Fact-Checked·Verified against peer-reviewed sources · Last updated Oct 18, 2026·For research use only - not for human consumption
Anti-Aging / LongevityActive Research

Palmitoyl Pentapeptide-4

Also known as: matrixyl · palmitoyl pentapeptide 4 · pal-KTTKS · lysyl-threonyl-threonyl-lysyl-serine · palmitoyl KTTKS · Pal-KTTKS

For in-vitro (laboratory) research purposes only. Not for human or animal consumption.

Available Forms

InjectableOral

Research Applications

Longevity & Anti-AgingSkin & Hair

Check independent lab results, free

Finnrick Analytics publishes independent lab test results for peptide products from named vendors, and anyone can check the published results for free.

For in-vitro research use only. Not for human consumption.

1What Is Palmitoyl Pentapeptide-4?

Signal peptide studied for collagen and fibronectin synthesis in aged skin.

4Published Research - Plain English Summaries

The studies below have been published in peer-reviewed journals. Summaries are written in plain language - no jargon. Citations are provided as text only.

other

Bjerke DL, Li J, Gao Y, Hu P, Lintner K, Hakozaki T · 2026 · Current research in toxicology · PMID 41953401

in vitro study

Paccola AGL, Santos TMCD, Minelo MC, Garbieri TF, Sanches MLR, Dionísio TJ, Oliveira RC, Santos CF, Buzalaf MAR · 2025 · Molecules (Basel, Switzerland) · PMID 40871567

animal study

Wang Z, Liu J, Chen Q, Wu Y, Li Y, Ou M, Tang S, Deng Z, Liu L, Jiang C, Zhu H, Liu Q · 2025 · Advanced science (Weinheim, Baden-Wurttemberg, Germany) · PMID 39783908

other

Trashi O, Satish N, Trashi I, Hagge LM, Wijesundara YH, Hu C, Herbert FC, Smaldone RA, Gassensmith JJ · 2025 · Acta biomaterialia · PMID 39694719

other

Aruan RR, Hutabarat H, Widodo AA, Firdiyono MTCC, Wirawanty C, Fransiska L · 2023 · The Journal of clinical and aesthetic dermatology · PMID 36909866

Buy Palmitoyl Pentapeptide-4 - Verified Vendors(2 vendors)

The vendors below are affiliate partners of Peptide Stores Online. Each listing links to the vendor's own website, where ordering, payment, and delivery are handled by the vendor.
Peptuvia1 listing

Matrixyl · 10mg

LabFirst Peptides1 listing

Matrixyl 10mg

All content on this page is for in-vitro research purposes only. Not intended for human or animal use. Consult a licensed professional before handling research chemicals. No content on this page constitutes medical advice or a treatment recommendation.

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