ghk cu peptide skincare GHK-CU Copper Peptide, Face Cream, 2 oz (60 ml) Nardos Natural Copper Peptide Firming Serum Vitali Copper Peptide (GHK-Cu) Serum

A sterile diluent

Enhanced product testing We take products from our inventory and send them to independent labs for blind purity and potency testing

Shelf life: Several years when properly stored at -20 degrees Celsius Reconstituted (liquid) form: Temperature: Refrigerate at 2 to 8 degrees Celsius immediately after reconstitution Shelf life: Use within 2 to 4 weeks for optimal potency Never freeze reconstituted peptides Do not expose to repeated temperature cycling For comprehensive storage guidance, our articles on how to store peptides after reconstitution , how long reconstituted peptides last in the fridge , and general peptide fridge storage guidelines provide detailed protocols for maintaining peptide integrity

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Certificates of Analysis (COA) and Material Safety Data Sheets (MSDS) are available upon request to support regulatory documentation and internal laboratory compliance

If you are comparing GLP-1 categories, our compounded tirzepatide guide explains why approved, compounded, and investigational products should not be treated as the same category