Palmitoyl Tripeptide-1: The Collagen-Boosting Half of Matrixyl 3000
Palmitoyl Tripeptide-1 (CAS 147732-56-7) is a palmitoylated fragment of the GHK sequence, engineered to activate transforming growth factor-beta (TGF-beta) signaling in dermal fibroblasts. This lipopeptide represents one of the two active components in the Matrixyl 3000 complex, where it drives the collagen-synthesis arm of the anti-aging mechanism. With a molecular weight of 564.78 g/mol, this compact signaling peptide delivers measurable extracellular matrix remodeling at concentrations as low as 10 ppm.
Mechanism of Action: TGF-Beta Pathway Activation
Palmitoyl Tripeptide-1 functions as a matrikine, a peptide fragment that mimics the biological activity of larger extracellular matrix proteins. The GHK (glycyl-histidyl-lysine) core sequence is a well-characterized collagen fragment released during tissue remodeling. By conjugating this tripeptide to a palmitoyl (C16) fatty acid chain, formulators gain two advantages: enhanced penetration through the stratum corneum lipid matrix, and improved residence time in the lipid-rich intercellular domains of the epidermis.
Once delivered to the dermal-epidermal junction, Palmitoyl Tripeptide-1 engages TGF-beta receptors on fibroblast cell surfaces. This triggers downstream SMAD signaling cascades that upregulate transcription of key structural proteins including type I collagen, type III collagen, and fibronectin. The net result is a measurable increase in dermal matrix density and organization.
Published Efficacy Data
In vitro fibroblast culture studies demonstrate concentration-dependent matrix protein synthesis. At 50 ppm, Palmitoyl Tripeptide-1 increased type I collagen production by 117% compared to untreated controls. At the higher concentration of 100 ppm, type III collagen synthesis rose by 327%, confirming robust dose-response behavior across the recommended use range. These figures reflect direct peptide activity on dermal fibroblasts under controlled conditions, providing formulators with reliable benchmarks for product development.
The clinical significance of these in vitro results becomes apparent when Palmitoyl Tripeptide-1 is combined with Palmitoyl Tetrapeptide-7 to form the Matrixyl 3000 complex. This dual-peptide system addresses both collagen synthesis (via TGF-beta activation) and inflammaging (via IL-6 suppression), delivering a 44% reduction in wrinkle volume after 2 months of twice-daily application in controlled clinical trials.
Formulation Guidelines for Cosmetic Chemists
Palmitoyl Tripeptide-1 is oil-soluble due to its palmitoyl fatty acid chain. This dictates its handling in emulsion systems: incorporate into the oil phase directly, or pre-dissolve in a lipophilic carrier such as caprylic/capric triglyceride or squalane before addition. For cold-process formulations, ensure the peptide is fully dissolved in the lipid carrier at room temperature before combining with the aqueous phase.
| Parameter | Specification |
|---|---|
| INCI Name | Palmitoyl Tripeptide-1 |
| CAS Number | 147732-56-7 |
| Molecular Weight | 564.78 g/mol |
| Recommended Use Level | 10-1000 ppm (pure peptide) or 2-4% commercial solution |
| Optimal pH Range | 5.0 – 7.0 |
| Addition Temperature | Below 45 degrees C (cool-down phase) |
| Solubility | Oil-soluble (add to oil phase or lipophilic carrier) |
Processing Considerations
Temperature sensitivity is the primary stability concern. Add Palmitoyl Tripeptide-1 during the cool-down phase, strictly below 45 degrees C, to prevent peptide bond hydrolysis. The target pH window of 5.0-7.0 aligns well with most cosmetic emulsion systems and ensures peptide stability throughout the product shelf life. Avoid strong oxidizing agents and extreme shear conditions during the incorporation step.
For Matrixyl 3000-type formulations, combine Palmitoyl Tripeptide-1 with Palmitoyl Tetrapeptide-7 at equimolar or equal-weight ratios in the oil phase. Both peptides share similar solubility profiles and processing requirements, simplifying co-formulation. The synergistic mechanism, collagen stimulation plus anti-inflammaging, requires both components to be present for full clinical benefit.
Why Source Palmitoyl Tripeptide-1 from TCS NEXUS S.L.
TCS NEXUS S.L., based in Valencia, Spain, supplies research-grade and cosmetic-grade Palmitoyl Tripeptide-1 with full analytical documentation including HPLC purity, mass spectrometry confirmation, and certificate of analysis. European-based inventory means shorter lead times for EU and UK formulators, with customs-cleared shipping across the continent. Technical support from experienced peptide chemists is available to assist with formulation optimization and compatibility testing.
Frequently Asked Questions
What is the difference between Palmitoyl Tripeptide-1 and GHK-Cu?
Both derive from the GHK sequence, but Palmitoyl Tripeptide-1 carries a C16 fatty acid chain for oil solubility and enhanced skin penetration, while GHK-Cu is a copper-complexed water-soluble peptide. They activate overlapping but distinct signaling pathways and can be used in complementary formulations.
Can Palmitoyl Tripeptide-1 be used without Palmitoyl Tetrapeptide-7?
Yes, Palmitoyl Tripeptide-1 has standalone collagen-stimulating activity. However, the Matrixyl 3000 combination with Palmitoyl Tetrapeptide-7 provides the dual-action approach (synthesis + anti-inflammation) that produced the strongest clinical results.
What is the shelf life of Palmitoyl Tripeptide-1 raw material?
Stored as a dry powder at -20 degrees C, Palmitoyl Tripeptide-1 maintains stability for 24 months or longer. In solution or finished formulations, stability depends on pH, temperature, and preservative system. Accelerated stability testing under your specific formulation conditions is always recommended.
Further reading: See also: Cosmetic Peptides Technical Guide
Technical Support and Samples
Request COA documents, sample availability, or support for custom synthesis.
Frequently Asked Questions
Do you provide COA documents for Palmitoyl Tripeptide-1 | Matrixyl 3000 EU Supplier?
Yes. Each lot can be supplied with a Certificate of Analysis, HPLC purity data, and relevant quality-control results for technical review.
Are samples available for Palmitoyl Tripeptide-1 | Matrixyl 3000 EU Supplier?
Yes. Sample availability can be confirmed for formulation screening and internal evaluation before a commercial order is placed.
What is the delivery lead time for Palmitoyl Tripeptide-1 | Matrixyl 3000 EU Supplier?
For stocked material in Valencia, EU delivery is typically 5 to 7 business days. Final timing depends on destination and requested volume.
Do you also support custom synthesis and technical inquiries?
Yes. The team can help with custom synthesis, raw-material selection, technical documentation, and supply planning.