Nrog rau lub ntuj, muaj kev noj qab haus huv thiab muaj kev nyab xeeb thiab cov tshuaj pleev nroj tsuag tau los ua ib qho ntawm kev lag luam zoo tshaj plaws hauv kev lag luam tshuaj pleev ib ce. Txhawm rau rov tsim tsob nroj cov khoom siv tsis yog cia li rov ua haujlwm ntawm cov tshuaj lom neeg, thiab siv cov tshuaj pleev ib txwm muaj, txhawm rau txhim kho kev txawj ntse thiab kom muaj kev nyab xeeb ntuj tshuaj pleev ib ce. Tshuaj lom neeg tshuaj lom neeg muab cov ntaub ntawv nyoos ntsuab. Tsis tas li ntawd, cov nroj tsuag cov khoom siv tau dav hauv cov tshuaj, cov tshuaj noj khoom haus, cov zaub mov ua haujlwm, dej haus, tshuaj pleev ib ce, tshuaj pleev ib ce thiab lwm thaj teb.
Kev Cog Lus Cov(PE) yog hais txog cov nroj tsuag nrog roj ntsha me me molecules thiab macromolecules raws li lub hom phiaj tseem ceeb tsim rau cov khoom siv sib cais ntawm cov khoom siv raw los ntawm lub cev, tshuaj thiab kev siv tshuaj lom neeg. Tshuaj pleev ib ce cov tshuaj pleev ib txwm muaj ntau cov tshuaj pleev ib ce uas muaj txiaj ntsig ntawm cov tshuaj pleev ib ce uas muaj kev vam khom tshuaj lom neeg, ua cov khoom muaj kev nyab xeeb; Cov khoom siv ntuj yog yooj yim dua nqus ntawm daim tawv nqaij, ua kom cov khoom lag luam zoo thiab cov nyhuv muaj txiaj ntsig ntau; Txoj haujlwm yog qhov tseem ceeb tshaj, thiab lwm yam.
Xaiv cov nroj tsuag txoj cai extract thiab ntxiv qhov tseeb ntawm cov nroj tsuag extract rau cov khoom siv kom pleev xim kom ua kom tiav nws cov nyhuv. Lub zog tseem ceeb ntawm cov nroj tsuag cov kev rho tawm hauv cov tshuaj pleev ib ce yog: moisturizing, anti-anti-antacle, antiseptic, thiab cov nroj tsuag cov tshuaj ntsuab thiab muaj kev nyab xeeb.
Moisturizing nyhuv
Lub zog ua kom muaj cov tshuaj pleev ib ce muaj ob txoj hauv kev: ib qho ua tiav los ntawm kev tsim cov txiaj ntsig hydrogen ntawm cov tshuaj tua kab thiab cov lwg dej. Lwm tus yog tias cov roj ntim cov yeeb yaj kiab kaw rau ntawm daim tawv nqaij.
Qhov thiaj li hu ua cov tshuaj pleev ib ce yog cov tshuaj pleev ib ce uas muaj cov dej noo kom tswj cov ntsiab lus noo noo ntawm cov tawv nqaij thiab elasticity ntawm daim tawv nqaij. Cov tshuaj lom neeg ua kom huv huv yog feem ntau muab faib ua ob hom raws li lawv cov yam ntxwv: Ib qho yog siv cov tshuaj tua dej uas tuaj yeem siv cov dej noo, xws li cov dej noo, xws li glycerin; Lwm tus yog ib yam khoom uas yog insoluble hauv dej, txheej txheej ntawm cov tawv nqaij, yog li ntawd cov tawv nqaij ua kom tiv thaiv qee qhov dej noo, hu ua emollients lossis Muab kho kom zoo, xws li roj av, roj, thiab waxes.
Muaj ntau ntau cov nroj tsuag hauv cov nroj tsuag uas muaj cov nyhuv ntawm cov dej kas thiab motrurizing, xws li paamtomile, txiv ntseej, txhua yam muaj cov nyhuv zoo.
Los tiv thaiv kev laus
Nrog rau kev nce ntawm lub hnub nyoog, daim tawv nqaij pib qhia kev laus lub xeev, Mucopolysaccharide, Mucopolysaccharation Atrophy, elastication ntawm cov hlab ntshav ntawm cov ntshav Phab ntsa txo qis, thiab cov tawv nqaij epidermis maj mam ua. Kev txo, subcutaneous roj teeb txiav, thiab cov tsos ntawm wrinkles, chloasma thiab cov hnub nyoog me ntsis.
Tam sim no, cov kev tshawb fawb dhau los ntawm cov ua rau tib neeg kev laus tau sau cov ntsiab lus hauv qab no:
Ib qho yog qhov nce thiab laus ntawm dawb radicals. Dawb radicals yog atoms lossis lwg me me nrog cov hluav taws xob tsis muaj hluav taws xob tsim los ntawm cov indolysis ntawm kev sib haum cua. Lawv muaj qib siab ntawm cov tshuaj lom neeg cov kev ua ub no thiab tau hla peroxidation nrog cov liipids tsis txaus ntseeg. Lipid Peroxide (LPO), thiab nws cov khoom kawg, malondialdehyde (MDA), puas tsuaj rau DNA lwg me me, thiab kev tuag lossis kev sib hloov.
Thib ob, UVB thiab UVA rays nyob rau hauv lub hnub ci tuaj yeem ua rau daim tawv nqaij ua kom tawv nqaij. Ultraviolet hluav taws xob tsuas yog ua rau cov tawv nqaij laus los ntawm cov txheej txheem hauv qab no: 1) kev puas tsuaj rau DNA; 2) hla kev sib txuas ntawm collagen; 3) Txo cov kab mob tiv thaiv kab tiv thaiv kab mob los ntawm kev sim ua kom muaj kev tiv thaiv cov kab mob antigen-stimulated; 4) Tiam ntawm cov refactive reactive dawb radicals cuam tshuam nrog ntau yam kev ua haujlwm ntawm Epidermal teeb tsa 5. Ncaj ncees lub cev tsis muaj zog thiab tsis muaj zog rau cov tawv nqaij ntawm daim tawv nqaij. Tsis tas li ntawd, tsis-enzymatic glycosylation, metabolic tsis zoo, thiab matrix Metaloprooteinase Kev laus yuav cuam tshuam rau kev laus tawv nqaij.
Kev rho tawm cov khoom siv pov tseg yog kev tshawb fawb txog kev tshawb fawb kub nyob rau xyoo tas los, Morinda, Morindus, Forsythia, Salvia, Angkica thiab li ntawd. Cov txiaj ntsig ntawm txoj kev tshawb qhia tias: Salvia miltiorrhiza extract (ESM) tuaj yeem txhim kho cov kev ua si ntawm cov neeg muaj kev sib txawv ntawm cov neeg Keratinocytes, thiab ua lub luag haujlwm, thiab ua lub luag haujlwm ntawm kev tawm tsam cov laus thiab kev tua neeg ; Los ntawm cov nroj tsuag tshiab extract tsim txiaj ntsig dpph, thiab siv nws rau cov tshuaj pleev xim zoo, nrog cov txiaj ntsig zoo; Polygonum Cuspidatum extract muaj ib yam inhibitia cov nyhuv ntawm elastase, yog anti-wrinkle.
Frov kho dua
Cov xim tawv nqaij sib txawv ntawm tib neeg lub cev feem ntau yog nyob ntawm cov ntsiab lus thiab faib cov ntshav ntawm lub suab, thiab cov tuab tuab ntawm lub stratum Corneum. Qhov tsaus ntuj nti ntawm daim tawv nqaij lossis tsim ntawm cov xim tsaus nti feem ntau cuam tshuam los ntawm melanin, Keratinyte microcirculation, thiab kev sib txuam ntawm cov co toxins hauv lub cev.
Tam sim no, cov nyhuv ntawm kev ntiab tawm cov kev tshem tawm hauv pliaj yog qhov ua tiav los ntawm kev tsim thiab muaj kev sib zog ntawm Melanin. Ib qho yog tyrosinase inhibitor. Hauv kev hloov dua siab tshiab los ntawm Tyrosine mus rau Dopa thiab Dopa rau Dopaquinone, ob qho tib si tswj hwm ntawm cov kauj ruam ntawm cov tom ntej no tuaj yeem mus tau.
Thaum ntau yam ua rau Tyrosinase kom nce ntxiv nws txoj kev ua si, melanin synthesis nce, thiab thaum Tyrosinase kev ua haujlwm yog inhibited, melanin synthesis tsawg zuj zus. Cov kev tshawb fawb tau pom tias Arbutin tuaj yeem cuam tshuam tau cov kev ua si ntawm Tyrosinase hauv kev ua haujlwm siab ntau yam tsis muaj suab paj nruag ntawm DOPA, thiab yog li inhibit tsim ntawm melanin. Cov kws tshawb nrhiav tau kawm cov tshuaj so haujlwm hauv Dub Lab rhizomes thiab lawv cov tshuaj ntxuav hniav dawb, thaum ntsuas daim tawv nqaij.
Cov kev tshawb fawb tau qhia tau tias: Ntawm 17 lub 17-1 ~ 17 xyoo, yog li ntawd kom ua tiav cov kev ntxuav hniav dawb, thiab cov extract ua rau tawv nqaij tawv heev rau ntawm daim tawv nqaij. Ren honrong li al. tau ua pov thawj los ntawm kev sim uas cov naj hoom Missus cawv muaj cawv muaj cov txiaj ntsig zoo rau kev tsim ntawm Melanin. Raws li hom tshiab ntawm cov neeg ntxuav hniav dawb, nws tuaj yeem sib xyaw rau hauv cov tshuaj nplaum uas tsim nyog thiab tuaj yeem ua rau kev sib raug zoo thiab kev tawm tsam kev tawm tsam thiab hnav. Ua yeeb yam tshuaj pleev ib ce.
Kuj tseem muaj Melanocyte CyTotoxic tus neeg sawv cev pom hauv cov nroj tsuag endotiat, uas insibitation remibiat, insibit radiation induces lub hom phiaj ntawm melanin ntau lawm. Los ntawm kev sim ntawm tes, frédéric bonté li al. pom tias tus tshiab Brassocattley Orchid extract tuaj yeem ua kom zoo ntawm cov neeg muaj peev xwm ntawm Melanocytes. Ntxiv rau nws rau cov txiaj ntsig zoo nkauj tau pom tseeb ntawm cov tawv nqaij ntxuav hniav dawb thiab ua kom tawg. Zhang Mu li al. rho tawm cov tshuaj ntsuab xws li scutellaria biasensis, cov txiaj ntsig tau ua rau cov kev ua si ntawm cov ntsiab lus ntawm cov ntsiab lus ntawm lub cev, thiab cuam tshuam rau cov ntsiab lus ntawm cov txiv neej sab hauv, thiab cuam tshuam kom txo cov ntsiab lus me me cov nyhuv ntawm freckle ntxuav hniav dawb.
Kev Tiv Thaiv Tshav Ntuj
Feem ntau hais lus, Sunscreens feem ntau siv nyob rau hauv Sunscetics tau muab faib ua ob pawg: ib qho yog organic sib txuas, xws li ketones; Lwm tus yog UV thaiv cov neeg sawv cev, uas yog, lub cev hnub ci, xws li Tii2, Zno. Tab sis ob hom hnub ci tshav ntuj tuaj yeem ua rau cov tawv nqaij khaus, ua xua, thiab tawv nqaij daig. Txawm li cas los xij, ntau cov nroj tsuag muaj cov txiaj ntsig zoo nqus tau rau ntawm cov khoom lag luam thaiv hnub ci, thiab tsis ncaj ncees ntxiv rau cov khoom siv hluav taws xob tiv thaiv kev puas tsuaj los ntawm ultraviolet rays rau daim tawv nqaij.
Tsis tas li ntawd, cov khoom siv tiv thaiv tsom rau hauv cov nroj tsuag cov khoom siv muaj qhov zoo ntawm cov tawv nqaij tsawg, kev nyab xeeb thiab kev ntseeg tau piv nrog cov tshuaj lom neeg thiab lub cev tsoos tsho. Zheng Hongyan li al. Xaiv peb lub ntuj cog cov khoom siv, Cortex, resveratrol thiab arbutatin, thiab kawm txog kev tiv thaiv ntawm lawv cov tshuaj pleev ib ce ntawm tib neeg. Cov txiaj ntsig kev tshawb fawb qhia tau tias: Qee cov nroj tsuag xyoob ntoo cov kev rho tawm qhia pom kev tiv thaiv UV zoo. Kev taw qhia thiab lwm tus siv Tartary buckwle flavonoids raws li cov ntaub ntawv raw los kawm cov tshuaj pleev thaiv hnub ntawm flavonoids. Txoj kev tshawb nrhiav pom tias daim ntawv thov ntawm Flavonoids rau emulscreens muab lub hauv paus rau kev siv cov tshuaj pleev ib ce nyob rau yav tom ntej.
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Lub Sijhawm Post: Jul-12-2022