The point isnt to sell you a peptide
Both have generated tremendous preclinical amount of knowledge regarding the wound repair, angiogenesis and musculoskeletal regeneration, and both peptides are commonly used together for preclinical experiments
Enhanced Recovery and Tissue Repair IGF-1 LR3 accelerates repair of damaged muscle, tendons, and ligaments, shortening recovery time between sessions
Another study determined that GHK-Cu was able to increase the production of NT-3, NT-4, and nerve growth factor - this increase caused the regeneration of nerves at a faster rate
Bottom line: Pair with sunscreen and a retinoid for the best evidence-based skin aging regimen FAQ How Much Should I Apply Per Use
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