Science
Mechanism of Action
Tetrapeptide-45 operates as a skin conditioning agent, primarily theorized to act as a signaling peptide. This mechanism involves communicating with skin cells to potentially upregulate the production of vital extracellular matrix proteins like collagen, elastin, and fibronectin. Such stimulation is anticipated to support dermal structure, leading to observed improvements in wrinkle reduction, skin firmness, and elasticity. Additionally, it may contribute to skin health through antioxidant activity and by reducing inflammatory responses, thereby enhancing hydration.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
For optimal peptide stability in aqueous solutions, a pH range between 3 and 5 is generally recommended to minimize degradation pathways like deamidation. While specific data for Tetrapeptide-45 is not widely published, this range is a common guideline for peptide-containing formulations. Some experimental tetrapeptides have shown self-assembly at pH 7 and 9, which is distinct from stability against chemical degradation.
Safety
Safety Profile
Tetrapeptide-45 has not undergone formal safety assessments by major regulatory bodies such as CIR, SCCS, or FDA. However, the INCI Beauty database reports 'No penalty' across all categories, suggesting a low potential for problematic effects in cosmetic applications. Safety profiles of related peptides, like Palmitoyl Tetrapeptide-7, indicate safety at typical cosmetic concentrations, often below 10 ppm.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While Tetrapeptide-45 shows theoretical promise as a signaling peptide for skin conditioning and anti-aging benefits, specific clinical efficacy data and detailed formulation parameters for this particular peptide are currently insufficient for a conclusive assessment.
Related
Similar Ingredients
Finding similar ingredients…