Sunscreen: Nkag siab cov khoom thiab nws cov txiaj ntsig
Sep 08, 2023
Sunscreen: Nkag siab cov khoom thiab nws cov txiaj ntsig
Lub caij ntuj sov nyob ntawm no, thiab txawm tias koj tab tom mus rau lub puam lossis tsuas yog tawm mus taug kev, tshuaj pleev thaiv hnub yog qhov yuav tsum muaj. Nws yog ib qho khoom siv dav hauv cov neeg ntawm txhua lub hnub nyoog los tiv thaiv daim tawv nqaij los ntawm teeb meem UV rays thiab tiv thaiv cov tawv nqaij puas. Txawm li cas los xij, tsis yog txhua tus paub txog qhov sib txawv ntawm cov tshuaj pleev thaiv hnub, suav nrog nws hom, cov khoom xyaw, thiab cov txiaj ntsig. Hauv tsab xov xwm no, peb yuav tham txog ntau yam ntawm cov tshuaj pleev thaiv hnub thiab pab koj nkag siab cov khoom zoo dua.
Hom Tshuaj Tiv Thaiv
Cov tshuaj pleev thaiv hnub muaj nyob hauv ntau hom, suav nrog tshuaj pleev thaiv hnub thiab lub cev. Cov tshuaj pleev thaiv hnub tshuaj ua haujlwm los ntawm kev nqus UV hluav taws xob thiab hloov mus rau cua sov. Lawv muaj cov organic tebchaw xws li octinoxate, oxybenzone, thiab avobenzone. Ntawm qhov tod tes, cov tshuaj pleev thaiv hnub lub cev ua haujlwm los ntawm kev xav lossis tawg ntawm UV hluav taws xob. Lawv muaj cov khoom xyaw xws li zinc oxide thiab titanium dioxide. Cov tshuaj pleev thaiv hnub lub cev feem ntau suav tias muaj kev nyab xeeb dua vim tias lawv tsis nkag mus rau ntawm daim tawv nqaij thiab tsis tshua ua rau tawv nqaij khaus.
Sun Protection Factor (SPF)
Sun Protection Factor (SPF) yog ib qho kev ntsuas ntawm cov khoom siv tshuaj pleev thaiv hnub zoo tiv thaiv UVB hluav taws xob, uas yog lub luag haujlwm rau kev tshav ntuj. Qhov ntsuas SPF qhia txog lub sijhawm koj tuaj yeem nyob hauv lub hnub yam tsis tau hlawv. Piv txwv li, yog tias koj daim tawv nqaij pib hlawv tom qab 10 feeb ntawm lub hnub raug, SPF 30 tshuaj pleev thaiv hnub yuav tiv thaiv koj txog li 300 feeb. Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias qhov kev ntsuas SPF tsis qhia txog kev tiv thaiv UVA hluav taws xob, uas yog lub luag haujlwm rau kev laus ntawm daim tawv nqaij thiab mob qog noj ntshav. Txhawm rau tiv thaiv UVA thiab UVB, nrhiav cov tshuaj pleev thaiv hnub uas muaj kev tiv thaiv dav dav.
SPF50+ thiab SPF30+
SPF50+ thiab SPF30+ yog qhov feem ntau siv SPF ntsuas rau cov tshuaj pleev thaiv hnub. SPF50+ muaj kev tiv thaiv siab thiab thaiv 98% ntawm UVB hluav taws xob, thaum SPF30+ thaiv 97% ntawm UVB hluav taws xob. Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias tsis muaj tshuaj pleev thaiv hnub tuaj yeem muab 100% kev tiv thaiv los ntawm UV hluav taws xob. Yog li ntawd, nws raug nquahu kom siv kev tiv thaiv lub hnub ntxiv, xws li hnav khaub ncaws tiv thaiv, nyob hauv qhov ntxoov ntxoo, thiab tsis txhob raug tshav ntuj thaum lub sij hawm ncov.
Sun Protection Factor (SPA)
Sun Protection Factor (SPA) yog ib qho kev ntsuas ntawm ntau npaum li cas UVA hluav taws xob thaiv los ntawm cov khoom siv tshuaj pleev thaiv hnub. Nws qhia txog qib kev tiv thaiv ntawm daim tawv nqaij laus thiab mob qog noj ntshav los ntawm UVA hluav taws xob. SPA rating system siv lub cim '+' los qhia txog qib ntawm kev tiv thaiv UVA. Cov cim '+' ntau dua, qhov siab dua ntawm kev tiv thaiv UVA. Piv txwv li, tshuaj pleev thaiv hnub nrog SPF30+ thiab UVA tiv thaiv qib peb '+' yuav muab kev tiv thaiv zoo tiv thaiv UVB thiab UVA hluav taws xob.
Customized Sunscreen
Ntxiv nrog rau qhov ntsuas SPF thiab SPA, cov tshuaj pleev thaiv hnub tuaj yeem raug kho raws li tus neeg nyiam. Ntau hom tshuaj pleev thaiv hnub muaj cov tshuaj pleev thaiv hnub tshwj xeeb nrog cov tshuaj tsw qab, textures, thiab ntim. Qhov no tso cai rau cov neeg siv xaiv cov tshuaj pleev thaiv hnub uas haum rau lawv tus kheej xav tau thiab nyiam. Qee qhov kev xaiv tshuaj pleev thaiv hnub nrov muaj xws li cov qauv dej-tiv taus rau cov dej ua ub no, cov tshuaj pleev thaiv hnub pleev xim uas muab lub teeb ci, thiab cov qauv tsis muaj ntxhiab tsw rau cov tawv nqaij.
Cov txiaj ntsig ntawm Sunscreen
Cov txiaj ntsig ntawm kev siv tshuaj pleev thaiv hnub muaj ntau heev. Sunscreen pab tiv thaiv daim tawv nqaij los ntawm teeb meem UV hluav taws xob thiab tiv thaiv kev puas tsuaj ntawm daim tawv nqaij xws li sunburns, laus ntxov ntxov, thiab mob qog noj ntshav. Cov kev tshawb fawb tau pom tias kev siv tshuaj pleev thaiv hnub tsis tu ncua tuaj yeem txo qhov kev pheej hmoo ntawm mob qog noj ntshav los ntawm yuav luag 50%. Tsis tas li ntawd, tshuaj pleev thaiv hnub pab kom cov tawv nqaij moisturized thiab tiv thaiv dryness, wrinkles, thiab kab zoo. Nws kuj tseem pab txo qis qhov pom ntawm blemishes thiab tsaus me ntsis, muab cov tawv nqaij ntau dua thiab pom tseeb.
Xaus
Tshuaj pleev thaiv hnub yog ib yam khoom tseem ceeb uas yuav tsum muaj nyob rau hauv txhua tus neeg txoj kev tu tawv nqaij. Nws pab tiv thaiv daim tawv nqaij los ntawm teeb meem UV hluav taws xob thiab tiv thaiv daim tawv nqaij puas. Thaum xaiv cov tshuaj pleev thaiv hnub, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov ntsuas SPF thiab SPA, nrog rau cov kev nyiam ntawm tus kheej xws li cov tshuaj tsw qab thiab textures. Nco ntsoov siv tshuaj pleev thaiv hnub tsawg kawg 15 feeb ua ntej tawm mus thiab rov ua dua txhua 2-3 teev, lossis ntau zaus yog tias koj tawm hws lossis da dej. Nrog cov tshuaj pleev thaiv hnub zoo, koj tuaj yeem txaus siab rau lub hnub yam tsis muaj kev txhawj xeeb txog kev puas tsuaj rau koj cov tawv nqaij.
