Related Resources Complete GHK-Cu Guide GHK-Cu Copper Peptide Research GHK-Cu for Hair Loss Research GHK-Cu Topical Serum Guide Matrixyl vs GHK-Cu Comparison How to Read a Peptide COA Peptides for Hair Growth Best Peptides for Skin Research All PSPeptides products, including GHK-Cu spray, are sold exclusively for laboratory and research use
In its advanced stages, the bones begin to rub against one another, causing pain, stiffness and reduced mobility
Patients, athletes, healthcare workers and others use sterile solutions to help in medication delivery, injections, irrigation and other uses
What a COA (Certificate of Analysis) Should Include Identity Confirmation Mass spectrometry confirming molecular weight ~419.4 Da (molecular formula C22H21N5O3) NMR or LC-MS/MS structural confirmation for a small molecule (peptide vendors often skip this small-molecule identity confirmation is non-negotiable here) Purity Testing HPLC purity 98%+ minimum Single dominant peak on the HPLC chromatogram Contamination Testing Residual solvent panel (DMSO, ethanol, acetone all common in small-molecule synthesis) Heavy metals screen Endotoxin testing if the product is positioned for injectable use How to Verify a COA Is Legitimate Match lot number to batch
Side-by-Side Comparison Composition: Sterile water is just water thats been sterilized (no other ingredients)