Pentapeptide-18yog ib qho tseem ceeb neuromodulatory los tiv thaiv -senescent active ingredient hauv cosmetic thiab cutaneous tu sectors. Hloov kho los ntawm tib neeg tej yam ntuj tso leucine enkephalin raws li nws cov qauv molecular, cov khoom no hloov glycine ntawm qhov thib ob txoj hauj lwm ntawm ib txwm peptide saw nrog D-alanine, uas drastic elevates nws anti-enzymatic degradation stability thiab hais txog lub longstanding lag luam cov teeb meem ntawm natural active peptides, namely sugradation degradation. los ntawm ib qho -kev ua haujlwm mechanism ntawm cov pa anti-senescent actives, cov khoom muab ntau yam kev pab cuam xws li neuromodulation, tiv thaiv- mob, antioxidation thiab kho complexion. Nws cov txiaj ntsig tseem ceeb yog nyob rau hauv kev txo qis ntawm cov kab lus dynamic, xws li hauv pliaj wrinkles, crow's ko taw thiab glabellar kab induced los ntawm rov contraction ntawm lub ntsej muag nqaij. Nyob rau hauv daim ntawv kho mob cutaneous, nws cov pa siv concentration yog li ntawm 2% mus rau 5%.
Peb Cov Khoom Muag Khoom
Pentapeptide-18/Pentapeptide-3COA
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| Certificate of Analysis | ||
| Compound npe | Pentapeptide-18/Pentapeptide-3 | |
| Qib | Pharmaceutical qib | |
| Ntau | 28g | |
| Ntim txheem | PE hnab + Al foil hnab | |
| Chaw tsim tshuaj paus | Shaanxi BLOOM TECH Co., Ltd | |
| Ntau No. | 202601090056 | |
| MFG | Peb 9, 2026 | |
| EXP | Peb 8, 2029 | |
| Qauv | N/A | |
| Yam khoom | Enterprise txheem | Kev txheeb xyuas qhov tshwm sim |
| Qhov tshwm sim | Dawb los yog yuav luag dawb hmoov | Ua raws |
| Cov ntsiab lus dej | Tsawg dua lossis sib npaug li 5.0% | 0.26% |
| Poob rau ziab | Tsawg dua lossis sib npaug li 1.0% | 0.17% |
| Hnyav Hlau | Pb Tsawg dua lossis sib npaug li 0.5ppm | N.D. |
| Tsawg dua lossis sib npaug li 0.5ppm | N.D. | |
| Hg Tsawg dua lossis sib npaug li 0.5ppm | N.D. | |
| Cd Tsawg dua lossis sib npaug li 0.5ppm | N.D. | |
| Purity (HPLC) | Ntau dua lossis sib npaug li 99.0% | 99.80% |
| Ib qho impurity | <0.8% | 0.49% |
| Tag nrho microbial suav | Tsawg dua lossis sib npaug li 750cfu / g | 600 |
| E. Coli | Tsawg dua lossis sib npaug li 2MPN / g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (los ntawm GC) | Tsawg dua lossis sib npaug li 5000ppm | 400ppm ua |
| Cia | Khaws rau hauv qhov chaw kaw, tsaus, thiab qhuav hauv qab 2-8 degree | |
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Core Mechanism ntawm Neurocutaneous Pathway
Txoj kev neurocutaneous ua haujlwm raws li cov txheej txheem hauv qabpentapeptide-18's thawj tiv thaiv-wrinkle kev ua tau zoo, thiab cov khoom lag luam kuj sawv cev rau nws qhov tseem ceeb sib txawv los ntawm feem ntau cutaneous care peptides. Tib neeg lub ntsej muag tsis yog tsuas yog ib daim ntaub thaiv kab mob xwb; Tsis tas li ntawd, cov khoom tsim muaj kev sib cuam tshuam nrog cov neurocutaneous system nrog peripheral lub paj hlwb, cov paj hlwb, cov nqaij mos subcutaneous thiab cov ntaub so ntswg sib txuas. Cov txheej txheem no tas li tswj lub ntsej muag musculature contraction, cutaneous nro thiab epidermal tej yam kev mob, thiab ua raws li lub hauv paus nruab nrab rau tsim ntawm dynamic wrinkles.
Txhua hnub ntawm lub ntsej muag xws li hais lus, luag ntxhi, frowning thiab blinking tsis tu ncua ua rau lub davhlau ya nyob twg ceg ntawm lub trigeminal thiab lub ntsej muag paj nyob rau hauv lub ntsej muag, ua rau lub teeb liab kis tau tus mob ntawm neural synapses, thiab thaum kawg induce rhythmic contraction ntawm lub ntsej muag musculatures. Ntev- lub sij hawm thiab siab - zaus musculature contraction tsis tu ncua rub dermal collagen fibers, elastic fibers thiab reticular fibers, uas ua rau fiber ntau breakage, laxity thiab teeb meem.
Meanwhile, rov folding thiab squeezing ntawm lub epidermis maj generates zoo superficial kab uas nws thiaj li tsim mus rau irreversible static wrinkles. Qhov no yog qhov laj thawj tseem ceeb vim li cas cov kab ntawm lub ntsej muag nthuav tawm ntau zaus thiab nyuaj rau kho.
Raws li ib qho kev ua kom zoo tshaj plaws enkephalin mimetic peptide, cov khoom lag luam ncaj ncees lub hom phiaj delta opioid receptors ntawm lub presynaptic membrane ntawm subcutaneous lub ntsej muag lub cev muaj zog paj paj terminals. Los ntawm activating endogenous inhibitory signaling txoj hauv kev, cov khoom maj mam hloov kho cov neurotransmitter tso tawm thiab thaiv cov txheej txheem tsim ntawm cov kab qhia ntawm qhov chaw. Nws tag nrho cov txheej txheem ua haujlwm ua raws li tib neeg lub cev metabolic qauv yam tsis muaj kev raug mob lossis kev phiv. Qhov tshwj xeeb molecular regulatory cascade ua raws li ib tug ua tiav hierarchical sequence: Ua ntej, cov khoom nta ib tug me me molecular me me thiab nruab nrab lipophilicity, ua kom cov khoom nkag mus sai sai rau lub stratum corneum thiab granular txheej ntawm daim tawv nqaij, stably ncav cuag lub neuromuscular hlws ris qhov chaw nyob rau hauv lub superficial dermis, thiab ua kom paub tseeb tias bind{3} protein ntau. opioid receptors ntawm lub presynaptic membrane.
Thib ob, receptor activation ua rau lub cev muaj zog G-protein signaling cascade, ua rau muaj kev cuam tshuam qhov qhib qhov tshwm sim ntawm L-hom thiab N- hom voltage-gated calcium channels ntawm cell membranes thiab txo qis tus nqi nkag thiab tag nrho cov calcium ions nyob rau hauv paj hlwb terminals.Thi . Tsis txaus intracellular calcium ncaj qha inhibits kev thauj mus los, anchoring thiab membrane fusion ntawm synaptic vesicles, nruj nreem thaiv qhov tso tawm ntawm excitatory neurotransmitters xws li acetylcholine mus rau hauv lub synaptic cleft.Thaum kawg, lub concentration ntawm excitatory signals ntawm neuromuscular junctions poob sharply, tsa lub contraction ntawm lub ntsej muag thresholding tsis muaj zog. thiab txo qis contraction zaus, uas zoo alleviates rov qab mechanical rub exerted los ntawm musculatures ntawm cutaneous ntaub so ntswg.Qhov no neuromodulatory mechanism boasts zoo heev kev nyab xeeb thiab compatibility. Cov khoom lag luam tsuas yog txo qis kev cog lus ntau dhau los ntawm lub ntsej muag nthuav tawm es tsis yog tag nrho thaiv cov paj hlwb thiab cov leeg musculature.
Yog li ntawd, cov khoom no zam tsis txhob muaj kev phiv tshuaj cuam tshuam nrog botulinum toxin- hom khoom xyaw, suav nrog lub ntsej muag tawv, txo qis ntawm lub ntsej muag thiab cov leeg nqaij tuag tes tuag taw, ua rau cov khoom tsim nyog rau kev siv sijhawm ntev - kev siv tshuaj tua kab mob txhua hnub. Los ntawm txoj kev xav ntawm txoj kev hierarchy,pentapeptide-18ua nyob rau theem kev tswj hwm ntawm cov tshuaj neurotransmitter tso tawm, thaum Acetyl Hexapeptide-8, lub ntsiab peptide muaj nyob rau hauv kev ua lag luam, feem ntau yog lub hom phiaj ntawm cov dej ntws SNARE protein complex los thaiv cov vesicle fusion.Lawv txoj hauv kev ntxiv rau ib leeg uas tsis yog - sib tshooj lub hom phiaj. Formulated ua ke, lawv tsim ib tug dual - blockade system featuring "sab sauv teeb liab tswj thiab downstream tso tawm inhibition", xa ib tug synergistic anti-wrinkle nyhuv qhov twg cov kev sib koom ua ke muaj zog tshaj cov sum ntawm ib tug neeg ua yeeb yam.
Nrog rau kev ua haujlwm ntev - daim ntawv thov, dhau - tensed thiab spasmodic lub ntsej muag musculatures tau zoo soothed, cutaneous fibrous cov ntaub so ntswg tsis raug kev puas tsuaj tas mus li, thiab tawg thiab lax collagen fibers tau qhov chaw thiab sij hawm rau nws tus kheej - kho. Maj mam, cov kab zoo uas twb muaj lawm ploj mus, thiab cov wrinkles tshiab raug tiv thaiv los ntawm kev tsim ntawm cov hauv paus hniav, ua tiav ntev - txo qis qhov tawv nqaij thiab zawm tawv nqaij.
Secondary Synergistic Mechanism of Anti-Inflammation and Antioxidation
Tshaj li nws cov tseem ceeb neuromodulatory anti-wrinkle muaj nuj nqi, cov khoom exerts txawv thiab muaj zog dual lwm yam kev ua ub no: anti- mob thiab antioxidation. Ob lub tswv yim no sib koom tes thiab txhawb nqa ib leeg kom txhawb nqa micro- daim tawv nqaij puas, inhibit photoaging thiab txo qhov mob ntawm daim tawv nqaij ntev, tso ntev - ua lub hauv paus kev txhawb nqa rau kev tiv thaiv -senescent kev ua tau zoo. Cov khoom lag luam hais txog qhov txwv ntawm ib qho - ua haujlwm los tiv thaiv - cov khoom xyaw uas tsuas yog ploj mus yam tsis tau kho cov kab mob basal cutaneous.
Cov hauv paus ntsiab lus ntawm kev txiav tawm ntawm qhov nqaij tawv tuaj yeem raug cais raws li exogenous oxidative kev nyuaj siab thiab endogenous chronic low- qib o.
Sab nraud stimuli suav nrog ultraviolet irradiation, huab cua muaj kuab paug, xiav lub teeb hluav taws xob, lub sij hawm tsis tu ncua thiab kev cuam tshuam cutaneous barrier tsis tu ncua ua rau keratinocytes, fibroblasts thiab lub cev tiv thaiv kab mob hauv daim tawv nqaij kom tsim kom muaj ntau hom pa oxygen (ROS), xws li superoxide anions, hydroxyl radicals thiab hydrogen peroxide. Tshaj dhau ROS tsis tuaj yeem raug tshem tawm raws sijhawm los ntawm daim tawv nqaij endogenous antioxidant system, pib ua ib qho kev cuam tshuam ntawm oxidative kev ntxhov siab. ROS ncaj qha tawm tsam peptide bonds ntawm dermal collagen thiab elastin, ua rau cov protein denaturation, degradation thiab poob. Lawv kuj cuam tshuam cov phospholipid bilayer qauv ntawm cell daim nyias nyias, txo cell viability thiab cuam tshuam cov metabolism, uas accelerates daim tawv nqaij sagging, dullness, roughness thiab deepening wrinkles.
Antioxidant Kev Ua Haujlwm
Aromatic amino acid residues ntawm tyrosine thiab phenylalanine nyob rau hauv lub peptide saw ua hauj lwm pab pawg neeg. Los ntawm kev hloov hluav taws xob thiab proton neutralization, lawv ncaj qha quench thiab tshem tawm cov khoom seem ntawm cov pa oxygen hauv daim tawv nqaij, tshem tawm cov kab mob oxidative saw thiab txo oxidative puas tsuaj. Lub caij no, cov khoom xyaw no zoo tswj cov tawv nqaij endogenous antioxidant system thiab txhawb nqa cov haujlwm ntawm superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) thiab catalase kom ntxiv dag zog rau daim tawv nqaij cov kab mob dawb radical scavenging muaj peev xwm thiab txo qis oxidative kev ntxhov siab.
Tsis tas li ntawd, cov khoom no inhibits lub overactivation ntawm oxidative senescence signaling txoj kev xws li MAPK, ERK thiab JNK.
Ntawm qib molecular transcription, cov khoom lag luam qeeb qhov kev loj hlob ntawm oxidative kev nyuaj siab -kho cellular senescence, tiv thaiv fibroblast viability, tswj qhov sib npaug ntawm dermal collagen synthesis thiab metabolism, thiab qeeb ob qho tib si photoaging thiab chronological cutaneous senescence.
Kev tiv thaiv -Kev ua mob ua npaws
Ntev qis-qib mob cutaneous o yog ib qho tseem ceeb accelerator ntawm senescence. ROS ntau dhau mus ua rau lub hauv paus tseem ceeb NF-κB inflammatory pathway, inducing keratinocytes thiab macrophages kom secrete pro-inflammatory yam xws li qog necrosis factor- (TNF- ), interleukin-6 (IL-6) thiab interleukin-8), los ntawm muaj (IL-8.
Qhov no tsis yog tsuas yog ua rau tawv nqaij liab, rhiab heev, dryness thiab khaus, tab sis tseem tsis tu ncua degrades collagen, ua puas lub cutaneous barrier thiab speeds li wrinkle deepening.
Los ntawm kev khi rau opioid receptors nyob rau saum npoo ntawm daim tawv nqaij tiv thaiv kab mob, cov khoom lag luam zoo inhibits nuclear translocation thiab ua kom NF-κB txoj hauv kev, ua rau txo qis cov kev qhia thiab kev zais ntawm ntau yam pro- cov kab mob inflammatory, thiab thaiv kev sib kis tsis tu ncua thiab nthuav dav ntawm cov kab mob inflammatory. Rau micro-mob, cuam tshuam tsis zoo, liab liab thiab rhiab heev tshwm sim los ntawm lwm yam irritants, cov khoom no sai sai alleviates inflammatory teb, txo rhiab heev ntawm daim tawv nqaij, kho puas keratin barriers thiab restores daim tawv nqaij homeostasis.
Kaw -Loop Synergy ntawm Anti-Inflammatory thiab Antioxidant Effects
Ob lub txheej txheem thib ob ntawm kev tiv thaiv -mob thiab tiv thaiv oxidation ua rau kaw- lub voj sib koom ua ke, tsim kom muaj txhua yam - puag ncig daim tawv nqaij tiv thaiv -senescent thiab kho qhov system.
Ntawm ib sab tes, cov tshuaj tiv thaiv oxidation zoo txo ROS tsub zuj zuj, inhibits o ua kom muaj zog vim oxidative kev nyuaj siab ntawm lub hauv paus thiab txo qhov tshwm sim ntawm cutaneous o. Ntawm qhov tod tes, cov tshuaj tiv thaiv -kev ua haujlwm inflammatory blocks o-fueled aggravation ntawm oxidative kev nyuaj siab, tiv thaiv inflammatory kab mob los ntawm tsim ntau dawb radicals, thiab lov lub vicious voj voog ntawm "oxidation-mob- laus".
Qhov kev sib koom ua ke no tsis yog tsuas yog txhawb nqa lub hauv paus los tiv thaiv -wrinkle kev ua tau zoo thiab ruaj khov kab- cov txiaj ntsig ploj, tab sis kuj tseem ua kom zoo dua qub ntawm daim tawv nqaij, txo ntau qhov kev txhawj xeeb xws li dull yellow tone, ntxhib ntxhib ntxhib ntxhib los mos, rhiab heev thiab liab. Cov khoom lag luam muab ntau yam -cov txiaj ntsig kev saib xyuas kev noj qab haus huv nrog rau kev txo qis, ua kom nruj, kho qhov teeb meem thiab ci ntsa iab, txhim kho daim tawv nqaij tiv thaiv -senescent los ntawm kab yooj yim fading mus rau tag nrho rejuvenation ntawm cutaneous zoo nkauj.
Synthetic txheej txheem
Khoom-theem peptide synthesis (SPPS) yog cov txheej txheem tsim khoom tseem ceeb raupentapeptide-18. Featuring high product purity, me me byproducts and robust structural controllability, cov khoom lag luam sawv cev rau cov txheej txheem kev lag luam tseem ceeb rau cov tshuaj pleev ib ce - qib active peptides, ua kom ruaj khov ntawm cov khoom siv tiav nrog cov amino acid muaj tseeb, tsim nyog bioactivity thiab superior stability.
Lub synthesis txais Fmoc- tiv thaiv cov amino acids ua cov khoom pib. Peptide chains yog sib sau ua ke ntawm stepwise condensation ntawm cov khoom txhawb nqa kom raug replicate lub hom phiaj sib lawv liag Tyr-D-Ala-Gly-Phe-Leu, thaum cov txheej txheem optimization txhim kho cov khoom muaj los tiv thaiv -enzymatic degradation stability thiab kev ua haujlwm lom lom zem.
Resin Activation: Polystyrene resin raug xaiv los ua cov khoom txhawb nqa. Cov kuab tshuaj o thiab ua kom muaj kev kho mob yog ua los tsim cov chaw reactive rau amino acid condensation.
Stepwise Peptide Chain Elongation: Ua raws li peptide ib ntus los ntawm C-terminal leucine rau N-terminal tyrosine, Fmoc-Leu, Fmoc-Phe, Fmoc-Gly, Fmoc-D-Ala thiab Fmoc{2} ntxiv cov amino acids ntxiv. Txhua lub voj voog suav nrog kev tiv thaiv kev tiv thaiv, kev ua kom muaj zog thiab kev sib xyaw ua ke kom maj mam sib sau ua tiav cov saw hlau pentapeptide. Cov tshuaj tiv thaiv kub, pH thiab ncua sij hawm yog tswj nruj me ntsis thoob plaws hauv cov txheej txheem los tiv thaiv peptide mispairing thiab saw cleavage.
Cleavage thiab Purification: Thaum ua tiav cov tshuaj tiv thaiv, cleavage reagents cais cov peptides crude los ntawm cov resin kev them nyiaj yug thiab tshem tawm sab -chain tiv thaiv pab pawg kom tau cov khoom nyoos. Siab -kev ua haujlwm ua kua chromatography (HPLC) yog tom qab ntawd muab tso rau kev ua kom huv huv kom tshem tawm cov peptides thiab impurity byproducts.
Qhuav thiab Refining: Lub tshuab nqus tsev khov- ziab ua kom siab -purity cov hmoov dawb. Kev tsim khoom lag luam tsis tu ncua ua tiav purity tshaj 95%, ua raws li cov qauv kev nyab xeeb rau cov khoom siv tshuaj pleev ib ce.
Lub hauv paus kev tsim kho tshiab ntawm cov txheej txheem hluavtaws no yog nyob rau hauv qhov sib txawv ntawm kev sib koom ua ke ntawm D-alanine thaum lub sij hawm sib dhos. Kev txheeb ze ntawm cov peptide synthesis workflows, cov khoom lag luam tau txhim kho cov khoom tiav cov khoom tiv thaiv -degradation peev xwm ntawm qhov chaw cutaneous thiab txuas ntxiv nws lub sijhawm ua haujlwm tau zoo. Tsis tas li ntawd, cov txheej txheem muaj kev nyab xeeb zoo uas tsis muaj cov khoom siv phom sij, sib haum nrog kev tsim kho rau txhua pawg ntawm cov khoom siv kho mob cutaneous.
Cov ntaub ntawv
- PeptideList. Pentapeptide-18[EB/OL]. 2026-05-28.
- PeptideInsight. Leuphasyl (Pentapeptide-18)[EB/OL]. 2026-03-20.
- PubMed. Pentapeptide-18 ua tus neeg sib tw tiv thaiv kev laus: Spectroscopic characterization thiab molecular interaction analysis[J]. 2026, PMID: 41722287.
- Kopeptide Biotechnology. Technical Datasheet of Pentapeptide-18[EB/OL]. 2025-10-14.
- Paula Txoj Kev Xaiv. Pentapeptide-18 Ingredient Guide[EB/OL]. 2026-04-17.
FAQ
Dab tsi yog qhov sib lawv liag ntawm cov khoom?
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Cov khoom lag luam (Leuphasyl®), tsim los ntawm cov kab keTyr-Ala-Gly-Ph-Leu, yog ib qho zoo heev neurotransmitter inhibitor peptide uas ua rau enkephalins -endogenous peptides koom nrog hauv neuromodulation.
Cov khoom yog dab tsi?
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Cov khoom (Leuphasyl®),bioactive peptide paub txog nws cov khoom neuromodulatory, tau pom tias muaj peev xwm txo qis kev tsim tawm los ntawm inhibiting neurotransmitter tso tawm, thaum tib lub sijhawm txhim kho daim tawv nqaij hydration, elasticity, thiab kev ntxhib los mos.
Cim npe nrov: Tuam Tshoj pentapeptide-18 manufacturers, lwm tus neeg
