Effects of GHK Cu on MMP and TIMP Expression, Collagen and Elastin Production, and Facial Wrinkle Parameters GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not Now the real issue here isnt peptides, it is the long term affect, and I do have cautious optimism about them, however i dont wish it goes the way of glyphosate. Zain Hasan Facebook Peptides, People and the Power of the Anecdote Here's what yesterday's peptide post taught us about people, fast. A lot of smart people will defend a story they have invested in, even