Palmitoyl Tripeptide-1
Also known as: Pal-GHK · Palmitoyl-Gly-His-Lys · Matrixyl 3000 component · Biopeptide EL
Palmitoyl Tripeptide-1 is a matrikine — a small peptide fragment that signals to fibroblasts as if collagen breakdown has occurred, triggering compensatory collagen synthesis. The palmitoyl group increases lipophilicity, dramatically improving penetration through the stratum corneum. Once in the dermis,...
What It Is
Palmitoyl Tripeptide-1 is a matrikine — a small peptide fragment that signals to fibroblasts as if collagen breakdown has occurred, triggering compensatory collagen synthesis. The palmitoyl group increases lipophilicity, dramatically improving penetration through the stratum corneum. Once in the dermis, the GHK tripeptide binds to TGF-β signaling pathways and activates fibroblasts to upregulate Type I, III, and IV collagen synthesis, fibronectin, and proteoglycans. It also promotes GAG (glycosaminoglycan) synthesis including hyaluronic acid precursors. In combination with Palmitoyl Tetrapeptide-7 (the other half of Matrixyl 3000), it provides complementary signaling — Pal-GHK signals collagen synthesis while Pal-GQPR (Palmitoyl Tetrapeptide-7) signals extracellular matrix remodeling and IL-6 suppression.
Supplies Needed
Active collagen-stimulating peptide
Delivery vehicle for lipophilic peptide
Antioxidant and synergistic skin benefit
Storage
Store at -20°C in dry form; stable 2+ years
Finished formulation: room temperature 6–12 months with proper preservation
This information is provided for educational and research purposes only. Not approved for human consumption by the FDA or any regulatory body. Always consult a qualified medical professional.
Dosing Protocols
Timing: Evening or morning. Effective at low concentrations due to palmitoyl carrier. Allow 4 weeks minimum for collagen synthesis to show results.
↓ Apply these values to the reconstitution calculatorTiming: Morning and evening after cleansing. Matrixyl 3000 formulations use ~3% total peptide blend (Pal-GHK + Pal-GQPR). Apply before heavier moisturizers.
↓ Apply these values to the reconstitution calculatorTiming: Morning and evening. High-concentration anti-aging formulation. Combine with Argireline for muscle relaxation + collagen synthesis dual approach. Layer with vitamin C serum for synergistic photoaging reversal.
↓ Apply these values to the reconstitution calculatorWeekly Timeline
| Week | Expected Effects |
|---|---|
| Week 1 | Improved skin hydration; subtle smoothing effect |
| Week 2 | Early collagen synthesis beginning; skin texture improvements |
| Week 4 | Measurable improvement in skin firmness; fine line reduction |
| Week 8 | Significant wrinkle depth reduction; improved elasticity; skin visibly firmer and more youthful |
Reconstitution Calculator
1 unit on U-100 syringe = 0.01 mL · Always label your vial after reconstitution
Injection Technique & Reconstitution
- Palmitoyl Tripeptide-1 requires oil phase or lipid-containing vehicle for solubilization due to palmitoyl chain
- Dissolve in warm oil phase (30u201340u00b0C) or in propanediol/glycerin vehicle
- Mix into emulsion during cool-down phase below 40u00b0C
- Ensure homogeneous dispersion throughout formulation
- Store finished product in dark, sealed container; refrigerate for maximum stability
Use our free reconstitution calculator to get the exact syringe units for your vial size and dose.
Mechanism of Action
Palmitoyl Tripeptide-1 is a matrikine — a small peptide fragment that signals to fibroblasts as if collagen breakdown has occurred, triggering compensatory collagen synthesis. The palmitoyl group increases lipophilicity, dramatically improving penetration through the stratum corneum. Once in the dermis, the GHK tripeptide binds to TGF-β signaling pathways and activates fibroblasts to upregulate Type I, III, and IV collagen synthesis, fibronectin, and proteoglycans. It also promotes GAG (glycosaminoglycan) synthesis including hyaluronic acid precursors. In combination with Palmitoyl Tetrapeptide-7 (the other half of Matrixyl 3000), it provides complementary signaling — Pal-GHK signals collagen synthesis while Pal-GQPR (Palmitoyl Tetrapeptide-7) signals extracellular matrix remodeling and IL-6 suppression.
Key Research Papers
Clinical study showing Matrixyl 3000 (Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7) significantly increased skin firmness, elasticity, and reduced wrinkle volume after 2 months of twice-daily use.
View on PubMed →Stacks Well With
Argireline relaxes expression muscles to prevent new wrinkle formation; Palmitoyl Tripeptide-1 rebuilds the collagen structure of existing wrinkles u2014 gold standard cosmetic peptide combination
Both contain the GHK sequence u2014 Palmitoyl Tripeptide-1 is the lipidated collagen-signaling form; GHK-Cu is the copper chelate with wound-healing/antioxidant function. Together: comprehensive collagen stimulation and repair
Snap-8 prevents dynamic wrinkle deepening; Palmitoyl Tripeptide-1 rebuilds structural collagen u2014 preventive plus reparative anti-aging combination
Frequently Asked Questions
Matrixyl (the original) contained Palmitoyl Pentapeptide-4 alone. Matrixyl 3000 is a combination of Palmitoyl Tripeptide-1 (Pal-GHK) and Palmitoyl Tetrapeptide-7 (Pal-GQPR) u2014 both are components of the Matrixyl 3000 complex.
It acts as a matrikine u2014 mimicking a collagen breakdown fragment, signaling fibroblasts that collagen repair is needed. This triggers upregulation of collagen Types I, III, IV plus fibronectin and proteoglycans.
Collagen synthesis takes time u2014 expect 4u20138 weeks minimum for measurable skin firmness improvements, as new collagen fibers must be synthesized, cross-linked, and integrated into the dermis.
Legal Status by Region
This information is provided for educational and research purposes only. Not approved for human consumption by the FDA or any regulatory body. Always consult a qualified medical professional.