Qhov sib txawv ntawm cov tshuaj pleev thaiv hnub thiab lub cev yog cov tshuaj tiv thaiv kab mob hauv lub cev yog absorbed rau hauv daim tawv nqaij los tiv thaiv UV rays, whereas lub cev tshuaj pleev thaiv hnub nyob rau ntawm daim tawv nqaij raws li ib tug barrier los tiv thaiv UV rays.
Nws yog ib qho tseem ceeb uas yuav tau siv tshuaj pleev thaiv hnub los tiv thaiv peb tus kheej los ntawm kev puas tsuaj los ntawm UV rays. Txawm tias thaum huab cua los, peb cov tawv nqaij raug rays los ntawm lub hnub.
Tshuaj pleev thaiv hnub yog dab tsi?
Tshuaj pleev thaiv hnub yog ib hom tshuaj tiv thaiv tshav ntuj uas tuaj yeem nkag mus rau hauv daim tawv nqaij thiab tom qab ntawd nqus UV rays, hloov mus rau hauv tshav kub thiab tawm ntawm lub cev. Feem ntau, cov khoom xyaw tshuaj nyob rau hauv hom sunblock no muab kev tiv thaiv tag nrho piv rau cov khoom xyaw ntawm lub cev. Ntxiv mus, hom sunblock no muaj txiaj ntsig zoo hauv kev tiv thaiv dej thiab hws. Yog li ntawd, nws yog qhov kev xaiv zoo dua thaum ua luam dej lossis ua lub cev ua si hauv qab hnub. Ntxiv mus, tshuaj pleev thaiv hnub tshuaj yog ib qho kev xaiv zoo dua yog tias peb ua si kis las lossis hws ntau nyob rau nruab hnub thiab thaum peb xav tau cov tshuaj pleev thaiv hnub uas tuaj yeem nkag mus rau hauv daim tawv nqaij sai.
Kev puas tsuaj rau ntawm daim tawv nqaij thiab sunburns tsis tshwm sim thaum siv tshuaj pleev thaiv hnub. Tam sim no, muaj nyob ib ncig ntawm 12 FDA pom zoo tshuaj pleev thaiv hnub cov khoom xyaw uas tuaj yeem ntxiv rau cov tshuaj pleev thaiv hnub. Qee cov khoom xyaw muaj xws li avobenzone, oxybenzone, thiab octinoxate.
Thaum xav txog qhov zoo thiab qhov tsis zoo ntawm kev siv tshuaj pleev thaiv hnub, lawv muab kev tiv thaiv UV ntau dua li lub hnub ci lub cev. Hom sunblock no kuj yog qhov sib piv zoo dua. Ntau tus neeg nyiam siv cov tshuaj pleev thaiv hnub no vim nws lub teeb sib xws thiab nqus tau sai. Tsis tas li ntawd, tshuaj pleev thaiv hnub yog nyiam hnav. Nws tuaj yeem muaj qhov tsis zoo ntawm cov khoom no thiab; Lawv tuaj yeem ua rau tawv nqaij ntawm qee tus neeg, tshwj xeeb tshaj yog menyuam yaus thiab cov neeg uas muaj cov tawv nqaij ntev xws li eczema, psoriasis, thiab rosacea.
Lub Tshuaj Tiv Thaiv Lub Cev yog dab tsi?
Tshuaj pleev thaiv hnub lub cev yog ib hom tshuaj tiv thaiv kab mob uas tuaj yeem nyob rau saum tawv nqaij thiab cuam tshuam cov rays ntawm lub hnub. Cov no feem ntau hu ua mineral sunscreens. Cov tshuaj pleev thaiv hnub tsis yog absorbed rau hauv daim tawv nqaij. Nws tsim ib qho kev thaiv ntawm qhov chaw ntawm daim tawv nqaij, uas tuaj yeem cuam tshuam txog UV rays los tiv thaiv kev puas tsuaj thiab sunburns. Txawm li cas los xij, tsuas muaj 2 cov khoom xyaw uas pom zoo los ntawm FDA uas tuaj yeem siv tshuaj pleev thaiv hnub; Cov no yog titanium dioxide thiab zinc oxide.
Feem ntau, cov menyuam yaus thiab cov neeg uas muaj tawv nqaij rhiab tuaj yeem tiv taus lub hnub ci lub cev. Feem ntau, qhov sib xws ntawm cov tshuaj pleev thaiv hnub no yog thicker piv rau tshuaj pleev thaiv hnub. Yog li ntawd, cov neeg uas muaj daim tawv nqaij qhuav nyiam moisturizing sunscreen hom. Txawm li cas los xij, cov mis no yog thicker thiab hnyav rau cov tawv nqaij oily lossis ib txwm tawv nqaij.
Nws yog qhov nyuaj rau rub lub ntsej muag lub ntsej muag vim tias lawv tsis nkag mus rau hauv daim tawv nqaij. Qhov no tawm ntawm daim tawv nqaij dawb. Txawm li cas los xij, tam sim no muaj cov qauv tshiab thiab hloov kho, uas pab daws cov teeb meem no.
Dab tsi yog qhov sib txawv ntawm tshuaj lom neeg thiab lub cev tshuaj pleev thaiv hnub?
Tshuaj pleev thaiv hnub thiab lub cev yog qhov tseem ceeb rau peb cov tawv nqaij noj qab haus huv. Qhov sib txawv tseem ceeb ntawm cov tshuaj pleev thaiv hnub thiab lub cev yog cov tshuaj pleev thaiv hnub tiv thaiv rau hauv daim tawv nqaij los tiv thaiv UV rays, thaum lub hnub ci lub cev nyob rau ntawm daim tawv nqaij raws li kev tiv thaiv los tiv thaiv UV rays.
Cov lus hauv qab no qhia txog qhov sib txawv ntawm cov tshuaj pleev thaiv hnub thiab lub cev.
Summary – Tshuaj vs Physical Sunscreen
Muaj ob pawg tseem ceeb ntawm cov tshuaj pleev thaiv hnub ua tshuaj pleev thaiv hnub thiab lub cev. Qhov sib txawv tseem ceeb ntawm cov tshuaj pleev thaiv hnub thiab lub cev yog cov tshuaj pleev thaiv hnub tiv thaiv rau hauv daim tawv nqaij los tiv thaiv UV rays, thaum lub hnub ci lub cev nyob rau ntawm daim tawv nqaij ua ib qho kev tiv thaiv los tiv thaiv UV rays.
