tripeptide-1 ghk-cu 89030-95-5 Gly-His-Lys-Cu Copper Tripeptide-1; Prezatide copper Stimulates production of collagen and elastin GHK-Cu Serum — Professional Copper
Description
One source says use a syringe

Other methods, like intravenous injection, can be difficult and costly

[DOI] [PMC free article] [PubMed] [Google Scholar] 307.Acharya S., Safaie B.M., Wongkongkathep P., Ivanova M.I., Attar A., Klarner F.G., Schrader T., Loo J.A., Bitan G., Lapidus L.J

This vitamin is given via injection or pill form and has a reputation for helping people feel great, but does that mean that vitamin B12 is right for everyone