The ladies are raving about GHK but let's see if it actually makes a difference #lowtox #health #GHK #migraine #women Copper Peptides: Do You Really Need to Inject Them? Nubeean Noosa The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Four reasons this serum belongs in your routine. GHK Cu Peptides that firm and support collagen renewal. Barrier support to keep your skin healthy and resilient. No injection. No needles. No clinic visit.