The effect of copper tripeptide and tretinoin on growth factor production in a serum-free fibroblast model
Most studies identify the pentadecapeptide as a compound that interacts with the nitric oxide (NO) system [23,41]
Further Reading Copper Peptides for Hair Growth: The Science (pillar) Hair Mesotherapy: Complete Guide (pillar) Best Copper Peptide Hair Growth Serums 2026 Buyer's Guide For more peer-reviewed studies on hair loss and copper peptide therapy, see our full research hub
Therefore, its target population comprises people who want a proactive over-the-counter skin care product for:2 3 4 7 Antiaging (wrinkles, fine lines, and/or sagging skin) Striae, or stretch marks Hyperpigmentation concerns (e.g., melasma, dark spots) Hair growth Slow-healing wounds that arent bedsores or due to diabetes3 Inflammatory skin conditions (e.g., eczema, rosacea, etc.) Scarring due to injuries, surgeries, or acne Acne, including cystic acne Injectable GHK-Cu may also be used for cosmetic health, but its categorically broader range of benefits makes it additionally appropriate for people seeking a therapy for:3 10 24 27 Pain and inflammation Muscle, tissue, and ligament recovery Who should avoid GHK-Cu