ghk cu copper tripeptide 1 hair growth studies evidence Peptide Serum Hair Tonic with GHK Copper Tripeptide Hair Loss Study
Description
Sobo Dr

Subcutaneous injections are thought to absorb more slowly, which may help the peptide stay active in the body longer

PubMed reference (NNMT inhibition & metabolic health)
In particular studies it extended the life of mice and rats and delayed age-related degenerative changes in both the immune and reproductive systems