Safety, Stability, and Storage This copper peptide has a favorable safety profile across decades of research
Its key physical and chemical properties are as follows: Chemical Name: Copper Tripeptide-1 (GHK-Cu) CAS Registration Number: 49557-75-7 Molecular Formula: CHNOCu Molecular Weight: 401.93 Visual Appearance: Blue crystalline powder Solubility Trait: Excellent water solubility, easy to incorporate into aqueous cosmetic formulations Stability Range: Maximum structural and biological stability at pH 5-7 Core Nature: Small molecular protein, a premium multi-functional cosmetic active ingredient with high bioavailability Core Efficacy of GHK-Cu (CAS 49557-75-7) Scientifically Validated Skin Benefits The efficacy of Copper Tripeptide-1 is not just theoretical, but has been verified by in vitro cell experiments and industry research
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The big downside of this ingredient is formulation difficulty
Peptide clears from blood BUT cellular processes continue Duration of cellular effects: Why this matters: Don't need continuous high levels in blood Single injection triggers multi-day effects 2-3x weekly dosing sufficient (not daily required) Cellular "memory" of GHK-Cu exposure Cumulative effects with repeated dosing: Each dose builds on previous Collagen accumulation over weeks Tissue remodeling compounds Results improve with consistent use Comparing GHK-Cu to other peptides Half-life comparison table: GHK-Cu positioning: Short half-life like Ipamorelin But longer cellular effects than half-life suggests Middle-ground dosing frequency (not daily, not weekly) Cumulative benefits with consistency See our BPC-157 guide , TB-500 guide , peptide dosing guide , and peptide dosage chart