GHK Cu (Copper Peptide) isn't just another trend. It's a naturally occurring peptide in our bodies that plays a vital role in healing, collagen production, skin regeneration, and even hair support. Here's all Longevity: Functional Medicine for Optimal Health and Wellness Peptides for Plastic Surgery: Weight Loss, Skin, Healing & Recovery Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.