glutathione-s-transferase Glutathione S-Transferase from equine liver Ethacrynic acid, Glutathione S-transferase (GST)

The FDA has raised concerns about purity, immune reactions and the lack of human research

The discoloration is attributed by community sources to copper localization in the subcutaneous tissue

Some early studies have suggested that GHK-Cu may stimulate hair follicle activity through pathways that share features with those of minoxidil, a topical treatment licensed by the Medicines and Healthcare products Regulatory Agency (MHRA) for androgenetic alopecia

The molecule is very large, making it difficult for the skin to absorb effectively from the surface

Assessment of injection site tolerance and any side effects experienced