Adding injectable GHK-Cu at $200 to $400 per month with limited supporting evidence may not be the best use of budget
According to a 2012 study on a serum containing barley bioengineered epidermal growth factor, "clinical evaluations showed statistically significant improvement in the appearance of fine lines and rhytids, skin texture, pore size , and various dyschromatic conditions apparent within the first month of use, and continuing improvement trends for the duration of the study" (which was 3 months)
Strongest human evidence (topical) The Leyden 2002 photoaging trial in 71 women applied a GHK-Cu facial cream for 12 weeks and reported measurable improvements in skin density, thickness, fine lines, and laxity
SPL UNCLASSIFIED SECTION Reorder #005554 Questions
Because these peptides arent currently legal for consumers, the only active pharmaceutical ingredients now available are research-grade ones that arent permitted in human drugs, explains Brunner of the compounding industry trade group
How Do Their Mechanisms Differ