Tshuaj pleev thaiv hnub thiab ntuj cawm

Kev tiv thaiv UV hluav taws xob yog lub luag haujlwm rau cov vitamin D synthesis hauv daim tawv nqaij, ntxiv rau, ib lub hnub ci nqa peb lub siab. Tab sis twb tau nyob hauv 1930er xyoo tau dhau los kuj tseem paub txog cov kev phom sij ntawm lub hnub ci hluav taws xob ntau. 1933 twb tau sau daim ntawv muaj cai rau Drugofa GmbH, chaw pabcuam Bayer, rau cov khoom lag luam hu ua Delial. Thawj hnub tshuaj pleev thaiv hnub nrog UV tiv thaiv lim, thawj hnub tshuaj pleev thaiv hnub, tau yug los. Cov nplaim taws, tshuaj txau lossis roj uas tau txhuam los tiv thaiv lub hnub thaum lub sijhawm 1980 xyoo tiag tiag tau txais qhov tseem ceeb. Tam sim ntawd txhua tus neeg tau hais txog lub ozone qhov thiab lub hnub tiv thaiv los ntawm ntau yam khoom lag luam sawv nrawm.

Cov khoom lag luam nrog UVA foob kom paub meej tias UVA tiv thaiv kev tiv thaiv yog tsawg kawg yog ib feem peb ntawm UVB kev tiv thaiv kev tiv thaiv. Lub hnub tiv thaiv cuam tshuam tsuas yog hais txog kev tiv thaiv UVB rays, UVA hluav taws xob feem ntau tau them nyiaj tsawg. UVA foob yog qhov qhia zoo thaum xaiv cov tshuaj pleev thaiv hnub sab hnub.

Pom tsis tau: UV hluav taws xob

Ntxiv rau nws qhov pom kev pom, hnub ci muaj lub suab hluav taws xob ntev ntev UVA, luv nthwv dej UVB thiab UVC hluav taws xob, uas tsis ncav cuag lub ntiaj teb vim yog txheej txheej ozone. UV hluav taws xob UV yog lub luag haujlwm ua daim tawv xim av. Txoj kev no yog qhov tiv thaiv kev tawm tsam. Cov epidermis muaj cov xim xoos-tsim ua lub hlwb, lub melanocytes, uas nws cov xim daj melanin tiv thaiv daim tawv nqaij los ntawm hnub ci. Yog tias UVB tawg ntau dhau rau kev tiv thaiv daim tawv nqaij, muaj cov lus teb tiv thaiv kom hlawv, lub hnub ziab. Tab sis txawm ntev-nthwv dej UVA ntev los ntawm tsis muaj kev tiv thaiv kev sib haum xeeb. Lawv nkag mus tob tob rau hauv daim tawv nqaij thiab ua rau lub collagen ntawm daim tawv nqaij, uas ua rau kom txo qis ntawm daim tawv nqaij elasticity thiab yog li kuj ua rau lub hnub nyoog ntxov thiab wrinkles.

UV cov ntsiab lus hais txog tshuaj pleev thaiv hnub

Lub sijhawm ua haujlwm ntev ntev ntawm cov tshuaj pleev thaiv hnub ntev dua lub sijhawm tiv thaiv?
Tsis yog, kev tiv thaiv tsis txuas ntxiv, tab sis khaws cia. Piv txwv li, ib tus neeg twg uas tau txais daim tawv liab liab tshav tiv thaiv tsis tom qab kaum feeb tuaj yeem nyob hauv lub hnub ntev li tsib teev nrog kev tiv thaiv hnub tiv thaiv 30.

Blondes xav tau qhov kev tiv thaiv tiv thaiv tshav ntuj ntau dua li cov plaub hau dub?
Tsis yog, vim tias nws tsis yog xim plaub hau uas tseem ceeb, tab sis yog hom tawv nqaij.

Thaum daim tawv nqaij ziab tag lawm, koj tsis tshav ntuj li lawm?
Creaming tseem yog yam tsis tseem ceeb. Daim tawv nqaij yeej tsis siv rau lub hnub tas li thiab tsis nco qab txog hnub puas tsuaj.

Nrog thawj zaug liab nws yog qhov txaus kom mus rau ob peb teev hauv ntxoov ntxoo? Tsis yog, twb lig dhau lawm. Lub hnub ziab nce mus txog nws lub ncov tom qab nyob ib ncig ntawm 24 teev.

Lub solarium pab tiv thaiv tshav kub? Tsis yog, sunbeds ua haujlwm nrog UVA lub teeb. Los ntawm cov ntaub ntawv kho mob, ntxiv rau kev cuam tshuam ntawm daim tawv nqaij mus rau UV teeb yuav tsum zam. Qhov no ua rau muaj kev laus ua ntej ntawm daim tawv nqaij. Tib lub sijhawm, txoj kev pheej hmoo ntawm kev tsim mob qog nqaij hlav yog nce qib.

Tshuaj Hnub Ci & Tom Qab Lub Hnub

Cov pleev xim tshav ntuj feem ntau tso siab rau qhov sib xyaw ua ke ntawm lub cev thiab tshuaj lim. Titanium oxide lossis zinc oxide lub cev lim dej ua kom pom tseeb thiab tawg tawm tuaj UV teeb zoo li cov iav me me. Cov tshuaj lim hloov cov teeb meem UV rays rau lub zog tsis zoo, piv txwv li tsis muaj teeb meem infrared lub teeb lossis cua sov. Hauv Cov Khoom Tom Qab Hnub, cov khoom siv ua kom tawv nqaij xws li algae extract lossis aloe vera yog siv los txias thiab so cov tawv nqaij tom qab hnub ziab. Tom qab 20-feeb UV irradiation, kev puas tsuaj rau cov khoom siv caj ces ntawm cov tawv nqaij muaj tshwm sim. Qee qhov khoom tom qab-hnub yog li ntawd muaj cov enzyme photolyase, uas txhawb cov tawv nqaij kho tus kheej. Rau qee lub sijhawm tam sim no tus qauv hloov tau mus rau cov khoom lag luam hla cov khoom lag luam. Piv txwv li, hnub cream los yog kev tu tus kheej tam sim no muaj UVA thiab UVB lim.

Mineral tshuaj pleev thaiv hnub (tseem hu ua tshuaj pleev thaiv hnub lub cev) yog qhov kev hloov kho tshwj xeeb rau cov tshuaj pleev thaiv hnub thiab tshuaj txau thiab kuj muab kev tiv thaiv zoo tiv thaiv UV hluav taws xob. Hauv kev sib piv rau cov tshuaj tiv thaiv hnub ci, cov khoom ntxhia ua haujlwm ntawm lub hauv paus ntsiab lus sib txawv: cov khoom siv ntuj muaj nyob rau ntawm daim tawv nqaij thiab muaj kev cuam tshuam cov duab UV ci zoo li daim iav ci. Cov ntxaij lim dej tshuaj pleev thaiv hnub ua haujlwm tam sim tom qab thov thiab tsis muaj kev cuam tshuam los ntawm kev loj hlob hormone. Cov xim ntxhia ntuj hauv cov emulsion kuj tseem pom: Los ntawm lub teeb pom kev zoo lawv tshwm sim zoo li lub ntsej muag dawb, daim tawv nqaij yog pom tau tias cov hniav dawb thiab duller. Tau siv rau nws.

Hauv kev sib tham nrog Dr. Dagmar Millesi, tus kws tshaj lij hauv cov yas thiab cov kev ua kom zoo nkauj rau tshuaj pleev thaiv hnub, tshav ntuj & Co.

Sunburn: Ua rau daim tawv nqaij zoo li cas?
Millesi: "Lub hnub tawm ntawm UV hluav taws xob. Cov no ua rau muaj kev tso tawm qee yam kev xa xov xws li histamine lossis interleukins hauv daim tawv nqaij. Raug hluav taws xob ntau dhau ua rau cov hlab ntsha ntawm cov hlab ntshav, liab thiab o ntawm thaj chaw ntawm daim tawv nqaij cuam tshuam. Khaus lossis hlawv yog qhov tshwm sim. Qhov mob tshwm sim ntawm daim tawv nqaij yog hu ua sunburn. Thaum tshav ntuj kub hnyav, nws kuj ua rau ua pas thiab ua npaws, xeev ntuav, ntawj txias thiab ntuav. Lub tshav ntuj yog qhov hlawv daim tawv nqaij thiab yuav tsum zam txhua tus nqi. "

Lub tshuaj pleev thaiv hnub ua haujlwm li cas?
Millesi: "Cov tshuaj pleev thaiv hnub lim lim cov UV hluav taws xob ntawm lub hnub ci thiab yog li txuas ntxiv ntawm daim tawv nqaij tus kheej tiv thaiv kev tiv thaiv UV hluav taws xob. Qhov sib txawv yog cov tshuaj pleev thaiv hnub nrog lub cev ua haujlwm los yog tshuaj lom neeg. Cov kuab tshuaj UV lim nkag mus rau hauv daim tawv nqaij tom qab thov thiab tsim ib hom ntawm cov zaj duab xis tiv thaiv sab hauv. Qhov no hloov pauv UV hluav taws xob mus rau infrared lub teeb thiab yog li tshav kub. Qhov tsis zoo yog tias cov tshuaj tiv thaiv tshav ntuj no tsuas yog tom qab txog 30 feeb ua, ntxiv rau, qee cov neeg muaj kev fab tshuaj rau nws ua xua. Cov lim dej ntawm lub cev tsis nkag rau hauv daim tawv nqaij tab sis tsim daim yeeb yaj kiab tiv thaiv sab nraud ntawm daim tawv nqaij. Raws li qhov tshwm sim, UV duab tiv thaiv lossis tsom teeb pom kev. Qhov txiaj ntsig ntawm cov suncreams yog qhov lawv tau thev taus zoo. "

Puas tseem muaj cov tshuaj pleev thaiv hnub nyob zoo?
Millesi: "Cov tshuaj pleev thaiv hnub zoo tshaj plaws yog kom tsis txhob muaj lub hnub hnyav. Yog li tsis txhob ua kom koj tus kheej mus rau lub placid thaum nruab hnub hnub ci, saib rau cov duab ntxoo thiab hnav khaub ncaws thiab headgear nyob rau hauv lub hnub. Tsis tas li, qee cov roj tuaj yeem ua lub hnub ci lub teeb, xws li cov noob hnav roj, txiv maj phaub roj lossis roj jojoba. Cov ntaub thaiv no tsuas yog 10-30 feem pua ​​ntawm UV hluav taws xob. Tab sis ib qho yuav tsum tsis txhob hnov ​​qab tias lub hnub ci ua tiav cov haujlwm tseem ceeb hauv tib neeg lub cev. Nws ua kom lub cev tsim cov vitamin D, muaj lub zog tseem ceeb rau cov neeg xa xov, xws li serotonin, thiab nws kuj tuaj yeem muaj feem cuam tshuam rau cov tshuaj hormones. "

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