Yuav ua li cas Lactic Acid ua haujlwm raws li Natural pH Adjuster hauv Tshuaj pleev ib ce

Qib pH ntawm cov khoom siv tshuaj pleev ib ce yog qhov tseem ceeb rau lawv txoj kev ua tau zoo, kev nyab xeeb, thiab kev sib raug zoo nrog tib neeg cov tawv nqaij. Peb cov tawv nqaij muaj pH ntuj nyob ib ncig ntawm 5.5, uas yog me ntsis acidic, thiab cov khoom siv tshuaj pleev ib ce yuav tsum tau tsim kom haum cov pH no kom tsis txhob khaus, dryness, los yog puas. Lactic acid, ib tug natural organic acid, tau dhau los ua ib tug nrov pH adjuster nyob rau hauv cov tshuaj pleev ib ce vim nws cov mos mos, zoo, thiab daim tawv nqaij - cov khoom zoo.

 

Lactic acid ua haujlwm raws li pH hloov kho los ntawm kev tso cov hydrogen ions thaum yaj hauv dej, txo cov pH ntawm cov tshuaj pleev ib ce. Tsis zoo li hnyav hluavtaws acids, lactic acid yog me me thiab maj mam ntawm daim tawv nqaij, ua rau nws haum rau txhua hom tawv nqaij, nrog rau cov tawv nqaij rhiab heev. Nws kuj yog ib qho tseem ceeb ntawm cov tawv nqaij acid mantle, uas pab tiv thaiv daim tawv nqaij los ntawm ib puag ncig kev puas tsuaj thiab tswj cov dej noo.

 

Ntxiv nrog rau kev kho pH, lactic acid muaj lwm yam txiaj ntsig rau daim tawv nqaij. Nws yog ib qho alpha-hydroxy acid (AHA), uas pab exfoliate ntawm daim tawv nqaij los ntawm kev tshem tawm cov tawv nqaij tuag, nthuav tawm cov tawv nqaij smoother, ci dua. Nws kuj tseem pab txhim kho daim tawv nqaij zoo nkauj, txo cov tsos ntawm cov kab zoo thiab wrinkles, thiab txhim khu kev nqus ntawm lwm cov khoom siv tawv nqaij. Qhov no ua rau cov kua qaub lactic muaj ntau yam khoom xyaw hauv cov tshuaj pleev ib ce, ua haujlwm ob qho tib si raws li pH adjuster thiab daim tawv nqaij -cov txiaj ntsig additive.

 

Lactic acid yog siv nyob rau hauv ntau yam khoom siv tshuaj pleev ib ce, xws li tshuaj ntxuav tes, toners, moisturizers, serums, thiab exfoliants. Hauv cov tshuaj ntxuav thiab toners, nws pab sib npaug pH ntawm cov khoom, kom ntseeg tau tias nws tsis strip daim tawv nqaij ntawm nws cov roj ntuj. Nyob rau hauv moisturizers thiab serums, nws pab txhim kho daim tawv nqaij hydration thiab kev ntxhib los mos, thaum nyob rau hauv exfoliants, nws muab maj exfoliation kom tshem tawm cov tawv nqaij tuag.

 

Thaum tsim cov tshuaj pleev ib ce nrog lactic acid, nws yog ib qho tseem ceeb uas yuav tsum tau siv qhov tseeb concentration kom ua tiav qib pH thiab cov txiaj ntsig ntawm daim tawv nqaij. Feem ntau, lactic acid yog siv ntawm qhov ntau ntawm 1-10% hauv cov khoom siv tshuaj pleev ib ce, nyob ntawm qhov xav tau siv. Cov concentrations qis dua (1-5%) yog tsim rau cov khoom siv niaj hnub, xws li cov tshuaj ntxuav tes thiab cov moisturizers, thaum muaj ntau dua (5-10%) yog siv rau hauv cov khoom siv exfoliants thiab anti-aging.

 

Rau cov tuam ntxhab thiab cov kws tsim tshuaj pleev ib ce, nrhiav cov khoom zoo - zoolactic acidyog qhov tseem ceeb. Nrhiav zaub mov-qib lossis tshuaj pleev ib ce- qib lactic acid uas muaj purity ntawm 90% lossis siab dua, tsis muaj cov hlau hnyav thiab lwm yam kab mob. Nws tseem yog ib qho tseem ceeb rau xaiv lactic acid uas yog tsim los ntawm ntuj fermentation, raws li hluavtaws lactic acid tej zaum yuav hnyav rau ntawm daim tawv nqaij. Los ntawm kev siv lactic acid raws li lub ntuj pH adjuster, cov tuam txhab tshuaj pleev ib ce tuaj yeem tsim cov khoom lag luam zoo, nyab xeeb, thiab maj mam rau ntawm daim tawv nqaij, ua kom tau raws li qhov xav tau loj hlob rau cov khoom tu tawv nqaij thiab kev noj qab haus huv.