Kev Ua Tshuaj zawv plaub hau nrog cov mis tshwj xeeb
Tshuaj zawv plaub hau yog ib yam khoom siv los ntxuav cov plaub hau ntawm lub taub hau thiab cov plaub hau kom huv si ntawm cov av qias neeg, cov roj ntau dhau (sebum), cov khoom seem uas ua rau cov plaub hau zoo li qub, thiab cov pa phem. Tom qab cov khoom yooj yim no muaj cov txheej txheem tsim khoom thiab cov txheej txheem tsim khoom nyuaj heev. Qhov no yog qhov tseeb tshwj xeeb yog tias cov tshuaj zawv plaub hau tau tsim tshwj xeeb rau cov plaub hau poob, cov plaub hau tawg, cov plaub hau uas tau pleev xim, cov plaub hau tawv nqaij rhiab heev, lossis cov kev xav tau tsis muaj sulfate. Tsab xov xwm no tham txog cov txheej txheem tsim tshuaj zawv plaub hau, txij li lub tswv yim ntawm cov mis mus rau kev tsim khoom, suav nrog kev tswj xyuas zoo kom ntseeg tau tias muaj txiaj ntsig zoo, muaj kev nyab xeeb, thiab xis nyob.
1. Nkag Siab Txog Cov Qauv Tseem Ceeb ntawm Cov Tshuaj zawv plaub hau
Ua ntej nkag mus rau hauv cov txheej txheem tsim khoom, nws yog ib qho tseem ceeb kom nkag siab txog cov khoom tseem ceeb ntawm tshuaj zawv plaub hau:
1. Surfactant (tus neeg ntxuav/tus neeg ua npuas dej)
Cov tshuaj surfactants yog cov khoom xyaw tseem ceeb hauv cov tshuaj zawv plaub hau uas tshem tawm cov roj thiab av. Piv txwv li suav nrog SLES (Sodium Laureth Sulfate), SLS, Sodium C14-16 Olefin Sulfonate, lossis cov tshuaj surfactants mos dua xws li Sodium Lauroyl Sarcosinate, Disodium Laureth Sulfosuccinate, thiab Sodium Cocoyl Isethionate (rau cov tshuaj zawv plaub hau khov). Hauv cov mis tshwj xeeb, kev xaiv cov surfactant txiav txim siab qhov mos, ua npuas, thiab qhov ua rau khaus.
2. Cov tshuaj sib xyaw ua ke thiab cov tshuaj ua npuas ncauj
Cov khoom xyaw xws li Cocamidopropyl Betaine lossis Cocamide DEA (tsis tshua siv hauv qee lub tebchaws) tuaj yeem pab ua kom cov npuas dej ruaj khov, txo qhov khaus, thiab txhim kho qhov kev xav thaum siv.
3. Tus neeg sawv cev thickening thiab viscosity regulator
Cov tshuaj ua kom tuab muab cov qauv "tuab" uas cov neeg siv khoom nyiam. Cov no tuaj yeem suav nrog sodium chloride (ntsev) hauv qee lub tshuab surfactant, polymer thickeners xws li HEC (Hydroxyethylcellulose), xanthan gum, lossis acrylates copolymer.
4. Cov tshuaj ua kom tawv nqaij mos (cov tshuaj ua kom tawv nqaij mos)
Rau cov mis tshwj xeeb tiv thaiv kev plaub hau qhuav thiab plaub hau qhuav, cov khoom xyaw xws li Polyquaternium-10, guar hydroxypropyltrimonium chloride, silicone (dimethicone/amodimethicone), lossis qee cov roj esters raug siv.
5. Cov khoom xyaw nquag
Cov no yog cov "mis tshwj xeeb" uas ua rau muaj qhov sib txawv: tiv thaiv dandruff (zinc pyrithione, piroctone olamine, climbazole), scalp soothers (panthenol, allantoin), tiv thaiv plaub hau poob (caffeine, niacinamide), kev saib xyuas plaub hau uas tau kho xim (UV filters, antioxidants), thiab lwm yam.
6. Cov tshuaj tiv thaiv, cov tshuaj chelating, thiab cov tshuaj antioxidants
Vim tias cov tshuaj zawv plaub hau yog ua los ntawm dej, nws yooj yim rau cov kab mob me me. Cov tshuaj preservatives feem ntau suav nrog phenoxyethanol, sodium benzoate, potassium sorbate, lossis lwm yam tshuaj preservatives uas kho pH. Cov tshuaj chelating xws li disodium EDTA pab kom ruaj khov thiab ua tau zoo hauv dej tawv. Cov tshuaj antioxidants xws li tocopherols pab tiv thaiv kev oxidation ntawm qee cov khoom xyaw.
7. Tshuaj tsw qab, xim, thiab pH adjuster
Cov tshuaj tsw qab ua rau cov khoom muaj nws tus kheej. Feem ntau pH yog nyob nruab nrab ntawm 4,5 thiab 6,0, ua kom lub taub hau xis nyob thiab pab cov plaub hau kom nyob twj ywm. Cov tshuaj kho pH muaj xws li citric acid lossis sodium hydroxide.
2. Txheeb Xyuas Lub Hom Phiaj ntawm "Cov Qauv Tshwj Xeeb"
Kauj ruam thawj zaug hauv txhua txoj kev tsim khoom yog txhais lub hom phiaj. Piv txwv li:
– Tshuaj zawv plaub hau rau cov tawv taub hau rhiab heev: cov tshuaj surfactants mos mos, tsw qab tsawg heev, pH zoo rau daim tawv nqaij, tsis muaj tshuaj ua rau khaus, thiab muaj lwm cov tshuaj so (allantoin, panthenol).
– Tshuaj zawv plaub hau tiv thaiv cov plaub hau poob: xav tau cov khoom xyaw nquag uas tua cov kab mob/kab mob; ua tib zoo saib seb cov khoom xyaw puas sib haum thiab pH zoo tshaj plaws.
- Tshuaj zawv plaub hau rau cov plaub hau muaj xim: tshuaj ntxuav uas tsis tshua muaj zog, ntxiv cov tshuaj pleev ib ce, cov tshuaj antioxidants, thiab me ntsis acidic pH.
– Tshuaj zawv plaub hau kom huv (tshuaj ntxuav tob): muaj zog ntxuav tau zoo, tej zaum yuav tsis tshua muaj tshuaj pleev plaub hau, tab sis tseem yuav tsum muaj kev nyab xeeb.
Lub hom phiaj no cuam tshuam rau kev xaiv cov khoom xyaw, kev sib tov, qhov kub ntawm cov txheej txheem, thiab txawm tias hom thickener tsim nyog.
3. Cov Khoom Siv Tseem Ceeb Uas Yuav Tsum Muaj
Cov lag luam hauv tsev lossis MSMEs feem ntau xav tau:
– Lub thoob dej/lub thoob tsis xeb, lub spatula, lub nplai digital uas meej
- Phaj kub nrog lub tshuab sib nqus lossis lub tshuab sib nqus saum toj (zoo tagnrho)
- Lub ntsuas kub, lub ntsuas pH, lub ntsuas viscometer (xaiv tau tab sis zoo)
- Lub lim dej zoo, lub thawv cia khoom thiab lub raj mis ntim khoom
Rau qhov ntsuas ntau lawm, cov thoob sib tov nrog kev tswj qhov ceev, cov tshuab cua sov-txias, thiab qee zaum cov tshuab sib tov nqus tsev yog siv los txo cov npuas cua.
4. Cov Txheej Txheem Tsim Khoom Dav Dav: Cov Kauj Ruam Yog Kauj Ruam
Txawm hais tias txhua tus qauv sib txawv, cov txheej txheem ua haujlwm uas feem ntau siv yog raws li nram no:
A. Theem Dej
1. Npaj cov dej deionized/RO ua lub hauv paus. Cov dej huv ua rau muaj kev ruaj khov thiab txo qhov kev pheej hmoo ntawm kev ua qias tuaj.
2. Yaj cov tshuaj chelating (piv txwv li EDTA) ua ntej.
3. Yog tias siv cov tshuaj ua kom tuab uas muaj cov roj hmab los yog cellulose, maj mam muab nws sib tov kom tsis txhob lo ua ke. Qee cov tshuaj ua kom tuab yuav tsum tau sib tov nrog glycerin ua ntej kom txo tau kev lo ua ke.
4. Ua kom sov yog tias tsim nyog (piv txwv li 40–70°C), nyob ntawm seb cov khoom xyaw yog dab tsi.
B. Ntxiv cov Surfactants
1. Txo qhov kev sib tov kom tsis txhob muaj npuas ntau dhau.
2. Ntxiv cov tshuaj surfactant tseem ceeb ua ntej (SLES lossis lwm yam tshuaj uas tsis muaj zog), tom qab ntawd ntxiv cov tshuaj co-surfactant (betaine, sarcosinate, thiab lwm yam).
3. Do kom txog thaum du. Tsis txhob txiav ntau dhau yog tias cov mis nyuj yooj yim ua npuas ncauj.
C. Kev Teeb Tsa Viscosity
1. Rau qee lub tshuab, ntsev (NaCl) raug ntxiv maj mam, me ntsis los ntawm me ntsis, thaum saib xyuas qhov viscosity. Ntshav ntau dhau tuaj yeem ua rau qhov viscosity poob qis dua (qhov xwm txheej "ntsev nkhaus").
2. Yog tias siv cov tshuaj polymer thickener, feem ntau nws raug ntxiv rau theem pib lossis raws li cov lus qhia ntawm cov khoom siv (qee qhov xav tau pH neutralization kom tuab).
D. Kev txias thiab ntxiv cov khoom siv rhiab heev
Thaum cov khoom sib tov ruaj khov thiab qhov kub tau poob qis (feem ntau <40°C), ntxiv cov hauv qab no: - Tshuaj tiv thaiv - Cov khoom xyaw nquag uas rhiab rau cua sov (piv txwv li qee cov niacinamides, qee cov tshuaj ntsuab, tshuaj tsw qab) - Qee cov tshuaj kho kom zoo nkauj uas ruaj khov dua ntawm qhov kub qis dua Do kom txog thaum sib xyaw ua ke.
E. Kev Kho pH Ntsuas pH nrog lub pH meter. Kho me ntsis zuj zus: - Txo cov pH nrog cov kua citric acid.
- Ua kom pH nce ntxiv nrog cov kua NaOH uas yaj heev.
Kev kho pH yog ua tiav thaum kawg vim tias ntau cov khoom xyaw tuaj yeem hloov pH thiab qee cov thickeners ua haujlwm ntawm qhov pH tshwj xeeb.
F. Kev Tshem Tawm Cov Npuas (Deaeration) Cov npuas ua rau cov khoom zoo li pos huab thiab qhov ntim zoo li "nthuav dav". Cia nws sawv rau 12–24 teev, lossis siv lub tshuab nqus tsev sib tov rau ntawm qhov ntsuas kev lag luam. Thaum cov npuas dej ploj mus, cov khoom yuav pom tseeb dua thiab sib xws dua thaum sau.
5. Kev Nyuaj Siab Hauv Cov Qauv Kev Cai Tsim "cov qauv kev cai" feem ntau tsa cov teeb meem hauv qab no: 1. Cov av qeeg lossis cov huab cua tuaj yeem tshwm sim los ntawm cov tshuaj ntsuab rho tawm, kev tsis sib haum xeeb ntawm cov surfactants nrog cov khoom xyaw nquag, lossis pH tsis tsim nyog. Kev daws teeb meem: xyuas seb puas sib haum, siv cov tshuaj yaj, lossis hloov cov khoom xyaw nquag.
2. Qhov viscosity hloov pauv ntau heev Ua rau: cov ntsev tsis muaj zog, pH hloov pauv, lossis qhov kub. Sim ntawm ntau qhov kub thiab txias (txias-kub) kom paub tseeb tias ruaj khov.
3. Kev khaus ntawm daim tawv nqaij Txawm hais tias "active" tej zaum yuav nyiam, cov surfactants hnyav lossis cov tshuaj tsw qab hnyav tuaj yeem ua rau khaus. Rau cov tawv nqaij rhiab heev, siv cov tshuaj surfactants uas mos dua, ntxiv cov humectants/soothing agents, thiab tswj kom cov pH zoo rau daim tawv nqaij.
4. Cov tshuaj tiv thaiv tsis zoo Xaiv cov tshuaj tiv thaiv tsis raug yuav ua rau cov khoom tsis muaj kev nyab xeeb. Xyuas kom tseeb tias cov tshuaj preservative phim cov pH thiab cov khoom sib xyaw. Ntawm qhov ntsuas lag luam, kev kuaj kab mob microbiological (kev sim nyuaj) yog qhov pom zoo heev.
6. Kev Tswj Xyuas Zoo (QC) uas Yuav Tsum Tau Ua Txhawm rau kom ntseeg tau tias cov tshuaj zawv plaub hau tsim nyog rau kev siv thiab sib xws, xyuas cov hauv qab no: - pH (lub hom phiaj raws li cov lus thov khoom) - Viscosity (qhov tuab sib xws ntawm cov da dej) - Qhov tsos: xim, meej, tsis muaj av - Aroma: ruaj khov tom qab khaws cia - Kev sim ruaj khov yooj yim: khaws cia rau qhov kub thiab txias hauv chav, qhov kub kub (piv txwv li. 40°C), thiab qhov kub txias rau ob peb lub lis piam; saib xyuas kev hloov pauv - Ua npuas ncauj sab hauv thiab kev kuaj ntxuav (vaj huam me me) Rau cov khoom muag dav dav, nws yog qhov tsim nyog los ua raws li cov qauv kev cai hauv zos, suav nrog kev nyab xeeb ntawm cov khoom siv, daim ntawv lo, thiab kev kuaj xyuas uas xav tau.
7. Piv txwv ntawm Lub Tswv Yim Tshwj Xeeb (Tsis Muaj Cov lej Qhia) Cov hauv qab no yog ib qho piv txwv ntawm lub tswv yim los piav qhia txog kev coj ua ntawm cov mis: - Tshuaj zawv plaub hau tiv thaiv dandruff: cov tshuaj surfactant mos mos + cov khoom xyaw nquag tiv thaiv dandruff + chelator + tshuaj preservative + pH raws li cov khoom xyaw nquag + me ntsis conditioner kom cov plaub hau tsis qhuav.
- Tshuaj zawv plaub hau pab kom plaub hau poob: tshuaj surfactant me me + caffeine/niacinamide + panthenol + polymer conditioning + tshuaj tsw qab me me.
- Tshuaj zawv plaub hau uas tsis muaj sulfate rau cov plaub hau muaj xim: cov tshuaj surfactants uas tsis muaj sulfate (sarcosinate/sulfosuccinate/betaine) + cov tshuaj antioxidants + lim UV + pH acidic + tshuaj pleev kom cov plaub hau zoo nkauj.
Lub tswv yim ntawd tau raug sim thiab kho kom zoo dua los ntawm ntau qhov kev sim kom txog thaum ua tiav qhov kev ua tau zoo tshaj plaws.
8. Xaus Lus Cov txheej txheem ntawm kev ua tshuaj zawv plaub hau nrog cov mis tshwj xeeb tsis yog tsuas yog hais txog kev sib tov cov khoom xyaw xwb, tab sis kuj nkag siab txog kev ua haujlwm ntawm txhua yam khoom, cov txheej txheem sib tov, qhov kub ntawm cov txheej txheem, thiab kev sib cuam tshuam ntawm cov khoom xyaw nquag. Tus yuam sij rau kev vam meej yog nyob rau hauv peb yam: lub hom phiaj ntawm cov khoom kom meej, cov txheej txheem sib tov kom raug, thiab kev kuaj xyuas qhov zoo thiab ruaj khov ua ntej siv lossis muag cov khoom. Yog siv txoj kev zoo, cov tshuaj zawv plaub hau yuav ua tau mos dua, zoo dua raws li qhov xav tau, thiab tseem muaj kev nyab xeeb rau lub taub hau thiab cov plaub hau.
Yog tias koj xav tau, kuv tuaj yeem pab koj tsim ib daim ntawv qhia txog kev siv tshuaj pleev ib ce uas haum rau koj lub hom phiaj (piv txwv li, tiv thaiv cov plaub hau poob, tiv thaiv cov plaub hau poob, lossis tawv nqaij rhiab heev), ua tiav nrog cov txheej txheem thiab cov kev ntsuas uas pom zoo.
