Cov menyuam yaus tawv nqaij tiv thaiv kev ua txhaum los ntawm cov khoom lom. Tab sis puas yog cov tshuaj pleev ib ce los ntawm "cov khoom lag luam menyuam yaus" qeb tau lees tias muaj kev nyab xeeb ntawm tus menyuam txoj kev noj qab haus huv? Cia peb sim xav paub seb cov khoom xyaw twg hauv cov tshuaj zawv plaub hau menyuam yuav tsum raug zam kom tsis txhob muaj kev phom sij rau tus menyuam.
Ntawm tag nrho cov khoom lag luam saib xyuas menyuam yaus, tshuaj zawv plaub hau muaj cov kev mob tshwm sim ntau tshaj plaws. Lawv feem ntau suav nrog tshuaj ntxuav tes uas ua rau tus me nyuam cov tawv nqaij sib chwv, tshuaj tsw qab thiab cov tsiaj muaj roj. Cov khoom tsis zoo tshaj plaws ntawm cov tshuaj zawv plaub hau yog sodium laureth sulfate, diethanolamine, triethanolamine, monoethanolamine, quaternium-15, DMDM hydantoin, polyethylene glycol, propylene glycol, thiab ethylenediaminetetraacetic acid.
Sodium laureth sulfate
Sodium laureth sulfate / sodium lauryl sulfate yog ib qho ua kom ua pa uas txhawb nqa kev tsim cov carcinogenic nitrosamines. Txawm hais tias tau ntxiv rau cov tshuab ntxhua khaub ncaws thiab tshuab ziab khaub ncaws, nws yog nyob deb ntawm cov khoom nrov tshaj plaws hauv kev lag luam tshuaj pleev ib ce. Raws li American College of Toxicology, cov khoom siv no tuaj yeem ua teeb meem rau cov menyuam yaus. Raws li cov kev tshawb fawb tau nqa tawm, nws tau pom tias sodium laureth sulfate yog qhov txaus ntshai rau tib neeg lub cev tsis muaj zog; qhov no tshwj xeeb tshaj yog rau kev tiv thaiv kev ua haujlwm ntawm daim tawv nqaij. Hauv qab ntawm qhov tshuaj no, cov tawv nqaij tuaj yeem ua rau exfoliate thiab ua rau o. Thiab kev sib xyaw nrog lwm cov tshuaj, laureth sulfate hloov dua siab tshiab rau nitrosamines, chav kawm txaus ntshai ntawm carcinogens. Daim ntawv tshaj tawm los ntawm American College of Toxicology tau hais tias "sodium laureth sulfate tseem nyob hauv tib neeg lub cev rau tsib hnub, thiab nws cov khoom tawg tau tso rau hauv lub hlwb ntawm lub plawv, mob siab, ntsws thiab lub hlwb."
Cov tshuaj zawv plaub hau uas tsis muaj qhov ntsej muag muaj qhov pH tib yam li tib neeg lub kua muag, yog li nws tsis lo thaum nws nkag mus rau hauv lub qhov muag. Tab sis ib qho pH nruab nrab tsis muaj kev chim siab rau saum tawv taub hau, yog li koj yuav tsum xaiv nws, zam kev sib cuag nrog koj lub ntsej muag.
Diethanolamine, Triethanolamine, Monoethanolamine
DEA, MEA thiab TEA yog ammonia derivatives uas ua rau muaj kev tsis txaus los ntawm hormonal. Lawv hloov mus rau nitrates thiab nitrosamines, uas tuaj yeem ua rau mob qog nqaij hlav. Feem ntau, nyob rau hauv cov tshuaj muaj pes tsawg leeg, lawv tau qhia ua ke nrog cov tshuaj nruab nrab, piv txwv li, Cocoamide DEA lossis Lauramide DEA. Cov tshuaj yeeb dej caw no ua rau muaj kev phom sij nyob rau hauv, nrog kev siv tas li, lawv ua rau daim siab mob siab los yog mob raum.
DMDM hydantoin
Cov tshuaj no, zoo li imidazolidinyl urea, feem ntau siv rau hauv cov tshuaj pleev ib ce ua tshuaj tiv thaiv. Nws zwm rau cov khoom nruab nrog formaldehyde-pub tshuaj uas tuaj yeem tsim tau formaldehyde, uas ua rau lub cev ua pa ntawm txoj hlab pa, ua rau cov tawv nqaij tsis haum thiab lub plawv dhia. Cov khoom tawg ntawm formaldehyde yog lub luag haujlwm rau ntau yam teeb meem kev noj qab haus huv xws li mob sib koom ua ke, kev fab tshuaj, kev nyuaj siab, mob hauv siab, mob pob ntseg, mob ntsws thiab mob insomnia. Cov kev phiv loj heev los ntawm qhov chwv cov tshuaj kuj tseem ua rau tus me nyuam lub cev tiv thaiv kab mob tsis muaj zog thiab ua rau mob cancer.
Propylene glycol
Qhov surfactant no yog lub ntsiab tivthaiv ntawm kev tua kabmob. Ntawd yog, tib yam khoom siv raug siv rau hauv kev lag luam kev lag luam thiab hauv tshuab zawv plaub hau rau menyuam yaus. Propylene glycol rhuav tshem cov qauv ntawm tes thiab yooj yim nkag mus rau hauv cov hlab ntshav. Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS) ceeb toom tias yuav tsum hnav khaub ncaws tiv thaiv thaum ua haujlwm nrog propylene glycol, vim kev sib cuag nrog cov tawv nqaij yuav ua rau lub hlwb, daim siab thiab lub raum.
Quaternium-15
Quaternium-15 (quaternium-15) yog siv los ua cov tshuaj tua kab mob, tshuaj tiv thaiv kab mob ntawm cov menyuam yaj cov tshuaj zawv plaub hau. Zoo li hydantoin, nws muaj peev xwm tso formaldehyde, cov khoom ntawm carcinogenic uas tau paub ntev.
Xyoo 2011, Johnsons & Johnson, nyob rau hauv kev nyuaj siab los ntawm thoob ntiaj teb kev pom zoo, pom zoo tshem tawm quaternium-15 thiab 1, 4-dioxane los ntawm menyuam cov khoom lag luam, txawm hais tias qhov tshiab ntawm cov khoom raug xa tawm tsuas yog rau qee cov tebchaws European.
Hmoov tsis zoo, daim ntawv sau "rau menyuam yaus" tsis tuaj yeem lav kev nyab xeeb ntawm kev siv cov khoom lag luam, yog li koj yuav tsum ua tib zoo nyeem cov tshuaj zawv plaub hau kom tsis txhob muaj qhov tsis zoo rau kev noj qab haus huv, thiab qee zaum lub neej ntawm koj tus menyuam.
