Txawm hais tias muaj kev pheej hmoo, kev ntxuav muag tawv nqaij yog qhov nrov dua txhua hnub

Ntxuav hniav dawb lossis ntxuav hniav dawb yog ib qho kev sib cav. Nws muab cov txhais tau tias ntxim nyiam los txhim kho koj lub cev.
Muaj ntau txoj hauv kev los ua kom tawv nqaij sib dua. Cov no suav nrog kev kho cov tawv nqaij tshwj xeeb thiab kev kho laser. Vim tias nws tus nqi qis thiab kev nyab xeeb siab dua, ntau tus neeg xaiv cov tshuaj pleev ntsej muag.
Yog tias koj tab tom xav tias cov khoom ntxuav hniav dawb, muaj qee yam uas koj yuav tsum paub ua ntej. Kab lus no piav qhia txog qhov tseem ceeb tshaj plaws, tshwj xeeb yog cov khoom xyaw.莫诺苯宗
Kev ua kom tawv nqaij ntawm lub ntsej muag yog hais txog kev siv cov kev kho tshwj xeeb lossis tshuaj los txhim kho lossis ua kom tawv nqaij tawv. Tib neeg siv ntau lo lus los piav nws, nrog rau ntxuav hniav dawb, ua kom tawv lossis ua kom tawv nqaij.
Kev cuam tshuam ntawm tib neeg daim tawv nqaij mus rau ntau yam yuav ua rau nws dhau los ua npub. Kev laus, kev ua qias tuaj, plua plav, av, ultraviolet duab tshav thiab tshuaj lom neeg (nrog rau cov hauv cov khoom tu tawv nqaij) tuaj yeem ua kom tawv nqaij puas.
Kev noj haus tsis zoo, kev xaiv lub neej tsis zoo thiab kev ntxhov siab kuj tseem tuaj yeem ua rau lub cev tsis zoo ntawm lub cev.
Cov xwm txheej sib txawv no tuaj yeem ua rau ntau yam teeb meem, suav nrog cov voj tsaus, muaj hnub nyoog, pob ntxau thiab pob.
Cov neeg cia siab rau cov khoom siv tshuaj ntxuav hniav dawb thiab tshuaj kho kom daws tau cov teeb meem no. Lawv siv lawv los txhim kho lossis rov ua dua li daim tawv nqaij.
Nrog rau cov khoom ci tawv nqaij, koj tuaj yeem phim hyperpigmented cov tawv nqaij ua kom pom cov xim ntawm daim tawv nqaij ib puag ncig. Cov chaw no suav qhov chaw cim, moles, chloasma thiab tonsils.
Cov tawv nqaij ua kom sib dua yog qhov tshwm sim thoob ntiaj teb, txawm hais tias muaj kev tshaj tawm ntau dua rau cov tawv nqaij pom muaj nyob hauv Africa, Middle East thiab Is Nrias teb. Los ntawm 2013, nws tau kwv yees tias los ntawm 2018, thoob ntiaj teb cov tawv nqaij ntxuav muag cov khoom lag luam yuav ncav cuag ze li 20 txhiab daus las Asmeskas las.
Cov khoom lag luam thiab cov kev kho mob tuaj yeem siv ntau txoj hauv kev los txhawb nqa ib qho ntau dua thiab fairer complexion. Tab sis cov ci ntsa iab feem ntau ua haujlwm los ntawm kev cuam tshuam nrog kev tsim khoom ntawm melanin lossis los ntawm kev pab rhuav tshem nws.
Melanin yog lub tshuaj tseem ceeb uas ua lub luag haujlwm ntawm cov xim tawv nqaij. Qhov no yog ib hom polymer tsaus nti. Muaj ntau cov neeg uas muaj cov tawv dub tsaus nti.
Tib neeg lub cev ua cov xim no los ntawm cov txheej txheem ntawm melanin ntau lawm. Cov kws tshawb fawb tau txheeb xyuas ob yam tseem ceeb ntawm cov khoom hauv cov tawv nqaij thiab plaub hau, uas yog: Eumelanin (xim av lossis xim av) thiab pheomelanin (daj lossis liab). Cov hom tawv nqaij tshwj xeeb yuav txiav txim siab nws lub suab.
Ntau cov ci ntsa iab ua haujlwm los ntawm kev ua kom cov cov xim ntau lawm. Lawv ua qhov no los ntawm kev txo cov kev ua si ntawm qee yam enzymes uas pab txhawb txoj kev. Cov enzyme uas tseem ceeb hauv kev ua ke yog tyrosinase.
Koj lub cev tso siab rau L-tyrosine los ua melanin. Thawj kauj ruam ntawm kev tsim tawm melanin, tyrosinase hloov cov amino acid no rau hauv L-Dopa. Brighteners sim ua rau inhibit qhov hais tawm, ua kom los yog kev ua si ntawm cov enzymes, yog li tiv thaiv kev lag luam ntawm cov xim.
Qee lwm cov khoom xyaw ua cov tshuaj ntxuav hniav dawb tuaj yeem pab txiav txim siab. Lawv pab rhuav tshem cov melanin uas twb tau nyob hauv lub cev lawm.
Coob tus neeg xaiv cov tawv nqaij ntxuav hniav dawb vim tias lawv tsis txaus siab siv cov tshuaj pleev ib ce kom tau txais lub suab tawv nqaij. Txawm hais tias lawv muaj peev xwm them nws, lawv feem ntau ntshai ntawm kev tau txais kev kho mob laser.
Txawm li cas los xij, cov khoom lag luam uas ua kom tiav cov kev ncaj ncees feem ntau raug kev txom nyem los ntawm kev ua quab yuam phem. Raws li cov lus ceeb toom, lawv ua rau ntau yam teeb meem uas yuav ua rau lawv tsis tsim nyog siv txhua.
Nws tau hais tias ntau yam khoom no muaj cov khoom tsis zoo. Qee qhov xwm txheej, lawv tau pom muaj cov tshuaj lom neeg lom neeg uas tuaj yeem ua rau tawv nqaij, nrog rau mob qog noj ntshav.
Cov neeg feem ntau siv lo lus "tshuaj dawb" thaum hais txog cov teeb meem kev nyab xeeb no. Vim li no, cov tuam txhab feem ntau zam dhau siv nws los piav qhia txog lawv cov khoom.
Kev siv cov khoom tsis zoo hauv lub xyoo dhau los tau ua rau cov tshuaj ua kom dawb nyob hauv qee lub tebchaws.
Peb tsis to taub tag nrho vim li cas qee cov tuam ntxhab xaiv cov khoom muaj tshuaj lom no. Hauv kev pom tias qhov muaj kev nyab xeeb dua lossis ntau yam ntxiv. Tej zaum qhov no yuav yog vim muaj qhov muaj siab rau cov txiaj ntsig siab dua.
Hauv qab no peb tham txog qee cov khoom xyaw phom sij, thaum koj pom lawv, koj yuav tsum muab koj tso ua cov tshuaj ntxuav hniav dawb. Koj tseem yuav pom cov lus qhia txog cov khoom xyaw kev nyab xeeb uas cov khoom lag luam zoo yuav tsum muaj.
Qhov no yog ib qho khoom noj nrov heev uas cov tuam ntxhab feem ntau suav nrog hauv cov zaub mov txawv. Tam sim no, ntau thiab ntau tus neeg tau paub txog nws txoj kev phom sij, uas tau ua rau qee cov tuam txhab siv cov lus piav qhia ntse rau qhov no, xws li mercury, mercuric ammonia lossis mercury chloride.
Mercury tau siv rau cov tawv nqaij ntxuav hniav dawb tau ntau xyoo. Thaum nws thov rau cov tawv nqaij, nws muaj peev xwm ua rau qeeb ntawm cov hluavtaws syntananin, yog li nws tau raug qhuas. Txhawm rau kom txo cov chaw tsim khoom lag luam cov nqi, tus nqi yog tsawg thiab yooj yim kom tau txais.
Txij thaum ntawd los, ntau lub tebchaws / thaj chaw (ntxov li xyoo 1970s nyob hauv Europe) tau txwv txoj kev siv cov khoom no rau cov tawv nqaij tawv. Qhov tshuaj yeeb dej caw no txwv thiab txwv tsis pub tso tawm ua ib qho tshuaj lom hauv Tebchaws Meskas.
Mercury tseem yuav nyob nrog daim tawv nqaij ntev, yog li nws tuaj yeem ua lwm yam teeb meem. Nws tuaj yeem ua rau tawv nqaij tawv thiab tsis nti. Tseem muaj ntawv tshaj tawm tias nws cuam tshuam rau lub hlwb kev ua haujlwm thiab ua rau lub raum mob. Thaum siv los ntawm cov poj niam cev xeeb tub lossis cov leej niam pub niam mis, nws kuj tseem tuaj yeem ua rau mob hlwb hauv cov menyuam mos
Qhov no yog ib qho ntawm cov teeb meem ua kom tawv nqaij uas pab txiav tawm. Nws feem ntau pom zoo tias cov neeg uas muaj vitiligo nyiam siv tshuaj pleev los yog cov ntsiab lus los daws teeb meem uas muaj benzophenone. Tus kab mob no yog pom los ntawm lub teeb thiab tsaus tsaus ntawm daim tawv nqaij. Cov lus sib txuas pab txo cov xim hauv daim tawv nqaij thiab ua rau tawv nqaij ua kom tawv nqaij.
Tab sis nws yuav rhuav tshem melanocytes thiab tsim tawm melanosomes xav tau rau melanin synthesis. Yog li ntawd, kev siv nws yuav ua rau muaj kev cuam tshuam mus tas li los yog cuam tshuam tsis tau.
Dhau ntawm vitiligo, cov kws kho mob tsis pom zoo kom siv cov monobenzophenone hauv qab lwm cov kev mob. Tab sis koj yuav xav tsis thoob kom pom tias qee lub tuam txhab suav nrog nws hauv cov tshuaj pleev ib ce dog dig. Cov teeb meem uas yuav tshwm sim los ntawm kev siv cov khoom lag luam ntawd suav nrog kev ua kom tsis sib haum xim thiab ua rau lub hnub muaj zog ntxiv.
Cov tawv nqaij ua lub ntsej muag ua rau muaj kev ntxhov siab, yog li koj siv nws yuav muaj qhov tshwm sim tsis zoo txog lwm tus. Nws tau hais tias thaum siv, nws tuaj yeem ua rau lwm tus tsuas yog los ntawm kev sib chwv tawv nqaij xwb.
Puas txaus koj siab? Tej zaum koj yuav tsis tau paub ua ntej tias cov tshuaj steroids tuaj yeem pom hauv cov khoom ntxuav hniav dawb. Tab sis lawv tuaj yeem ua tau.
Cov tshuaj steroid tuaj yeem pab ntxuav cov tawv nqaij kom sib txawv. Ib ntawm lawv cuam tshuam txog li cas lawv qeeb ntawm cov haujlwm ntawm melanocytes. Tab sis lawv tseem tuaj yeem txo cov txiaj ntsig ntawm daim tawv nqaij ntawm tes.
Txawm li cas los xij, nws yog qhov teeb meem tseem ceeb uas cov tshuaj tsis sib haum no tsis suav nrog ntxuav hniav dawb. Cov kab mob eczema thiab mob psoriasis yog ob yam kab mob uas ua rau lub cev nqaij daim tawv siv ntau zaus los kho. Qhov teeb meem tiag tiag yog siv sijhawm ntev.
Cov tshuaj steroid, suav nrog corticosteroids, tshwj xeeb yog siv los kho kab mob ntawm daim tawv nqaij. Daim ntawv yuav tshuaj tseem yuav tsum tau muab, uas txhais tau tias koj yuav tsis zoo nrhiav lawv hauv cov tshuaj pleev ib ce zoo tib yam. Kev siv ntev ntev ntawm lawv tuaj yeem txo cov tawv nqaij puas tas mus li.
Ntau cov khoom siv tu tawv nqaij muaj cov roj ntxhia ua cov khoom xyaw. Cov neeg tsim khoom siv nws siv los pab ua kom tawv nqaij tawv. Nws tseem pheej yig dua-pheej yig dua li qhov tseem ceeb roj.
Txawm li cas los xij, tib neeg tau txhawj xeeb txog qhov muaj peev xwm ntawm cov khoom siv no ua rau muaj teeb meem tawv nqaij. Cov roj av muaj peev xwm txhaws koj cov tawv nqaij ua hle, ua rau nws nyuaj rau tshem tawm cov tshuaj phem. Yog li, koj tuaj yeem ntsib teeb meem xws li pob ntxau thiab ntxau. Ua kom mob ntxiv rau qhov tsis sib haum xeeb, suav tshuaj xav tias yog cov carcinogenic.
Koj yeej tsis tau txais cov txiaj ntsig ntawm kev ua kom tawv nqaij los ntawm qhov no. Parabens yog ib pab pawg ntawm kev tiv thaiv. Cov neeg tsim khoom siv lawv kom ntev lub txee lub neej ntawm cov tshuaj pleev ib ce.
Cov teeb meem uas cov khoom siv no tuaj yeem ua rau suav nrog kev cuam tshuam nrog koj cov endocrine thiab kev yug menyuam. Nws kuj tau pom muaj ntau ntxiv ntawm kev pheej hmoo ntawm kev mob qog nqaij hlav.
Ntawm no, koj muaj cov khoom xyaw nrov heev hauv cov khoom tu tawv nqaij. Hydroquinone yog ib yam tshuaj uas txwv tsis pub melanin synthesis los ntawm thaiv cov hlab tyrosinase. Qhov no yog qhov zoo. Yog li, nws feem ntau pom muaj ntau cov tshuaj ntxuav hniav dawb cream.
Qhov no tsis txaus ntshai li lwm yam kev tsim txom. Qhov no yog vim hais tias cov kws txawj qee zaum pom zoo nws, tshwj xeeb tshaj yog 2% (lossis qis dua) qhov kev xav tau. Tab sis koj yuav txiav txim li cas lub zog ntawm ib qho ntawm kev ntxuav hniav dawb cream, tshwj xeeb yog tias nws tsis tau hais?
Ntxiv nrog rau lub zog, kev siv lub sij hawm ntev ntawm hydroquinone kuj tseem muaj kev pheej hmoo ntawm kev phiv. Tej zaum yuav ua rau tawv nqaij tshem tawm, qhov xwm txheej nws yuav nyob ruaj khov. Qhov no kuj tseem tuaj yeem cuam tshuam cov qee yam enzymes uas ua lub luag haujlwm tseem ceeb hauv tib neeg lub cev.
Cawv, dioxane thiab phthalates yog lwm qhov muaj feem ua rau muaj kev phom sij uas koj yuav tsum tau them sai sai rau hauv koj cov tawv nqaij lub ntsej muag pleev kom tsis txhob muaj cov xim tsaus.
Thaum tham txog ntuj, muaj kev nyab xeeb rau cov tawv nqaij ua kom pom tseeb, cov npe yuav ua tsis tiav yog tias nws tsis suav nrog cov kua txiv hmab txiv ntoo (xws li txiv kab ntxwv thiab txiv qaub). Cov no tau muaj txiaj ntsig zoo, vim lawv cov vitamin C cov ntsiab lus siab. Nws ntseeg tau tias cov compound muaj cov tawv nqaij ntxuav hniav dawb.
Txawm li cas los xij, nws yog ib qho muaj ntau uas tib neeg tham txog vitamin C ntau dua los ntawm qhov pom ntawm cov txiaj ntsig ntawm daim tawv nqaij. Cov compound muaj cov khoom ua antioxidant thiab tuaj yeem pab tiv thaiv cov tsos mob ntawm kev laus, xws li cov kab zoo thiab pob.
Citrus extract kuj ntseeg tau tias yuav pab txhawb ntxiv ntawm collagen, uas yog cov zais tom qab ruaj, cov tawv nqaij hluas. Lawv tuaj yeem txhim kho kev ntxhib los mos ntawm daim tawv nqaij thiab txhawb txoj kev loj hlob ntawm cov hlwb tshiab.
Cov khoom siv no tseem hu ua vitamin B3 thiab feem ntau pom muaj nyob hauv cov khoom lag luam zoo tawv nqaij. Ib qho ntawm cov laj thawj rau qhov no yog nws cov tawv nqaij ua kom lub ntsej muag. Nws pab txo cov melanin ntau lawm.
Nicotinamide ua cov tshuaj tiv thaiv antioxidant thiab muaj cov khoom ua los tiv thaiv. Koj yuav pom tau tias nws khaws noo thiab pab ua kom cov tawv nqaij du thiab muag. Cov vitamins kuj pab tswj cov roj ntawm daim tawv nqaij.
Thaum siv nrog N-acetylglucosamine, qhov ua tau zoo ntawm cov vitamins no ntseeg tau tias muaj peev xwm ua kom zoo dua qub.
Koj tuaj yeem tau hnov ​​tias qee cov neeg pom zoo siv cov txiv hmab txiv ntoo (xws li mulberry, bearberry lossis blueberry) kom ntxuav koj cov tawv nqaij. Qhov no yog vim muaj qhov sib txuas ua ke hu ua arbutin, tseem hu ua hydroquinone-β-D-glucoside.
Arbutin pab txo qis tsim ntawm melanin hauv lub cev. Nws muaj ob lub isomers: α thiab β. Lub alpha isomer yog qhov ruaj khov thiab ntau dua haum rau lub teeb tawv nqaij.
Lub ntuj tsim no suav hais tias yog ib qho kev nyab xeeb zoo rau cov tshuaj nrov nrov hauv cov khoom lag luam feem ntau. Thaum tyrosinase yuav tsum raug inhibited, daim ntawv ntshiab yog qhov ua tau zoo tshaj plaws.
Tsis yog txhua yam nrog lo lus "acid" yog qhov tsis zoo. Ntau yam ntawm no yog tej yam ntuj tso thiab muaj txiaj ntsig. Yog li tsis txhob ntshai.
Azelaic acid yog cov khoom xyaw ntawm cov pob kws thiab lwm cov nplej, thiab siv ntau dua los kho pob txuv thiab rosacea. Nws tus pH yog txog tib yam li tawv nqaij, yog li nws muaj kev nyab xeeb heev.
Cov kws tshawb nrhiav tau pom tias cov khoom xyaw no tseem tuaj yeem pab ua kom tawv nqaij dawb. Cov kev tshawb fawb pom tau tias nws yog txoj hauv kev zoo los kho cov tawv nqaij. Nws yuav pab tiv thaiv kom tsis txhob tsim cov melanin.
Cov tripeptide molecule no yog qhov nrov los tiv thaiv kev laus uas tiv thaiv daim tawv nqaij los ntawm kev puas tsuaj oxidative. Kev ua kom tawv nqaij yog ib qho ntawm ntau cov txiaj ntsig cuam tshuam nrog nws.
Glutathione tseem muaj lub peev xwm los tiv thaiv lub hnub. Kev ntxuav hniav dawb ntawm daim tawv nqaij feem ntau txo koj lub peev xwm tiv thaiv ntuj hnub. Tab sis cov khoom xyaw no muaj cov khoom siv los tiv thaiv oxidant thiab tuaj yeem tiv thaiv koj los ntawm UV hluav taws xob.
Txawm li cas los xij, cov kws tshaj lij hais tias cov lwg me me muaj qhov nqus qis tsawg thaum siv hauv zos. Ib txoj hauv kev los daws qhov teebmeem no yog siv nws hauv kev sib xyaw nrog lwm cov tshuaj (xws li vitamin C).
Raws li peb txhua tus paub, Suav siv nws rau ntau hom tawv nqaij mob. Cov kev tshawb fawb pom tau tias kev rho tawm los ntawm cov nroj tsuag licorice, tshwj xeeb tshaj yog galapudine, muaj lub peev xwm ntawm lub ntsej muag tawv nqaij.
Cov yam ntxwv no ntseeg tau kom ua kom tawv nqaij zoo sib xws. Tab sis lawv feem ntau ua haujlwm los ntawm inhibiting cov kev ua haujlwm ntawm tyrosinase-tejzaum nws txog li 50%.
Cov kev tshawb fawb pom tau tias vim nws tuaj yeem inhibit cov khoom cua ntawm melanin, nws muaj peev xwm ua kom tawv nqaij zoo. Nws ua qhov no los ntawm kev thaiv cov haujlwm ntawm tyrosinase.
Crystal hmoov yog qhov ua los ntawm malted nplej fermentation, uas zoo heev rau cov tawv nqaij puas thiab tawv. Nws feem ntau tau txais thaum lub sij hawm tsim khoom ntawm Japanese nplej caw. Nws tau hais tias cov Japanese tau siv nws lub sijhawm ntev los kho kho cov tawv nqaij.
Koj yuav tsum nco ntsoov tias nws txawv ntawm qhov kev ruaj khov dua kojic acid dipalmitate tswm ntawm qee cov tuam txhab. Txawm hais tias lwm cov khoom xyaw kuj tseem tuaj yeem pab, nws tsis ua haujlwm zoo li kojic acid.
Qhov no yog ib qho ntawm ob qho alpha hydroxy acids (AHA) uas tau kawm tshaj plaws-qhov yog lactic acid. Vim tias lawv cov molecular loj, lawv tau txais txiaj ntsig zoo rau lawv lub peev xwm los nkag rau txheej sab saum toj ntawm daim tawv nqaij.
Coob leej paub tias glycolic acid yog ib qho exfoliant. Nws pab txhawm rau txhim kho lub zog ua kom rov muaj peev xwm thiab tshem tawm kev tsis zoo lossis tuag tawv nqaij. Tab sis qhov no yog ntau tshaj qhov ntawd.
Nrog rau cov khoom xyaw no, koj tuaj yeem ua kom tawv nqaij ci dua. Cov kev tshawb fawb pom tau tias nws tuaj yeem pab koj txo qis melanin hauv koj lub cev, thiaj li txhawb nqa suab tawv.
Txawm hais tias ntxuav hniav dawb lossis tshuaj dawb ua rau lub ncauj lus tsis zoo, tsis yog txhua tus tuaj yeem them nws. Cov neeg muaj teeb meem ntawm daim tawv nqaij (xws li cov hnub nyoog me ntsis, cov pob me me, lub voj tsaus thiab cov plaques) yuav tsis raug hem los ntawm cov ntawv phem txog qhov teeb meem no.
Qhov tseeb yog tias neeg feem ntau tsis pom zoo rau daim tawv nqaij ntxuav hniav vim qhov muaj peev xwm tshwm sim tsis zoo. Cov lus piav qhia tseem ceeb rau hom teeb meem no yog tias cov chaw tsim khoom siv cov khoom xyaw txaus ntshai, nyiaj los tau. Raws li cov neeg tau txais kev pab ntau ntxiv, qhov kev pheej hmoo phem no tam sim no hloov pauv.
Raws li koj tuaj yeem pom saum toj no, muaj kev nyab xeeb, ntuj tsim uas tuaj yeem ua rau koj lub ntsej muag ci ntsa iab thiab muaj kev noj qab haus huv dua. Koj tsuas yog yuav tsum tau saib cov khoom ntawm cov khoom koj xav tau yuav. Ua ntej yuav khoom, thov tshawb fawb txog lwm yam khoom xyaw uas peb tsis tau hais tawm ntawm no.
Cov ncuav qab zib tsim nyog yog qhov tseem ceeb rau kev ua haujlwm ntawm lub vev xaib. Pawg no tsuas yog muaj cov ncuav qab zib uas ua kom paub txog cov haujlwm thiab kev nyab xeeb ntawm lub vev xaib. Cov ncuav qab zib no tsis khaws cov ntaub ntawv ntiag tug.


Lub sij hawm tshaj tawm: Sep-22-2020