Nyob rau hauv kev nrhiav lub neej zoo niaj hnub no, thaum yuav cov tshuaj pleev ib ce, peb yuav tsum tsis txhob tsuas yog ua tib zoo saib xyuas lub hom lag luam xwb, tab sis kuj yuav tsum nkag siab txog cov yam ntxwv xws li kev ruaj khov thiab kev rhiab heev ntawm cov mis thiab cov tshuaj nplaum. Cov khoom xyaw ntawm ntau cov tshuaj pleev ib ce muaj cov txiaj ntsig ntuj, yog li nws yog qhov tseem ceeb rau cov neeg siv khoom kom kawm paub txheeb xyuas cov khoom xyaw ntawm cov tshuaj pleev ib ce thiab siv qee qhov kev nkag siab zoo, thaum xaiv cov kev yuav khoom raug cai los txo qhov kev pheej hmoo ntawm kev yuav cov tshuaj pleev ib ce cuav.
Yuav ua li cas txhais cov npe ntawm cov khoom xyawtshuaj pleev ib ce?
Raws li cov cai, txij li Lub Rau Hli 17, 2010, txhua yam tshuaj pleev ib ce muag hauv Suav teb (suav nrog kev tsim khoom hauv tsev thiab kev tshaj tawm tshuaj xyuas kev xa khoom tuaj) yuav tsum tau sau cov npe ntawm txhua yam khoom xyaw ntxiv rau cov mis khoom ntawm lub ntim khoom. Kev siv cov cai sau tag nrho cov khoom xyaw tsis yog tsuas yog ua raws li cov kev cai ntawm ntau lub tebchaws xwb, tab sis kuj tiv thaiv cov neeg siv khoom txoj cai paub. Nws kuj muab cov ntaub ntawv khoom lag luam ntau dua, ua rau nws yooj yim dua rau cov neeg siv khoom xaiv cov khoom uas haum rau lawv cov kev xav tau thiab hom tawv nqaij thiab zam cov khoom xyaw ua xua.
Cov khoom xyaw hauv daim ntawv teev cov khoom xyaw pleev kom zoo nkauj muaj ntau yam haujlwm sib txawv:
Cov khoom xyaw ntawm matrix
Cov khoom xyaw no siv ntau heev thiab feem ntau yog cov khoom xyaw tseem ceeb hauv cov tshuaj pleev ib ce. Nws yog cov khoom siv rau cov khoom xyaw nquag hauv cov tshuaj pleev ib ce, suav nrog dej, ethanol, roj av, petroleum jelly, thiab lwm yam.
Cov khoom xyaw rau kev saib xyuas tawv nqaij
Muaj ntau yam khoom xyaw rau hauv kev pleev kom zoo nkauj uas muaj txiaj ntsig zoo rau kev saib xyuas daim tawv nqaij. Lawv cov tshuaj lom neeg muaj ntau yam thiab lawv pab kom daim tawv nqaij noo, ruaj khov, du, ci ntsa iab, thiab lwm yam los ntawm ntau yam ntsiab lus sib txawv, xws li glycerin, hyaluronic acid, thiab collagen hydrolyzate.
Cov khoom xyaw rau kev saib xyuas plaub hau
Cov khoom xyaw no feem ntau muaj cov khoom xyaw uas pab kom cov plaub hau du, xws li roj silicone, ntsev quaternary ammonium, vitamin E, thiab lwm yam, nrog rau cov khoom xyaw uas pab tshem tawm cov dandruff, xws li zinc pyrithione, salicylic acid, thiab lwm yam.
Cov khoom xyaw kho PH
Feem ntau cov tawv nqaij thiab cov plaub hau muaj kua qaub me ntsis, nrog rau pH ntawm kwv yees li 4.5 thiab 6.5, thaum pH ntawm cov plaub hau yog me ntsis nruab nrab mus rau me ntsis kua qaub. Yuav kom tswj tau pH ib txwm ntawm cov tawv nqaij thiab cov plaub hau, cov tshuaj pleev ib ce yuav tsum tswj tau pH kom haum, tab sis lawv tsis tas yuav tsum phim cov tawv nqaij pH. Qee cov khoom uas muaj alkaline ntau dua zoo dua rau kev ntxuav, thaum qee cov khoom uas muaj acidic ntau dua zoo dua rau kev pab cov tawv nqaij rov ua dua tshiab. Cov tshuaj tswj acid-base feem ntau suav nrog citric acid, phosphoric acid, tartaric acid, sodium dihydrogen phosphate, triethanolamine, thiab lwm yam.
Tshuaj tiv thaiv
Cov tshuaj preservatives feem ntau siv suav nrog methylparaben, butylparaben, ethylparaben, isobutylparaben, propylparaben, potassium sorbate, sodium benzoate, triclosan, benzalkonium chloride, methyl chloride Isothiazolinone, methylisothiazolinone, phenoxyethanol, chlorophenol glyceryl ether, sodium dehydroacetate, thiab lwm yam.
Xim
Cov xim feem ntau yog txheeb xyuas los ntawm tus lej tshwj xeeb, xws li CI (Xim Index) ua raws li cov lej thiab/lossis cov ntawv los qhia txog cov xim thiab hom sib txawv.
Cov tshuaj ntxuav tes
Kev ntxuav yog ib qho tseem ceeb ntawm cov tshuaj pleev ib ce, uas feem ntau vam khom cov surfactants. Piv txwv li, cov surfactants uas siv ntau hauv cov tshuaj zawv plaub hau thiab cov tshuaj da dej suav nrog cocamidopropyl betaine, sodium lauryl sulfate, sodium laureth sulfate, thiab lwm yam. Cov roj ntuj (fatty acids) thiab sodium hydroxide, potassium hydroxide, thiab lwm yam feem ntau yog siv los ua cov neeg ntxuav hauv cov tshuaj ntxuav.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-07-2023