Overview
Lipophilic palmitoyl group enhances penetration to dermal fibroblasts where pentapeptide binds to collagen receptors.
Proposed mechanism
Palmitoyl pentapeptide-4 mimics a fragment of procollagen Type I, signaling fibroblasts to produce more collagen and hyaluronic acid.
What the evidence supports
Human data exists but the trials are small, short-term, or not yet replicated.
Graded Human-limited
Human data that exists but is thin: open-label work, single-arm studies, small cohorts, or observational follow-up without randomisation.
Key citations
Representative primary sources, including results that did not favour the compound.
- [1]
Matrixyl clinical study
· DOI:10.1111/j.1524-4725.2005.31773 · 2005
- [2]
Pentapeptide anti-aging
· DOI:10.1111/j.1365-2133.2007.08286.x · 2007
- [3]
Matrixyl clinical study (2005)
· · 0
- [4]
Pentapeptide anti-aging (2007)
· · 0
Citation records in this build are illustrative placeholders for the design.
Reference information for research purposes. Not medical advice, and not a recommendation to use any compound. Many entries describe substances that are not approved for human use.