Cov nyhuv thiab kev ua tau zoo ntawm cov tshuaj txhuam hniav rau ntawm daim tawv nqaij
Jun 18, 2024| Cov nyhuv thiab kev ua tau zoo ntawm cov tshuaj txhuam hniav ntawm daim tawv nqaij
Qhia txog tej yam yees siv ntawm hydantoin hauv cov tshuaj txhuam hniav.
Hauv peb lub neej niaj hnub, tshuaj txhuam hniav yog ib yam khoom tseem ceeb, tab sis koj puas paub tias hydantoin hauv cov tshuaj txhuam hniav yog ib qho ntawm cov khoom xyaw zoo nkauj? Qhov no zoo li cov tshuaj lom neeg zoo tib yam yeej muaj ntau yam teebmeem. Ua ntej, cia peb nkag siab cov peev txheej thiab cov yam ntxwv ntawm hydantoin.
Acetoylurea, tseem hu ua urea dimethanylurea, yog cov xim tsis muaj xim crystalline uas nthuav tawm cov xwm txheej me ntsis hauv dej ntawm chav tsev kub. Ib qho ntawm nws txoj kev siv tseem ceeb yog cov khoom xyaw hauv cov tshuaj txhuam hniav, ua lub luag haujlwm tseem ceeb hauv kev noj qab haus huv ntawm qhov ncauj. Acetylurea muab rau peb nrog kev saib xyuas qhov ncauj los ntawm nws cov tshuaj tua kab mob thiab ua kom tawv nqaij.
Ntxiv nrog rau nws cov khoom siv tshuaj tua kab mob, hydantoin kuj tseem muaj txiaj ntsig zoo rau kev ntxuav hniav dawb. Peb txhua tus paub tias kev ntxuav hniav dawb yog ib yam uas txhua tus xav tau, thiab urea hauv tshuaj txhuam hniav tuaj yeem pab peb ua tiav lub hom phiaj no. Los ntawm kev siv cov tshuaj txhuam hniav mus sij hawm ntev uas muaj hydantoin, koj yuav maj mam pom tias koj cov hniav ua kom dawb thiab ntxim nyiam dua. Cov nyhuv whitening no tsis yog tsuas yog superficial, tab sis kuj refreshing ntawm sab hauv tawm, muab rau koj ib tug ntseeg siab thiab kaj luag.
Los ntawm kev nkag siab tob dua ntawm hydantoin hauv cov tshuaj txhuam hniav, nws tsis yog qhov nyuaj los nrhiav pom tias cov khoom xyaw no zais ntau yam tsis zoo. Nws tuaj yeem tsis tsuas yog inhibit qhov kev loj hlob ntawm cov kab mob hauv qhov ncauj, tiv thaiv kev noj qab haus huv ntawm cov hniav, tab sis kuj muab kev luag nyav dawb thiab ntxim nyiam. Yog li ntawd, thaum xaiv cov tshuaj txhuam hniav, tej zaum koj yuav xav ua tib zoo saib seb nws puas muaj cov khoom xyaw ntawm hydantoin, kom nws tuaj yeem ua ob npaug rau kev saib xyuas koj lub qhov ncauj thiab kev zoo nkauj.