Science
Mechanism of Action
As a signaling molecule, Heptapeptide-17 modulates endogenous skin repair processes, fostering enhanced skin cell proliferation and stimulating collagen synthesis. It demonstrates significant antioxidant activity and protects skin cells, notably by activating the Nrf2 pathway, crucial for cellular antioxidant responses. This peptide also contributes to reducing inflammation, promoting fibroblast activity, and strengthening the skin barrier through the synthesis of essential lipids and proteins.
Research
Clinical Evidence
Medium confidence0.014%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Peptide stability in aqueous formulations is critically dependent on pH; optimal pH strategies are essential for stabilization. While some peptides exhibit enhanced enzymatic stability around pH 5, general guidance suggests using sterile water or buffer systems (e.g., Tris or phosphate, buffered to pH 7) for solutions. Peptides containing amino acids like Cys, Met, or Trp require oxygen-free storage to prevent oxidation, while those with Asp, Glu, Lys, Arg, or His are prone to moisture absorption and should be stored in a desiccator. Heptapeptide-17, containing asparagine, leucine, serine, and threonine, is generally water-soluble due to its hydrophilic residues, though leucine introduces some hydrophobic character. Encapsulation, such as in solid lipid nanoparticles (SLN), has been shown to enhance the delivery and stability of similar heptapeptides.
Safety
Safety Profile
Comprehensive safety assessments for Heptapeptide-17 by regulatory bodies like CIR, SCCS, or FDA are currently not available. General hazard classifications (GHS) report no specific hazards, pictograms, or precautionary statements, with oral, dermal, and inhalation toxicities 'Not determined'. While the Cosmetic Ingredient Review (CIR) Expert Panel has deemed other peptide ingredients safe, this assessment does not directly extend to Heptapeptide-17 due to a lack of specific data.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Heptapeptide-17 is a valuable peptide for advanced skincare, demonstrating potent UV protection, DNA damage reduction, and broad skin repair mechanisms, though further specific safety assessments would strengthen its profile.
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