Vitamin C(VC) yog ib qho tshuaj pleev xim rau hauv cov tshuaj pleev ib ce, tab sis muaj cov lus xaiv hais tias siv VC-muaj tshuaj pleev ib ce thaum nruab hnub yuav tsis tsuas yog tsis ua kom tawv nqaij dawb xwb, tab sis kuj yuav ua rau cov tawv nqaij tsaus; Qee cov neeg txhawj xeeb tias kev siv cov khoom tu tawv nqaij uas muaj VC thiab nicotinamide tib lub sijhawm yuav ua rau muaj kev fab tshuaj. Kev siv VC-muaj tshuaj pleev ib ce ntev ntev yuav ua rau daim tawv nqaij nyias. Qhov tseeb, cov no yog tag nrho cov kev to taub yuam kev txog VC-muaj tshuaj pleev ib ce.
Tswvyim 1: Siv nws thaum nruab hnub yuav ua rau koj cov tawv nqaij tsaus
VC, tseem hu ua L-ascorbic acid, yog lub ntuj antioxidant uas tuaj yeem siv los kho thiab tiv thaiv tawv nqaij los ntawm tshav ntuj. Hauv cov tshuaj pleev ib ce, VC tuaj yeem ua rau qeeb ntawm cov txheej txheem synthesis ntawm melanin xws li dopaquinone los ntawm kev cuam tshuam nrog tooj liab ions ntawm qhov chaw nquag ntawm tyrosinase, yog li cuam tshuam nrog kev tsim cov melanin thiab ua tiav cov txiaj ntsig ntawm whitening thiab tshem tawm freckles.
Kev tsim ntawm melanin muaj feem xyuam rau cov tshuaj tiv thaiv oxidation. Raws li ib qho tshuaj antioxidant,VCtuaj yeem cuam tshuam oxidation cov tshuaj tiv thaiv, tsim cov nyhuv whitening, txhim kho daim tawv nqaij thiab rov tsim muaj peev xwm, ncua kev laus, thiab txo cov kev puas tsuaj ntawm daim tawv nqaij. VC tsis ruaj khov thiab yooj yim oxidized nyob rau hauv cov huab cua thiab poob nws cov kev ua antioxidant. Ultraviolet rays yuav ceev cov txheej txheem oxidation. Yog li ntawd, nws raug pom zoo kom sivVC-muaj tshuaj pleev ib cehmo ntuj los yog deb ntawm qhov kaj. Txawm hais tias kev siv VC-muaj cov tshuaj pleev ib ce thaum nruab hnub yuav tsis ua tiav cov txiaj ntsig zoo, nws yuav tsis ua rau tawv nqaij tsaus. Yog tias koj siv VC-muaj cov khoom tu tawv nqaij thaum nruab hnub, koj yuav tsum tiv thaiv koj tus kheej ntawm lub hnub, xws li hnav khaub ncaws ntev, lub kaus mom, thiab lub kaus mom. Cov khoom siv teeb pom kev zoo xws li cov teeb ci incandescent, fluorescent teeb, thiab LED teeb, tsis zoo li cov hluav taws xob ultraviolet, tsis cuam tshuam rau VC, yog li tsis tas yuav txhawj xeeb txog lub teeb tawm los ntawm cov xov tooj ntawm tes uas cuam tshuam rau kev ua haujlwm ntawm VC-muaj tshuaj pleev ib ce.
Tswvyim 2: Kev siv mus ntev yuav ua rau daim tawv nqaij nyias
Qhov peb feem ntau hu ua“daim tawv nqaij thinning”Qhov tseeb yog qhov thinning ntawm stratum corneum. Qhov laj thawj tseem ceeb rau qhov thinning ntawm stratum corneum yog tias cov hlwb hauv cov txheej txheem basal puas lawm thiab tsis tuaj yeem faib thiab rov tsim dua qub, thiab lub voj voog qub metabolic raug rhuav tshem.
Txawm hais tias VC yog acidic, VC cov ntsiab lus hauv cov tshuaj pleev ib ce tsis txaus ua rau muaj kev phom sij rau daim tawv nqaij. VC yuav tsis ua rau stratum corneum thinner, tab sis cov neeg uas muaj thinner stratum corneum feem ntau muaj cov tawv nqaij rhiab dua. Yog li ntawd, thaum siv VC-muaj cov khoom siv ntxuav hniav dawb, koj yuav tsum xub sim nws ntawm thaj chaw xws li qab pob ntseg los xyuas seb puas muaj kev fab tshuaj.
Tshuaj pleev ib ceyuav tsum tau siv nyob rau hauv moderation. Yog tias koj siv lawv ntau dhau los nrhiav kev ntxuav hniav dawb, koj yuav poob ntau tshaj qhov koj tau txais. Raws li VC muaj kev txhawj xeeb, tib neeg lub cev qhov kev thov thiab kev nqus ntawm VC yog txwv. VC uas ntau tshaj qhov tsim nyog ntawm tib neeg lub cev yuav tsis tsuas yog nqus tau, tab sis kuj tuaj yeem ua rau raws plab thiab tseem cuam tshuam rau coagulation muaj nuj nqi. Yog li, VC-muaj tshuaj pleev ib ce yuav tsum tsis txhob siv ntau dhau.
Post lub sij hawm: Dec-15-2023