Arbutin
Arbutintseem hu ua arbutin,
Dawb koob siv lead ua los yog hmoov,
Nws muaj npe tom qab nws tau muab rho tawm los ntawm nplooj ntawm bearberry.
Arbutin yog ib qho kev nyab xeeb tshaj plaws thiab zoo tshaj plaws whitening raw cov ntaub ntawv tam sim no nrov txawv teb chaws, thiab nws kuj yog qhov sib tw tshaj plaws ntawm daim tawv nqaij ntxuav hniav dawb thiab freckle tshem tawm cov neeg sawv cev hauv lub xyoo pua 21st.
Nyob rau hauv cov tshuaj pleev ib ce, nws muaj peev xwm zoo whiten thiab tshem tawm freckles ntawm daim tawv nqaij, thiab maj mam ploj thiab tshem tawm freckles, chloasma, melanin, pob txuv thiab hnub nyoog me ntsis ntawm daim tawv nqaij. Nws muaj kev nyab xeeb heev thiab tsis muaj kev phiv xws li khaus thiab rhiab heev. Arbutin tau yooj yim hydrolyzed thiab yuav tsum tau siv ntawm pH ntawm 5-7. Txhawm rau txhim kho qhov ua tau zoo, qhov tsim nyog ntawm cov tshuaj tiv thaiv kab mob xws li sodium bisulfite thiab vitamin E feem ntau yog ntxiv kom ua kom zoo dua qub, tshem tawm cov tawv nqaij, moisturizing, softness, wrinkle tshem tawm, thiab tiv thaiv cov teebmeem.
Arbutin txo qhov tsim ntawm melanin los ntawm inhibiting kev ua ntawm tyrosinase, ib qho enzyme uas tsim melanin. Nws lub hauv paus ntsiab lus ntawm kev ua yog zoo ib yam li cov tshuaj ntxuav hniav dawb hydroquinone.
Txawm li cas los xij, hydroquinone muaj kev phiv thiab yuav tsum tau ceev faj ntau. Nws yuav tsum tau siv raws li kev qhia thiab kev saib xyuas ntawm tus kws kho mob. Muaj ntau cov piam thaj molecules hauv cov qauv ntawm arbutin dua li hydroquinone.
Nws muaj qhov khaus qis thiab tuaj yeem ntxiv dawb rau cov khoom tu tawv nqaij nrog kev txwv siab txog li 7%.
Cov active molecules ntawm arbutin tuaj yeem nkag mus rau hauv cov txheej txheem basal ntawm daim tawv nqaij kom pom kev sib sib zog nqus, thiab tuaj yeem kho chloasma, tsaus me ntsis, tshav pob, thiab pigmentation tshuav los ntawm kev tsis haum tshuaj.
Txhua tus muaj cov teebmeem kev kho mob muaj zog, tab sis yog tias qhov concentration tsawg dhau lawm, qhov ua haujlwm ntev ntawm cov nyhuv yuav tsis muaj zog, yog li 5% concentration yog qhov zoo tshaj plaws thiab muaj txiaj ntsig zoo tshaj plaws rau lub teeb.
Cov concentration ntawm 5% yog ceev tshaj vitamin C nyob rau hauv lightening qhov chaw, thiab lub lightening nyhuv yog ruaj khov thiab yuav tsis ua rau khaus ntawm daim tawv nqaij.
Arbutin yuav raug txo kom hydroquinone tom qab nqus los ntawm daim tawv nqaij. Qhov no tau ua rau qee tus neeg tsis ntseeg txog kev nyab xeeb ntawm arbutin thiab ntseeg tias arbutin tseem yuav raug tsim tawm.
Cov kev mob tshwm sim zoo li Hydroquinone. Cov lus hais ntau tshaj plaws yog "cov khoom tu tawv nqaij uas muaj arbutin tsis tuaj yeem siv thaum nruab hnub, txwv tsis pub cov tawv nqaij yuav tsis ua kom tawv nqaij thiab yuav tsaus dua."
Qhov tseeb, tsis tas yuav txhawj xeeb. Kev ntsuam xyuas tau pom tias tsuas yog arbutin nrog qhov siab tshaj 7% tuaj yeem nkag siab rau lub teeb. Yog li, 7% yog qhov tseem ceeb ntawm kev nyab xeeb. Muaj cov kev cai meej txog kev sib ntxiv ntawm cov khoom xyaw hauv cov khoom tu tawv nqaij. Qhov siab tshaj plaws concentration txwv yog 7%. Nyob rau hauv cov concentration ntau, arbutin tsis txaus ua rau photosensitivity, yog li nws tsis tuaj yeem siv yam tsis muaj kev tiv thaiv lub teeb.
Thaum absorbed los ntawm daim tawv nqaij thiab decomposed los ntawm lub teeb, nws yuav raug txo kom hydroquinone, ua ib tug whitening nyhuv. Qhov concentration ntawm hydroquinone hauv arbutin cov khoom tu tawv nqaij yog tsawg dua 20 ppm (uas yog, 20 feem ntawm ib lab). Raws li qhov kev txwv qis qis, hydroquinone yuav tsis ua rau muaj kev phiv xws li kev tsaus ntuj ntawm daim tawv nqaij.
Yog tias koj ntshai siv cov khoom tu tawv nqaij thaum nruab hnub vim tias lawv muaj arbutin, ces koj tsis tas yuav, tshwj tsis yog cov khoom tu tawv nqaij uas muaj arbutin kuj ntxiv lwm cov khoom siv tu tawv nqaij uas yuav tsum tau tiv thaiv lub teeb.
Hauv luv luv, koj yuav tsum xaiv cov khoom tu tawv nqaij los ntawm cov khoom lag luam txhim khu kev qha, thiab tsis muaj teeb meem dab tsi koj thov, siv kev tiv thaiv tshav ntuj thaum nruab hnub.
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Irene@xahealthway.com
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Post lub sij hawm: Apr-09-2024
