Science
Mechanism of Action
Operating as a synthetic biomimetic peptide, TRIPEPTIDE-59 (Palmitoyl Tripeptide-5) acts by mimicking thrombospondin-1 (TSP-1) to specifically stimulate tissue growth factor-β (TGF-β) within dermal fibroblasts. This activation significantly promotes the endogenous synthesis of critical Type I and Type III collagen. Furthermore, it exerts an inhibitory effect on matrix metalloproteinases (MMPs), particularly MMP1 and MMP3, thereby mitigating enzymatic degradation of collagen. This dual mechanism effectively enhances the skin's structural integrity, contributing to increased firmness, improved elasticity, and a measurable reduction in the appearance of wrinkles and fine lines. It also supports the maintenance of a robust extracellular matrix, offering protection against age- and UV-induced collagen breakdown while refining skin texture and pore appearance.
Research
Clinical Evidence
High confidence2.5%
Key findings
- 01 A 1% concentration (as ingredient solution) applied twice daily for 84 days resulted in a 7% reduction in wrinkle appearance among 45 volunteers.
- 02 A 2.5% concentration (as ingredient solution) used twice daily for 84 days led to a 12% reduction in wrinkle appearance, along with observed improvements in elasticity, firmness, and pore refinement after four weeks, across 45 volunteers.
- 03 In a study involving 33 female Chinese volunteers, 77% perceived enhanced firmness and elasticity, and 60% observed reduced pore size after 4 weeks of treatment with a formulation containing the ingredient solution at its typical 1-3% usage level.
- 04 A cream formulation incorporating 10-25 ppm of the pure peptide demonstrated dose-dependent wrinkle reduction, as quantified by PRIMOS surface topography.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Should be incorporated into formulations during the cool-down phase, specifically below 40 °C. For storage, maintain in a cool, dry environment below 25 °C, protected from light and humidity. Refrigeration (2-8°C) is highly recommended to preserve stability.
Safety
Safety Profile
Palmitoyl Tripeptide-5 is included in CIR safety assessments for Palmitoyl Oligopeptides, which concluded these ingredients are safe in present practices of use and concentration in cosmetics. It is generally considered well-tolerated and suitable for sensitive skin. Typical pure peptide concentrations in products are often less than 10 ppm (0.001%), with a maximum pure peptide dose of 0.1% (1000 ppm) cited.
Your Skin
Skin Compatibility
Our Assessment
Verdict
TRIPEPTIDE-59 (Palmitoyl Tripeptide-5) is a highly effective biomimetic peptide that actively boosts collagen synthesis and reduces collagen degradation, demonstrating significant clinical efficacy in improving skin firmness, elasticity, and reducing the appearance of wrinkles.
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