib yam li kev tiv thaiv thaum tanning. Kev ua kom noo noo pab tiv thaiv kev tawv nqaij tawv thiab ua rau koj daim tawv nqaij zoo nkauj thiab kav ntev dua. Kev haus dej thiab ua kom koj daim tawv nqaij noo kuj tseem yuav ua rau cov txiaj ntsig tanning zoo dua qub.
Xaus lus, kev siv tshuaj pleev thaiv hnub tsis tu ncua hauv txaj tanning yuav ua rau tanning qeeb, tab sis qee cov khoom tiv thaiv tseem yuav pab tau rau cov chaw rhiab heev. Txoj hauv kev zoo tshaj plaws yog siv cov tshuaj pleev tanning hauv tsev, ua raws li lub sijhawm tanning kom muaj kev nyab xeeb, thiab tiv thaiv cov chaw rhiab heev xws li lub ntsej muag, daim di ncauj, thiab cov duab kos. Txoj hauv kev no pab koj ua kom tanning zoo dua thaum txo qhov kev pheej hmoo ntawm kev puas tsuaj ntawm daim tawv nqaij.