Qhov sib txawv tseem ceeb ntawm emollient thiab occlusive yog tias emollient tuaj yeem moisturize ntawm daim tawv nqaij, whereas occlusive tuaj yeem tiv thaiv daim tawv nqaij los ntawm dej.
Muaj peb yam tseem ceeb ntawm cov khoom xyaw uas muaj nyob hauv cov khoom tu tawv nqaij. Lawv yog cov emollients, occlusives, thiab humectants. Emollients muaj txiaj ntsig zoo hauv kev tiv thaiv, moisturizing, thiab lubricating ntawm daim tawv nqaij, thaum occlusive tuaj yeem pleev xim rau ntawm daim tawv nqaij kom tsis txhob ya raws. Yog li, emollients txawv ntawm occlusives raws li lawv txoj haujlwm. Humectants, ntawm qhov tod tes, muaj peev xwm nqus dej los ntawm huab cua thiab moisturize ntawm daim tawv nqaij thaum muaj av noo tshaj 70%. Txawm li cas los xij, kev ua haujlwm ntawm cov tshuaj humectant yog los nqus dej los ntawm cov dermis mus rau hauv lub epidermis, uas ua rau cov tawv nqaij qhuav dua li ua ntej.
Emollient yog dab tsi?
Ib emollient lossis moisturizer yog cov khoom siv tshuaj pleev ib ce uas muaj txiaj ntsig zoo hauv kev tiv thaiv, moisturizing, thiab lubricating ntawm daim tawv nqaij. Feem ntau, sebum uas yog tsim los ntawm daim tawv nqaij ua cov haujlwm no. Txawm li cas los xij, peb tuaj yeem siv emollient los txhim kho cov teebmeem.
Hauv lub cev, dej tas li evaporates los ntawm cov txheej txheem sib sib zog nqus ntawm daim tawv nqaij. Qhov no tshwm sim los ntawm txoj kev poob dej transepidermal (TEWL). Peb cov tawv nqaij tswj cov dej ntawm cov tawv nqaij ib txwm muaj thiab tswj kom qhuav qhov chaw. Qhov saum npoo no yooj yim los ua ib qho thaiv rau cov kab mob, av, lossis kev puas tsuaj. Nws kuj tiv thaiv nws tus kheej los ntawm ziab tawm thiab ua nkig thiab nruj. Kev khaws cia ntawm noo noo nyob ntawm qhov lipid bilayer ntawm cov corneocytes. Emollients tuaj yeem hloov kho tus nqi ntawm cov dej poob ntawm daim tawv nqaij siv cov khoom xyaw uas ua haujlwm kom moisturize ntawm daim tawv nqaij.
Muaj ntau hom emollients. Petrolatum yog ib tug paub zoo, zoo moisturizer. Txawm li cas los xij, nws yog me ntsis tsis nyiam vim nws qhov xwm txheej oily. Qee lwm cov npe emollient suav nrog cetyl cawv, cetearyl cawv, cocoa butter, isopropyl myristate, silicone roj, stearic acid, castor roj, kua paraffin, thiab lwm yam.
Dab tsi yog qhov Occlusive?
Occlusive yog hom moisturizer uas tuaj yeem pleev xim rau ntawm daim tawv nqaij kom tsis txhob ya raws. Yog hais tias lub formulation ntawm moisturizer yog ntau occlusive, peb muaj peev xwm hais tias nws muaj ib tug zoo ntxim. Tsis tas li ntawd, cov tshuaj pleev yog ntau occlusive piv rau aqueous cream. Txawm li cas los xij, cov tshuaj nplaum aqueous muaj ntau dua li cov tshuaj pleev ib ce.
Feem ntau, dej poob ntawm daim tawv nqaij ntawm tus nqi li ntawm 4 - 8 g / (m 2 h). Thaum peb thov ib txheej ntawm petrolatum rau ntawm daim tawv nqaij ib txwm, nws tuaj yeem txo qhov poob dej li ntawm 50 - 75% rau ob peb teev. Txawm li cas los xij, cov roj ntawm daim tawv nqaij uas tsim los ntawm tib neeg lub cev tuaj yeem moisturize ntawm daim tawv nqaij tib yam li siv tib lub tswv yim.
Feem ntau, cov khoom xyaw occlusive siv tau zoo thaum peb siv cov tawv nqaij ntub dej, thiab nws tsuas yog siv tau thaum nyob ntawm daim tawv nqaij. Qhov no txhais tau hais tias thaum lub occlusive raug tshem tawm, cov dej poob ntawm daim tawv nqaij rov qab mus rau qib qub. Cov khoom xyaw occlusive no tuaj yeem hnov qhov hnyav thiab greasy ntawm daim tawv nqaij.
Qhov txawv ntawm Emollient thiab Occlusive yog dab tsi?
Occlusive thiab emollients yog cov khoom xyaw nquag uas tuaj yeem pom hauv cov khoom tu tawv nqaij. Qhov sib txawv tseem ceeb ntawm emollient thiab occlusive yog tias emollient tuaj yeem moisturize ntawm daim tawv nqaij, whereas occlusive tuaj yeem tiv thaiv daim tawv nqaij los ntawm dej. Ntxiv mus, emollients ua haujlwm zoo tshaj plaws rau cov tawv nqaij oily whereas occlusives ua haujlwm zoo tshaj plaws rau cov tawv nqaij qhuav.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm emollient thiab occlusive nyob rau hauv daim ntawv tabular rau kev sib piv ntawm ib sab.
Summary – Emollient vs Occlusive
Emollients thiab occlusive yog qhov tseem ceeb hauv kev lag luam tshuaj pleev ib ce vim tias lawv pom muaj nyob hauv cov khoom tu tawv nqaij ua cov khoom xyaw nquag. Qhov sib txawv tseem ceeb ntawm emollient thiab occlusive yog tias emollient tuaj yeem moisturize ntawm daim tawv nqaij, whereas occlusive tuaj yeem tiv thaiv daim tawv nqaij los ntawm dej.
