This peptide reverses aging, And its been hiding in plain sight for decades., GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there., Heres what it does:, Peptide Therapy for Pain Management and Healing Core Medical & Wellness GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn GHK CU Beverly Hills Rejuvenation Center