do you need to keep topical ghk cu refrigerated RONKIE GHK-Cu Peptide Cream for Face: Blue Beef Tallow Moisturizer with Copper Peptides Methylene Blue Gentle and Safe for Dry Sensitive Mature Skin 2oz : Beauty & Personal Care and recovery. The GHK-Cu pen works. But

It does not contain amino acids and is not produced by peptide-bond chemistry

Homologs of PET27 and PET30 were identified in global metagenomes, with a notable prevalence in aquatic ecosystems (predominantly occurring in marine environments), which implies their involvement in the degradation of PET in diverse settings

These hypotheses have sprung from its perceived potential to stimulate the production of collagen, elastin, and glycosaminoglycans, crucial intercellular matrix components

Federal Register FDA

The 129-152% increase in blood vessel formation documented in BPC-157 research accelerates granulation tissue formation in wounds, but the same mechanism could support collateral circulation in ischemic tissues

The different stratified skin layers were suspended in methanol and the copper peptides were extracted by ultrasonication