Our Aussie made GHK Cu serum sold out in 2 weeks! Thank you for the incredible response. The good news? Being made right here in Australia means we can move fast. Next batch is Am+Pm 5% B5+GHK Cu Hydrating Serum Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health Meet the ingredient your skin has been waiting for. GHK Cu, or Copper Tripeptide 1, is one of the most researched anti ageing actives in skincare. It firms. It renews. It supports collagen. And now Understanding Topical GHK Cu Peptide Benefits for Skin Rejuvenation in Maryland Preston's Pharmacy