Raw Copper Peptide Powder for Anti Aging How to Use & Benefits of GHK CU for Aging & Hair Growth GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu Peptide Therapy Brea, CA Orange County