ghk-cu administration routes Peptide Injection: Clinical Considerations – PlexusDx GHK-Cu Peptides Before and After:
Description
Summary The 5-Amino-1MQ Research Spray Kit contains a selective NNMT inhibitor supplied as a lyophilized powder with a precision spray system for controlled laboratory use

I will say that once I did experience a 25% increase in deep sleep after using it, but it was only one night so I hesitated to attribute it to the peptide

12871295, Dec

Open Acc J Comp & Alt Med

This causes the frozen water content to sublimate directly from solid ice to vapor, leaving behind a stable, crystalline peptide powder
