where to buy ghk-cu topical serum Skin Perfection 1% Copper Peptides for Face Hair Scalp .5 oz GHK Cu Peptide Serum –
Description
Redox Biology , 5, 66-70

If you need to transfer to new containers for aliquoting, use sterile borosilicate glass vials with rubber stoppers

Some people continue beyond that
Be consistent Most protocols suggest once or twice daily use
