Acetyl Tetrapeptide-5 yog dab tsi hauv Cosmetic Formulation?
Acetyl Tetrapeptide-5 (INCI; CAS 820959-17-9) yog ib qho hluavtaws acetylated tetrapeptide formulated rau hauv cov khoom tu qhov muag xws li cov tshuaj pleev qhov muag, cov tshuaj pleev qhov muag aqueous, cov tshuaj pleev ib ce thiab O / W qhov muag cream. Nws yog cais raws li ib tug signaling peptide active, positioned rau periorbital puffiness tsos kev txhawb nqa.
Kev lag luam, nws muaj nyob rau hauv ob hom thawj: ntshiab lyophilized hmoov, thiab ua ntej - diluted aqueous daws. Qhov kev xaiv ntawm hom cuam tshuam rau kev suav dosing, solubility tuav thiab txee lub neej. Acetyl Tetrapeptide-5 feem ntau yog tsim nyob rau hauv aqueous systems thiab tsis yog feem ntau xaiv rau cov tshuaj anhydrous oil-based formulations.
Rau cov khoom siv raw specifications thiab cov kev xaiv ntau, mus saib hauvAcetyl Tetrapeptide-5 hmoovnplooj ntawv khoom. Rau keeb kwm yav dhau ntawm kev ua haujlwm lom neeg, xa mus rau peb qhov tob tob ntawm Acetyl Tetrapeptide-5 mechanism ntawm kev ua.
Dab tsi yog Qhov Tseem Ceeb Formulation Parameters?
Dab tsi yog pH zoo tshaj rau Acetyl Tetrapeptide-5?
Acetyl Tetrapeptide-5 yuav tsum tau tsim nyob rau hauv qhov chaw ruaj khov uas tau teev tseg los ntawm raw- cov khoom siv. Rau ntau lub tshuab peptide tshuaj pleev ib ce, me ntsis acidic rau ze - ib puag ncig nruab nrab yog qhov nyiam, tab sis qhov zoo pH tsis tuaj yeem hais dav dav thoob plaws txhua hom khoom siv raw.
Raws li qhov pib ntawm txoj kev loj hlob, ntau tus tsim qauv pib tshuaj xyuas nyob rau hauv pH 5.5-6.0 ntau yam, uas sib npaug peptide kev ruaj ntseg, daim tawv nqaij sib raug zoo thiab kev tiv thaiv zoo. Qhov no yog lub hauv paus siv, tsis yog universal specification. Qhov kawg tau txais pH ntau yam yuav tsum tau lees paub tawm tsam tus neeg muag khoom TDS tam sim no thiab tau txheeb xyuas los ntawm kev ua tiav - khoom ntsuas kev ruaj ntseg.
Dab tsi kub yuav tsum tau siv thaum tsim?
Zoo li lwm yam peptide actives, nws cov tshuaj ruaj khov tuaj yeem cuam tshuam los ntawm pH, kub, dej ua haujlwm thiab tsim ib puag ncig. Ntev raug rau qhov kub siab tuaj yeem ua rau muaj kev pheej hmoo degradation.
Rau ntau emulsion formulations, ntxiv peptide yog ua thaum lub sij hawm tswj txias txias, tom qab emulsification tiav. Qhov tsim nyog ntxiv qhov kub thiab txias yuav tsum raug txiav txim los ntawm tus neeg xa khoom- cov ntaub ntawv ruaj khov tshwj xeeb thiab cov txheej txheem tsim tau siv tau, tsis yog kho raws li qhov pib thoob ntiaj teb.
Puas yog Acetyl Tetrapeptide-5 Dej-Soluble?
Acetyl Tetrapeptide-5 feem ntau yog tsim nyob rau hauv aqueous cosmetic systems. Qhov tseeb solubility nyob ntawm raw cov ntaub ntawv, concentration, kub, pH thiab muaj lwm yam khoom xyaw yaj xws li ntsev, humectants thiab active compounds.
Rau kev noj kom raug, kev xyaum zoo tshaj yog ua ntej - dissolve peptide nyob rau hauv ib feem me me ntawm cov dej huv ua ntej ntxiv rau ntau pawg. Formulators yuav tsum tsim kom muaj kev solubility ntawm qhov npaj siv concentration thiab pH ua ntej scale - nce, kom tsis txhob los nag lossis tsis tiav dispersion.
Yuav Ua Li Cas Ntxiv rau Cov Qauv?
Raws li cov txheej txheem kev ua haujlwm dav dav, rhiab peptide actives feem ntau yog ntxiv lig rau hauv cov txheej txheem tsim khoom, tom qab siab -cov txheej txheem kub ua tiav. Qhov no minimizes raug tshav kub, shear thiab pH fluctuations.
Cov txheej txheem ua raws li nram no: npaj cov dej thiab roj theem → ua emulsification → txias batch → ntxiv ua ntej -solved peptide → ntxiv preservatives thiab kub - rhiab heev active → maj homogenization → kawg pH check → mus rau sau. Qhov ntsuas kub thiab qhov sib tov yuav tsum tau txhais rau txhua tus neeg tsim.
Yuav tsum khaws Acetyl Tetrapeptide-5 li cas?
Raw Acetyl Tetrapeptide-5 hmoov feem ntau yog khaws cia kaw, tiv thaiv los ntawm lub teeb thiab noo noo, nyob rau hauv qhov tsim nyog kub rau ntev - lub sij hawm tuav. Thaum qhib, aliquoting rau hauv me me siv feem yog pom zoo kom tsis txhob rov qab khov-thaw mus.
Cov qauv ua tiav tau zoo tshaj plaws khaws cia hauv lub teeb -cov ntaub ntawv tiv thaiv kom txo qis kev pheej hmoo photodegradation. Lub neej txee tiag tiag yog kev tsim- tshwj xeeb thiab yuav tsum tau txiav txim siab los ntawm kev tshawb fawb ruaj ntseg.
Yuav siv Acetyl Tetrapeptide-5 npaum li cas?
Tshaj tawm cov khoom lag luam rau Acetyl Tetrapeptide-5-muaj cov tshuaj pleev ib ce qhia txog kev siv qib uas sib txawv ntawm cov khoom lag luam thiab kev ua haujlwm siab. Vim hais tias cov khoom lag luam tuaj yeem muab los ua cov hmoov peptide ntshiab lossis raws li cov kev daws teeb meem ua ntej, cov neeg tsim khoom yuav tsum xam qhov tseeb peptide concentration los ntawm tus neeg muag khoom qhov tshwj xeeb es tsis yog siv feem pua.
Rau kev txhim kho kev ua haujlwm, tus neeg muag khoom tau pom zoo siv qib yuav tsum tau kho raws li qhov pib ntawm kev tshuaj ntsuam xyuas, ua raws li kev ua haujlwm sab hauv thiab kev ruaj ntseg validation. Cov concentration siab dua tsis tuaj yeem ntseeg tau los ntawm kev txhim kho cov txiaj ntsig zoo nkauj, thiab tuaj yeem nce nqi yam tsis muaj txiaj ntsig ntxiv.
Yuav ua li cas Formula Acetyl Tetrapeptide-5 nyob rau hauv ib lub qhov muag Serum
Cov tshuaj pleev qhov muag yog hom khoom xa tuaj tshaj plaws rau Acetyl Tetrapeptide-5. Hauv qab no yog ib qho kev tsim qauv tsim kev ua haujlwm rau qhov yooj yim aqueous eye serum, npaj raws li cov txheej txheem txheej txheem dav dav es tsis yog kev tsim khoom siv SOP.
- Npaj lub aqueous theem puagNtsuas cov dej lim dej, humectants thiab viscosity modifiers rau hauv lub nkoj loj. Do kom txog thaum tag nrho hydrated thiab homogeneous.
- Kho pH rau lub hom phiaj pib ntau yamNtsuas pH ntawm lub hauv paus. Kho rau lub hom phiaj kev loj hlob pH siv dilute acid los yog hauv paus, raws li tsim nyog rau formulation.
- Ntxiv cov khoom xyaw ua haujlwm tau zooMuab cov dej sib xyaw ua ke -soluble functional actives, chelating agents thiab soothing cov khoom xyaw uas ruaj khov ntawm kev ua haujlwm kub. Do kom txog thaum tag nrho yaj.
- Txias rau tus neeg muag khoom- pom zoo ntxiv qhov kub thiab txiasYog tias cov cua sov tau siv rau hydration los yog ua, txias cov batch mus rau qhov pom zoo ntxiv kub ua ntej peptide incorporation.
- Npaj peptide Tshuag tovNtsuas qhov xav tau ntawm Acetyl Tetrapeptide-5 thiab yaj tag nrho hauv ib qho me me ntawm cov dej lim dej hauv chav tsev kub. Paub meej tias kev ua tiav tiav ua ntej ntxiv.
- Ntxiv peptide rau batchNtxiv cov tshuaj peptide rau cov khoom tseem ceeb nrog maj mam, qis -shear stirring. Tsis txhob sib xyaw ua ke uas qhia cov huab cua ntau dhau.
- Ntxiv preservative systemNtxiv cov tshuaj preservative thiab tej yam tshuaj tsw qab nyob rau theem no. Paub meej tias preservative compatibility nrog peptide thiab pH ntau.
- Homogenize thiab txheeb xyuas qhov pH kawgUa tib zoo homogenization kom ntseeg tau tias uniformity. Rov xyuas pH kawg thiab kho yog tias tsim nyog.
- Xa rau kev kuaj kev ruaj ntsegNtim cov qauv qauv thiab pib kuaj kev ruaj ntseg ua ntej ntsuas - mus txog qhov ntau lawm.
Piv txwv txoj kev txhim kho Formula Framework
Qhov no yog cov qauv siv rau kev tshuaj xyuas kev txhim kho, tsis yog cov qauv tsim khoom lag luam. Qhov tseeb concentrations thiab cov khoom xaiv yuav tsum tau validated rau kev nyab xeeb, stability thiab ua tau zoo.
| Qeb yam khoom | Lub luag haujlwm tseem ceeb |
|---|---|
| Purified Dej | Thawj qhov hnyav thiab lub hauv paus |
| Humectant System (xws li glycerin, hyaluronic acid) | Hydration thiab tawv nqaij xav |
| Acetyl Tetrapeptide-5 | Tshuaj pleev ib ce active |
| Viscosity Modifier | Kev ntxhib los mos thiab cov khoom sib xws |
| Chelating Agent | Formula stability txhawb |
| Preservative System | Kev tiv thaiv microbial |
| pH hloov kho | Kev tswj pH kawg |
Txhua qhov kev tsim ua haujlwm yuav tsum tau ua raws li kev tsim khoom zoo thiab ua tiav - cov khoom yuav tsum tau ntsuas kev nyab xeeb.
Cov khoom xyaw tshuaj pleev ib ce twg yog sib xws?
Acetyl Tetrapeptide-5 yog dav siv ua ke nrog lwm cov tshuaj pleev ib ce. Compatibility yuav tsum yeej ib txwm paub tseeb hais tias nyob rau hauv lub tiav formulation, es tsis yog los ntawm cov khoom xyaw hauv chav kawm ntawv ib leeg.
Hyaluronic Acid
Hyaluronic acid feem ntau ua ke nrog Acetyl Tetrapeptide-5 hauv qhov muag- cov tshuaj kho mob. Lawv cov dej num ua tiav: hyaluronic acid txhawb cov tawv nqaij hydration thiab hnov tsw, thaum Acetyl Tetrapeptide-5 yog nyob rau hauv qhov muag puffiness care. Txawm tias feem ntau ua ke cov khoom xyaw, tag nrho-formula compatibility thiab stability yuav tsum tau xyuas.
Caffeine
Ob qho khoom xyaw muaj cov txheej txheem sib txawv thiab feem ntau sib xyaw ua ke hauv qhov muag -cov khoom tu lub hom phiaj puffiness. Lawv qhov kev ua tau zoo sib xyaw yuav tsum raug ntsuas hauv cov qauv ua tiav es tsis suav tias yog kev sib koom ua ke.
Lwm yam Peptides
Lwm cov tshuaj pleev ib ce peptides feem ntau tuaj yeem muab tso rau hauv tib lub qauv, tab sis txhua tus peptide muaj nws tus kheej ruaj khov, solubility thiab kev ua haujlwm. Yog li ntawd, kev sib raug zoo yuav tsum raug soj ntsuam ntawm qhov ua tiav - cov qauv txheej txheem es tsis yog los ntawm cov khoom xyaw hauv chav kawm ib leeg.
Botanical Extracts
Compatibility nrog cov nroj tsuag rho tawm txawv heev los ntawm hom extract, pH, tannin ntsiab lus thiab impurity profile. Feem ntau cov qauv me me yog sib xws, tab sis cov khoom siv nrog pH huab cua, siab reactivity los yog xim muaj zog yuav cuam tshuam peptide stability lossis cov khoom zoo li. Ib txwm sim compatibility nrog cov ntsiab lus tshwj xeeb ua ntej ua tiav cov qauv.
Cov khoom xyaw uas yuav tsum tau kuaj ntxiv Compatibility
Cov xwm txheej hauv qab no tuaj yeem ua rau muaj kev pheej hmoo ntawm peptide degradation los yog tsis sib xws, thiab lav qhov kev ntsuas kev ruaj ntseg ntxiv:
Muaj zog oxidizing tshuab
Heev acidic los yog alkaline formulation tej yam kev mob
Cov qib siab ntawm reactive aldehyde- muaj cov khoom xyaw
High -kev sib xyaw hlau ntsev tshuab
Complex unrefined botanical extracts nrog tsis paub reactivity
Dab tsi yog qhov yuam kev ntau tshaj plaws?
Ntxiv peptide ntawm qhov siab -kub theem
Ntev raug rau qhov kub siab tuaj yeem ua rau muaj kev pheej hmoo ntawm peptide degradation thiab poob ntawm cov ntsiab lus nquag. Peptide ntxiv yog feem ntau teem rau lub caij txias ntawm kev tsim khoom.
Formulating sab nraum qhov pH ruaj khov
Cov pH siab heev ua rau peptide daim ntawv cog lus hydrolysis dhau lub neej txee, uas tuaj yeem ua rau poob ntawm kev ua haujlwm ua ntej cov khoom tau npaj rau hnub tas sijhawm. Ib txwm ua raws cov qauv pH nrog cov ntaub ntawv kev ruaj ntseg khoom muag.
Ntxiv hmoov ncaj qha rau siab -viscosity puag
Ntxiv cov hmoov peptide qhuav ncaj qha rau cov hauv paus tuab yam tsis muaj ua ntej -kev puas tsuaj tuaj yeem ua rau clumping, tsis tiav dissolution thiab tsis sib npaug ntawm cov khoom siv thoob plaws hauv pawg. Ua ntej- dilution hauv dej huv yog pom zoo.
Hla kev ntsuam xyuas kev ruaj ntseg
Peptide degradation feem ntau pom qhov tsis pom kev. Tsuas yog kev tshuaj ntsuam xyuas tuaj yeem paub meej tias peptide ruaj khov dua lub neej txee. Kev cia siab rau qhov tshwm sim ib leeg ua rau muaj kev pheej hmoo zoo.
Yuav Ua Li Cas Acetyl Tetrapeptide-5 Stability Test?
Ib qho kev pabcuam ruaj khov rau Acetyl Tetrapeptide-5 cov qauv ntsuas ntsuas lub cev, tshuaj lom neeg thiab microbiological stability nyob rau lub sijhawm. Cov lus hauv qab no qhia txog cov qauv xeem thiab lawv lub hom phiaj, raws li kev qhia dav dav. Kev lees txais yuav tsum tau tsim raws li cov khoom tiav tiav, kev txheeb xyuas txoj kev siv tau thiab cov cai tswj hwm, tsis yog siv cov lej lej thoob ntiaj teb.
| Cov khoom kuaj | Lub Hom Phiaj | Piv Txwv Kev Ntsuas Kev Ntsuas |
|---|---|---|
| Kev soj ntsuam | Kev ntsuas lub cev ruaj khov | Saib xyuas cov xim hloov, theem sib cais, nag lossis daus thiab tsw thaum lub sijhawm |
| Kev ntsuas pH | Kev tshuaj xyuas qhov sib xws | Txhais ib qho kev lees paub raws li cov qauv tsim tau |
| Kev ntsuam xyuas cov ntsiab lus Peptide | Tshuaj stability | Quantify active peptide siv ib tug validated analytical txoj kev xws li HPLC |
| Kev ntsuas kub ceev | Kev ntsuas kev ntxhov siab | Ntsuas nyob rau hauv predefined ceev ceev tej yam kev mob rau internal raws tu qauv |
| Txias -thaw cycling | Lub cev stability kev nyuaj siab | Txheeb xyuas theem sib cais, nag lossis daus thiab ua haujlwm - cov ntsiab lus hloov pauv |
| Lub teeb stability kuaj | Kev ntsuam xyuas Photodegradation | Sib piv lub teeb-cov qauv raug tawm tsam lub teeb- tiv thaiv kev tswj |
| Kev kuaj mob microbial | Cov khoom pov thawj kev nyab xeeb | Txheeb xyuas qhov ua tau zoo thiab tsis muaj cov kab mob pathogenic |
| Kev ntsuas viscosity | Kev ntxhib los mos | Saib xyuas cov kev hloov pauv tiv thaiv kev tsim tawm - cov kev lees paub tshwj xeeb |
Validated HPLC los yog lwm txoj kev analytical tsim nyog yog ib qho tseem ceeb rau kev soj ntsuam peptide cov ntsiab lus thiab degradation thaum lub sij hawm kev tshawb fawb stability. Kev soj ntsuam pom ib leeg tsis txaus kom paub meej tias tshuaj lom neeg ruaj khov ntawm peptide actives.
Acetyl Tetrapeptide-5 Formulation Decision Checklist
Siv daim ntawv txheeb xyuas no ua ib qho kev siv ceev thaum lub sij hawm txhim kho:
Paub meej cov ntaub ntawv raw, purity thiab active cov ntsiab lus los ntawm tus neeg muag khoom TDS
Txhais lub hom phiaj pH pib ntau thiab txheeb xyuas cov ntaub ntawv ruaj khov ntawm tus neeg muag khoom
Ntsuam xyuas solubility ntawm kev npaj siv concentration thiab formulation pH
Npaj cov tshuaj muaj kuab tshuaj rau kev noj kom raug
Npaj peptide ntxiv rau kev tswj kom txias theem ntawm kev ua haujlwm
Tshawb xyuas kev sib raug zoo nrog tag nrho cov co- cov khoom xyaw hauv cov mis tag nrho
Khiav thawj zaug me me -batch stability tshuaj xyuas ua ntej scale- nce
Validate kawg pH, tsos thiab nquag cov ntsiab lus tom qab ntau lawm
Cov neeg yuav khoom yuav tsum kuaj xyuas dab tsi thaum Sourcing Acetyl Tetrapeptide-5?
Rau R & D thiab pab pawg neeg yuav khoom xaiv cov khoom siv raw, kev tshuaj xyuas zoo yog lub hauv paus ntawm kev tsim ua tiav. Cov khoom tseem ceeb kom paub meej ua ntej yuav khoom muaj xws li:
Paub meej tias INCI lub npe sib tw Acetyl Tetrapeptide-5 thiab CAS tus lej yog 820959-17-9
Txheeb xyuas HPLC purity qib thiab LC-MS tus kheej lees paub rau txhua pawg
Xav tau ib pawg - Daim ntawv pov thawj tshwj xeeb ntawm Kev Ntsuam Xyuas (COA) thiab Daim Ntawv Qhia Txog Cov Ntaub Ntawv (TDS)
Xyuas cov residual hnyav, hnyav hlau thiab ya raws specifications raws li kev cai thiab formulation yuav tsum
Qhia meej seb cov khoom puas tau muab los ua cov hmoov dawb huv lossis ua ntej - cov tshuaj diluted, kom suav cov ntsiab lus kom raug
Txheeb xyuas cov ntaub ntawv sib xws ntawm cov ntaub ntawv, ntim cov kev xaiv thiab cov lus pom zoo cia
Thov ib qho qauv ntsuas me me rau kev txheeb xyuas qhov zoo ua ntej tso cov xaj ntau
Kev ua ntej tus neeg xa khoom zoo thiab cov ntaub ntawv sib xws yuav txo qis kev pheej hmoo ntawm kev tsim khoom thiab txhawb nqa ntev - lub sijhawm ntau lawm.
FAQs
Dab tsi yog pH zoo tshaj rau Acetyl Tetrapeptide-5?
Qhov zoo tshaj pH nyob ntawm seb cov khoom siv raw li qib thiab tus neeg muag khoom. Ntau tus tsim qauv siv pH 5.5–6.0 raws li qhov pib ntawm kev txhim kho, tab sis qhov kawg qhov kev lees paub yuav tsum tau lees paub nrog tus neeg muag khoom TDS thiab tau lees paub los ntawm kev ua tiav - cov khoom lag luam ruaj khov.
Yuav siv Acetyl Tetrapeptide-5 ntau npaum li cas?
Kev pom zoo siv qib sib txawv ntawm cov khoom siv raw, purity thiab hom khoom. Nco ntsoov suav cov ntsiab lus peptide nquag los ntawm tus neeg muag khoom qhov tshwj xeeb, tshwj xeeb tshaj yog thaum siv cov qauv ua ntej - diluted tov. Siv cov lus pom zoo los ntawm tus neeg muag khoom raws li qhov kev tshuaj ntsuam pib, tom qab ntawd siv tau cov txiaj ntsig thiab kev ruaj ntseg sab hauv.
Puas yog Acetyl Tetrapeptide-5 dej soluble?
Nws yog feem ntau formulated nyob rau hauv aqueous systems. Qhov tseeb solubility nyob ntawm qhov concentration, pH, kub thiab muaj lwm yam khoom xyaw. Formulators yuav tsum xyuas kom meej solubility ntawm lub hom phiaj siv theem ua ntej scale - nce.
Nws puas tuaj yeem ua ke nrog caffeine?
Yog lawm, Acetyl Tetrapeptide-5 thiab caffeine feem ntau ua ke hauv cov khoom kho qhov muag. Lawv muaj cov txheej txheem sib txawv ntawm qhov kev txiav txim. Compatibility thiab kev ua tau zoo ua ke yuav tsum tau soj ntsuam nyob rau hauv cov txheej txheem tiav.
Nws puas tuaj yeem ua ke nrog hyaluronic acid?
Yog lawm, hyaluronic acid yog ib qho kev sib koom ua ke ntau heev hauv cov tshuaj pleev qhov muag. Ob leeg muaj kev ua haujlwm ntxiv. Tag nrho - qauv kev ruaj ntseg yuav tsum tseem raug lees paub.
Yuav ua li cas yuav tsum tau ntxiv rau qhov muag serum?
Nws feem ntau yog ntxiv thaum lub caij txias ntawm kev tsim khoom, tom qab lub hauv paus tau txias rau tus neeg muag khoom - qhov ntsuas kub pom zoo. Ua ntej- dissolve nyob rau hauv ib qho me me ntawm cov dej ua ntej yuav pab kom muaj kev faib tawm.
Yuav ua li cas tiav cov formulations yuav tsum tau kuaj?
Cov formulations tiav yuav tsum tau soj ntsuam kev ruaj ntseg tag nrho nrog rau kev soj ntsuam zoo li qub, kev soj ntsuam pH, peptide cov ntsiab lus kom muaj nuj nqis, ceev qhov kub thiab txias thiab kuaj microbial.
Dab tsi yog lub txee lub neej ntawm cov qauv uas muaj Acetyl Tetrapeptide-5?
Thaum tsim thiab ntim tau zoo, Acetyl Tetrapeptide-5 tuaj yeem muab tso rau hauv cov khoom siv tshuaj pleev ib ce ntev ntev, tab sis lub neej txee tiag tiag yuav tsum tau tsim los ntawm kev ntsuas kev ruaj ntseg tshwj xeeb. Tsis muaj universal txee lub neej muaj feem xyuam rau tag nrho cov formulations.
Xaus
Formulating nrog Acetyl Tetrapeptide-5 yog qhov yooj yim thaum ua raws li cov qauv kev ruaj ntseg peptide. Los ntawm kev tswj pH, tswj kev ua haujlwm kub, txheeb xyuas cov dej solubility thiab xaiv cov khoom sib xyaw ua ke-, pab pawg txhim kho tuaj yeem tsim cov khoom kho qhov muag ruaj khov, ua haujlwm zoo.
Tag nrho cov formulation tsis yuav tsum tau validated tiv thaiv cov ntaub ntawv raw khoom cov ntaub ntawv kev, thiab tau lees paub los ntawm internal stability thiab kev ntsuam xyuas ua tau zoo ua ntej coj mus muag khoom.
HDM BIO muab siab -purity Acetyl Tetrapeptide-5 raw cov ntaub ntawv nrog ua tiav Technical Data Sheets thiab formulation kev txhawb nqa rau cosmetic R&D pab pawg. Peb muab ob qho tib si hmoov thiab kev daws teeb meem tawm tswv yim kom tau raws li qhov xav tau ntau lawm.
Txhawm rau thov TDS, kev txhawb nqa kev tsim kho lossis tus qauv tsim kho, mus saib nplooj ntawv Acetyl Tetrapeptide-5 raw khoom.