Biopeptide CL (Palmitoyl Tripeptide-5)
Overview
Palmitoyl Tripeptide-5 is a synthetic lipopeptide consisting of a tripeptide sequence conjugated to palmitic acid to enhance dermal penetration. The peptide is designed to stimulate collagen synthesis by mimicking the activity of thrombospondin-1, a matricellular protein involved in extracellular matrix remodeling.
Mechanism of Action
Its therapeutic rationale centers on attenuating photoaging and improving skin elasticity through upregulation of Types I and III collagen in dermal fibroblasts.
Research Summary & Key Findings
In vitro studies have demonstrated increased collagen gene expression and decreased matrix metalloproteinase activity in cultured human fibroblasts. Small-scale human pilot studies reported improvements in skin roughness and fine lines after 12 weeks of topical application, though peer-reviewed controlled trial data remain limited.
Clinical Status
Biopeptide CL (Palmitoyl Tripeptide-5) is in the research phase with limited clinical data in humans. Current evidence is primarily derived from preclinical (animal or in vitro) studies.
Administration Routes
References
Primary literature
- PubMed — "Biopeptide CL"
Peer-reviewed literature indexed by the National Library of Medicine.
- ClinicalTrials.gov — "Biopeptide CL"
Registered interventional and observational studies, including status and phase.
- PubChem — "Biopeptide CL"
Chemical structure, molecular properties, and bioactivity data.
Study-level citations for this compound are being verified against the primary sources before publication. The database queries above return the current indexed literature in the meantime.
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