Supports smoother, firmer skin by boosting elasticity and refining surface texture over time
In March 2026, FDA issued 30 warning letters to telehealth companies marketing compounded GLP-1 products, citing claims that those products were equivalent or comparable to FDA-approved drugs, as well as marketing that blurred the line between approved and unapproved therapies
In the rat wound-chamber study discussed earlier, repeated GHK-Cu injections stimulated wound-tissue production, collagen, and glycosaminoglycan synthesis, and modulated proteoglycan expression a genuine demonstration that injected GHK-Cu can influence connective-tissue synthesis in a living animal
Alicia McCubbins , who specializes in MCAS, hormone/metabolic support, and highly sensitive patients