Lub caij ntuj sov no, lub hnub raug thiab qhov kub siab tuaj txog tsis tau xav txog, taug kev ntawm txoj kev, ntau tus neeg hnav khaub ncaws tiv thaiv hnub, kaus mom tiv thaiv hnub, kaus mom, thiab tsom iav dub.
Kev tiv thaiv hnub yog ib qho uas tsis tuaj yeem zam tau thaum lub caij ntuj sov. Qhov tseeb, kev raug tshav ntuj tsis yog tsuas yog ua rau tawv nqaij tawv daj, kub hnyiab xwb, tab sis kuj ua rau daim tawv nqaij laus, ua rau muaj cov pob ntawm lub hnub, thaum lub sijhawm ntawm daim tawv nqaij laus, kev laus ntawm lub teeb yog qhov tseem ceeb tshaj plaws rau daim tawv nqaij laus. Yog li ntawd, kev tiv thaiv hnub zoo thaum lub caij ntuj sov yog qhov tseem ceeb heev. Cov hauv qab no yuav qhia koj txog txoj hauv kev thiab kev ceev faj rau kev tiv thaiv hnub thaum lub caij ntuj sov.
1. Xaiv cov tshuaj pleev thaiv hnub zoo
Tshuaj pleev thaiv hnub yog ib qho cuab yeej tseem ceeb rau kev tiv thaiv hnub. Kev xaiv tshuaj pleev thaiv hnub zoo yog qhov tseem ceeb heev rau kev tiv thaiv koj daim tawv nqaij. Ua ntej, xaiv cov khoom uas muaj kev tiv thaiv dav dav, uas yog, tiv thaiv tau ob qho tib si UVA thiab UVB ultraviolet rays. Qhov thib ob, xyuam xim rau tus lej SPF ntawm tshuaj pleev thaiv hnub, uas qhia txog lub peev xwm ntawm cov khoom los tiv thaiv UVB hluav taws xob. Feem ntau, tus nqi SPF siab dua, qhov muaj peev xwm tiv thaiv ntau dua. Nws raug pom zoo kom xaiv cov tshuaj pleev thaiv hnub uas muaj SPF ntau dua 30 thiab rov siv dua tsis tu ncua. Ib qho ntawm cov khoom xyaw uas feem ntau siv rau hauv tshuaj pleev thaiv hnub yogOMC.
Octyl 4-methoxycinnamate (OMC)yog ib hom tshuaj pleev thaiv hnub nrov uas muaj peev xwm nqus tau UV hauv 280-310nm wavelength ntau yam, nrog rau qhov nqus siab tshaj plaws tshwm sim ntawm 311nm. Vim nws qhov kev nqus siab, kev nyab xeeb zoo (tsawg kawg yog lom) thiab solubility zoo rau cov roj raw cov ntaub ntawv, cov tshuaj no yog siv dav hauv cov teb ntawm cov tshuaj txhua hnub, yas, roj hmab thiab coatings, ua ib qho roj-soluble kua UV-B absorber. Nws feem ntau yog siv ua ke nrog lwm cov tshuaj pleev thaiv hnub kom ua tiav SPF siab, thiab yog nyob hauv zos zoo tolerated, nrog rau yuav luag tsis muaj kev khaus tawv nqaij, tsawg zaus ntawm photocontact dermatitis, thiab tsis muaj tshuaj lom los ntawm kev nqus thoob plaws hauv lub cev.
2. Tsis txhob siv lub sijhawm uas muaj hnub ci ntau dhau
Thaum lub caij ntuj sov, lub hnub ci ntsa iab tshaj plaws, tshwj xeeb tshaj yog thaum tav su, thaum lub hnub ci ultraviolet kuj yog lub hnub ci ntsa iab tshaj plaws. Yog li ntawd, txhawm rau kom tsis txhob raug mob rau daim tawv nqaij, nws yog qhov zoo tshaj plaws kom tsis txhob raug tshav ntuj ntev thaum lub sijhawm no. Yog tias koj yuav tsum tawm mus, koj tuaj yeem xaiv hnav lub kaus mom tiv thaiv hnub, tsom iav dub thiab khaub ncaws tes ntev kom txo qhov chaw uas daim tawv nqaij raug tshav ntuj.
3. Ua kom noo noo
Tom qab raug tshav ntuj ntev ntev, daim tawv nqaij feem ntau poob dej noo, yog li nws yog ib qho tseem ceeb kom koj daim tawv nqaij noo. Xaiv cov khoom noo noo uas txias thiab tsis txhaws, xws li tshuaj tsuag noo noo, daim npog ntsej muag noo noo, thiab lwm yam kom noo noo rau daim tawv nqaij txhua lub sijhawm. Tsis tas li ntawd, haus dej ntau kuj yog ib txoj hauv kev tseem ceeb los ua kom koj daim tawv nqaij noo noo.
4. Kev tiv thaiv ntxiv
Ntxiv rau kev siv tshuaj pleev thaiv hnub, koj tuaj yeem txhim kho koj txoj kev tiv thaiv hnub los ntawm kev ua lwm yam kev ceev faj. Piv txwv li, hnav lub kaus mom tiv thaiv hnub, tsom iav dub, lub kaus, thiab lwm yam tuaj yeem txo qhov chaw uas lub hnub ncaj qha rau ntawm daim tawv nqaij. Tsis tas li ntawd, xaiv cov khaub ncaws sib dua thiab ua pa tau kom tiv thaiv koj daim tawv nqaij ntawm kev sib cuag ncaj qha nrog lub hnub.
5. Qhov tseem ceeb ntawm kev tiv thaiv hnub tsis yog tsuas yog thaum lub caij ntuj sov xwb
Txawm hais tias lub caij ntuj sov yog lub sijhawm zoo tshaj plaws rau kev tiv thaiv lub hnub, kev tiv thaiv lub hnub kuj tseem ceeb rau lwm lub caij. Txawm tias nws yog lub caij nplooj ntoo hlav, lub caij nplooj zeeg lossis lub caij ntuj no, cov teeb UV muaj nyob thiab tuaj yeem cuam tshuam rau daim tawv nqaij. Yog li, tsim kom muaj tus cwj pwm zoo ntawm kev tiv thaiv lub hnub txhua lub xyoo puag ncig.
6. Muab kev tiv thaiv ntxiv rau qee qhov chaw tshwj xeeb
Ntxiv rau lub ntsej muag, caj dab thiab tes, muaj cov chaw tshwj xeeb uas xav tau kev tiv thaiv ntxiv ntawm lub hnub. Piv txwv li, pob ntseg, nraub qaum, pob luj taws thiab lwm qhov chaw uas yooj yim saib tsis taus kuj yuav tsum tau siv tshuaj pleev thaiv hnub. Xaiv siv tshuaj pleev thaiv hnub uas yooj yim siv rau cov chaw nyuaj rau ncav cuag no.
7. Ntxiv cov khoom noj uas muaj tshuaj pleev thaiv hnub
Qee cov khoom noj uas muaj cov tshuaj antioxidants ntau tuaj yeem ua rau daim tawv nqaij kho nws tus kheej tau zoo dua, yog li txo qhov kev puas tsuaj los ntawm cov teeb UV. Piv txwv li, txiv pos nphuab, txiv lws suav, tshuaj yej ntsuab thiab lwm yam khoom noj muaj cov tshuaj antioxidants ntau, uas tuaj yeem noj ntau dua. Tsis tas li ntawd, kev noj cov khoom noj uas muaj vitamin C thiab E ntau kuj pab tiv thaiv thiab kho daim tawv nqaij.
8. Saib seb koj siv tshuaj pleev thaiv hnub li cas
Kev siv tshuaj pleev thaiv hnub kom raug kuj yog qhov tseem ceeb rau kev tiv thaiv lub hnub. Ua ntej tshaj plaws, yuav tsum tau siv tshuaj pleev thaiv hnub li 15-30 feeb ua ntej tawm mus kom cov tshuaj nqus tau tag nrho. Qhov thib ob, thov kom sib npaug, tsis txhob tsis quav ntsej txog ib feem twg, suav nrog lub ntsej muag, caj dab, caj npab, thiab lwm yam. Ua tib zoo saib xyuas cov feem uas yooj yim raug tshav ntuj, xws li lub qhov ntswg thiab tom qab pob ntseg. Thaum kawg, raws li cov lus qhia ntawm cov tshuaj, xaiv ntau zaus thiab rov siv dua kom tswj tau qhov cuam tshuam ntawm kev tiv thaiv lub hnub.
Hauv kev xaus lus, txoj hauv kev zoo los tiv thaiv tshav ntuj thaum lub caij ntuj sov suav nrog kev xaiv cov tshuaj pleev thaiv hnub zoo, zam lub sijhawm uas muaj tshav ntuj ntau, ua tib zoo saib xyuas kev haus dej thiab kev ua kom noo noo, ua raws li kev tiv thaiv ntxiv, tsim kom muaj tus cwj pwm zoo ntawm kev tiv thaiv tshav ntuj thoob plaws hauv ib xyoos, txhawb kev tiv thaiv tshav ntuj ntawm cov chaw tshwj xeeb, noj cov khoom noj uas muaj antioxidant ntau, thiab siv cov tshuaj pleev thaiv hnub kom raug. Cov kev ntsuas no yuav pab tiv thaiv daim tawv nqaij ntawm kev puas tsuaj los ntawm UV thiab ua kom nws noj qab nyob zoo thiab hluas.
Lub sijhawm tshaj tawm: Tsib Hlis-21-2024