Kev lag luam kho kom zoo nkauj thiab kev saib xyuas tus kheej tab tom nrhiav cov khoom xyaw ntuj, muaj kev nyab xeeb, thiab ua haujlwm tau zoo kom tau raws li cov neeg siv khoom xav tau cov khoom zoo. Diatomaceous earth hmoov (diatomite hmoov), ua cov khoom siv ntuj tsim nrog lub peev xwm nqus tau zoo heev thiab cov khoom siv exfoliating maj mam, tau dhau los ua cov khoom siv ntxiv rau hauv kev saib xyuas tawv nqaij thiab cov khoom saib xyuas plaub hau. Nws yuav tsum tau hais meej tias peb cov hmoov diatomaceous earth rau kev siv kho kom zoo nkauj tsuas yog siv rau hauv kev saib xyuas tawv nqaij sab nraud thiab cov khoom saib xyuas plaub hau, xws li cov tshuaj ntxuav ntsej muag, cov tshuaj txhuam lub cev, thiab cov tshuaj zawv plaub hau.

Cov kev sim ua nyob rau hauv ib lub chaw soj nstuam sab nraud uas ywj pheej qhia tau tias cov tshuaj ntxuav ntsej muag uas muaj 5-8% diatomaceous earth hmoov tuaj yeem nqus tau roj ntau dua 2-3 npaug ntau dua li cov tshuaj ntxuav ntsej muag ib txwm muaj, thiab tuaj yeem ntxuav cov qhov hws tob tob, txo qhov tsim ntawm cov blackheads thiab pob txuv. Ib lub npe khoom siv saib xyuas tawv nqaij hauv Kaus Lim Qab Teb tau tsim lub ntsej muag tswj roj nrog diatomaceous earth hmoov ua cov khoom xyaw tseem ceeb. Tom qab 4 lub lis piam ntawm kev siv los ntawm 100 tus neeg ua haujlwm pab dawb uas muaj tawv nqaij oily, 85% ntawm cov neeg ua haujlwm pab dawb tau tshaj tawm tias lawv cov roj tawm ntawm daim tawv nqaij tau txo qis heev, thiab tus lej ntawm cov blackheads thiab pob txuv tau txo qis los ntawm 30-50%. Cov kev kuaj mob ntawm daim tawv nqaij tom qab kuj tau qhia txog kev txo qis 20% ntawm cov qog sebum hauv cov chaw kho mob, qhia txog kev ua haujlwm ntev ntawm diatomaceous earth hmoov hauv kev tswj roj.

Ua ib qho tshuaj pleev tawv nqaij, hmoov av diatomaceous muaj cov yam ntxwv mos mos thiab ua haujlwm tau zoo. Cov duab tsis sib xws ntawm nws cov khoom me me (nrog cov npoo zoo thiab cov ces kaum) tuaj yeem tshem tawm cov hlwb tuag ntawm daim tawv nqaij los ntawm kev sib txhuam lub cev, tab sis nws qhov nyuaj qis dua li cov tshuaj pleev tawv nqaij (xws li cov hlaws polyethylene), yog li nws yuav tsis khawb daim tawv nqaij. Txhawm rau kom nkag siab zoo dua nws cov txheej txheem pleev tawv nqaij, peb tuaj yeem xa mus rau Mohs hardness scale, qhov twg hmoov av diatomaceous muaj qhov nyuaj ntawm 1-2, zoo ib yam li talc, ua rau nws haum rau kev siv txhua hnub ntawm cov tawv nqaij rhiab heev. Hauv kev txhuam lub cev thiab kev txhuam ntsej muag, ntxiv 10-15% hmoov av diatomaceous (qhov loj me 200-500 mesh) tuaj yeem ua tiav cov txiaj ntsig zoo rau kev pleev tawv nqaij. Tom qab siv, daim tawv nqaij yuav du thiab mos, thiab kev nqus ntawm cov khoom saib xyuas daim tawv nqaij tom ntej (xws li tshuaj pleev thiab essences) tau zoo dua 20-30%. Piv nrog cov tshuaj exfoliant ntuj xws li walnut plhaub thiab apricot noob, diatomaceous earth hmoov muaj qhov faib tawm ntawm cov khoom me me sib npaug ntau dua, zam qhov teeb meem ntawm kev tsis sib npaug ntawm cov khoom me me uas tshwm sim los ntawm qhov sib txawv ntawm cov khoom loj. Peb kuj tau tsim cov thev naus laus zis tshiab uas tuaj yeem txhim kho qhov faib tawm ntawm cov khoom me me, kom ntseeg tau tias muaj kev paub txog kev exfoliation zoo ib yam rau cov neeg siv khoom.

Hauv cov khoom siv tu plaub hau, xws li cov tshuaj zawv plaub hau uas tswj tau roj thiab cov tshuaj zawv plaub hau qhuav, hmoov av diatomaceous tuaj yeem ua lub luag haujlwm hauv kev nqus roj thiab ua kom lub taub hau tshiab. Cov tshuaj zawv plaub hau uas tswj tau roj uas muaj 3-5% hmoov av diatomaceous tuaj yeem nqus roj ntau dhau ntawm lub taub hau thiab plaub hau, ua kom cov plaub hau huv thiab tshiab rau lub sijhawm ntev dua. Cov tshuaj zawv plaub hau qhuav, uas siv los ntxuav cov plaub hau yam tsis muaj dej, feem ntau siv hmoov av diatomaceous ua lub ntsiab nqus. Hmoov av diatomaceous hauv cov tshuaj zawv plaub hau qhuav tuaj yeem nqus cov roj thiab av ntawm cov plaub hau sai sai, thiab cov khoom me me tuaj yeem txhuam tawm yooj yim yam tsis muaj cov seem dawb. Ib lub npe tshuaj tu plaub hau hauv Tebchaws Europe tau tsim cov tshuaj zawv plaub hau qhuav nrog hmoov av diatomaceous ua cov khoom xyaw tseem ceeb. Raws li cov lus tawm tswv yim ntawm kev ua lag luam, cov khoom tuaj yeem ua kom cov plaub hau huv rau 24-48 teev tom qab siv, thiab tus nqi txaus siab ntawm cov neeg siv khoom siab txog li 90%. Cov kev tshawb fawb ntxiv ntawm cov neeg siv khoom kuj qhia tau tias 85% ntawm cov neeg siv nyiam cov ntxhiab tsw ntuj ntawm hmoov av diatomaceous hauv cov tshuaj zawv plaub hau qhuav piv rau cov ntxhiab tsw tsim siv hauv cov khoom ib txwm muaj.

Peb cov hmoov av diatomaceous rau cov khoom siv pleev kom zoo nkauj thiab cov khoom siv tu tus kheej muaj kev tswj xyuas zoo kom ntseeg tau tias muaj kev nyab xeeb thiab mos mos. Cov khoom no yog tsim los ntawm kev siv cov hlau diatomite ntshiab siab uas tau khawb los ntawm cov cheeb tsam tshwj xeeb uas paub txog lawv cov hlau zoo tshaj plaws. Peb tau tsim kev koom tes ntev nrog cov tuam txhab khawb av hauv zos kom ntseeg tau tias muaj cov khoom siv raw zoo. Los ntawm ntau kauj ruam kev ntxuav (xws li kev sib cais ntawm lub ntiajteb txawj nqus, kev ntab dej, thiab kev ntxuav kua qaub) kom tshem tawm cov khoom tsis huv xws li cov hlau hnyav thiab cov kab mob me me. Cov hlau hnyav ntawm cov khoom raug tswj hwm nruj me ntsis: txhuas ≤0.0001%, arsenic ≤0.0001%, mercury ≤0.00001%, uas ua tau raws li cov kev cai ntawm International Nomenclature of Cosmetic Ingredients (INCI) thiab European Union Cosmetics Regulation (EC) No. 1223/2009. Cov khoom no kuj tseem raug tua kab mob los ntawm kev siv calcination kub siab (1000-1200 ° C) kom ntseeg tau tias tag nrho cov kab mob yog ≤100 CFU / g thiab tus lej ntawm pwm thiab poov xab yog ≤10 CFU / g, zam kev kis kab mob ntawm daim tawv nqaij los ntawm cov kab mob me me. Tsis tas li ntawd, peb tau siv lub kaw lus taug qab nruj, qhov twg txhua pawg ntawm cov khoom tuaj yeem taug qab rov qab mus rau thaj chaw khawb av, hnub tsim khoom, thiab cov kauj ruam ua tiav, muab rau cov neeg siv khoom nrog kev pom tseeb thiab kev ntseeg siab rau peb cov khoom.

Hais txog cov khoom tshwj xeeb, peb muab cov hmoov av diatomaceous nrog cov qhov loj me sib txawv thiab qhov dawb kom tau raws li qhov xav tau ntawm cov khoom siv pleev kom zoo nkauj sib txawv. Rau cov tshuaj ntxuav ntsej muag thiab lub ntsej muag, peb muab cov hmoov diatomite zoo (500-1000 mesh) nrog qhov dawb siab (≥90), kom ntseeg tau tias cov khoom muaj cov qauv du thiab xim zoo; rau cov tshuaj txhuam lub cev thiab cov tshuaj zawv plaub hau qhuav, peb muab cov hmoov diatomite nruab nrab (200-500 mesh) kom sib npaug cov nyhuv exfoliating thiab qhov mos ntawm daim tawv nqaij. Peb kuj tuaj yeem hloov kho qhov chaw ntawm cov hmoov av diatomaceous (xws li kev hloov kho silane) kom txhim kho nws qhov sib xws nrog cov roj pleev kom zoo nkauj thiab surfactants, kom ntseeg tau tias cov hmoov tuaj yeem sib npaug hauv cov khoom yam tsis muaj kev sib sau ua ke. Peb pab neeg R & D ib txwm tshawb nrhiav cov txheej txheem hloov kho tshiab, xws li siv cov polymers ntuj rau kev hloov kho qhov chaw, uas tsis tsuas yog txhim kho kev ua haujlwm ntawm cov khoom tab sis kuj ua tau raws li qhov xav tau ntawm cov khoom xyaw ntuj thiab ruaj khov hauv kev lag luam pleev kom zoo nkauj.

Yuav kom paub tseeb tias cov khoom muaj kev nyab xeeb thiab ua tau zoo, peb ua ntau yam kev sim, suav nrog kev sim ua kom tawv nqaij khaus (siv txoj kev sim kaw), kev sim ua kom qhov muag khaus, thiab kev sim muaj peev xwm nqus tau. Kev sim ua kom tawv nqaij khaus qhia tau tias peb cov hmoov av diatomaceous tsis khaus rau cov tawv nqaij ib txwm, thiab qhov ntsuas ua kom khaus yog 0, uas haum rau cov tawv nqaij rhiab heev. Peb kuj tau ua kev tshawb fawb txog kev nyab xeeb mus sij hawm ntev rau cov neeg ua haujlwm pab dawb uas muaj ntau hom tawv nqaij sib txawv, thiab cov txiaj ntsig qhia tau tias kev siv cov khoom uas muaj peb cov hmoov av diatomaceous tas mus li rau 6 lub hlis tsis ua rau muaj kev tsis haum ntawm daim tawv nqaij. Kev sim ua kom tawv nqaij khaus (siv sebum simulant) qhia tau tias tus nqi nqus roj ntawm cov khoom yog ≥150%, uas tuaj yeem ua tau raws li cov kev xav tau tswj roj ntawm cov khoom siv pleev kom zoo nkauj. Peb kuj muab cov ntawv qhia txog kev tshuaj xyuas zoo rau cov neeg siv khoom, suav nrog cov ntawv qhia txog kev tshuaj xyuas cov khoom siv raw, cov ntaub ntawv txheej txheem tsim khoom, thiab cov ntawv qhia txog kev tshuaj xyuas cov khoom tiav, los pab cov neeg siv khoom ua tau raws li cov kev cai ntawm ntau lub tebchaws thiab thaj chaw. Tsis tas li ntawd, peb koom tes nrog cov koom haum kuaj xyuas thoob ntiaj teb kom tsis tu ncua tshuaj xyuas thiab hloov kho peb cov txheej txheem kuaj thiab cov qauv, kom ntseeg tau tias peb cov khoom ib txwm ua tau raws li cov kev cai zoo thoob ntiaj teb tshiab.

Hauv kev pabcuam rau cov neeg siv khoom, peb muab kev txhawb nqa rau kev siv cov hmoov av diatomaceous hauv cov khoom siv pleev kom zoo nkauj.