ghk-cu peptide hair growth Copper & Scalp Serum ghk cu scalp serum GHK-CU

While earlier studies suggested that -arrestin-2 recruitment mediates respiratory depression (Raehal et al., 2005), this hypothesis has been challenged by recent work demonstrating comparable respiratory depression in -arrestin-2 knockout mice (Kliewer et al., 2020

Not a medicine

The Firmicutes phylum contains the majority of the bacteria that produce TMA, including some Actinobacteria and Proteobacteria as well as Clostridium cluster XIVa and Eubacterium strains (184)

It's a synthetic peptide made up of 15 amino acids, originally derived from a protein found naturally in human gastric (stomach) juice

Same formula as our GHK-Cu Hair Tonic, with Copper Tripeptide-3 in place of Copper Tripeptide-1