GHK-Cu solves both problems at once: it increases collagen production AND ensures the copper is available for proper structural assembly
Bradbury JA, Danjoux JP, Voller J, Spencer M, Brocklebank T (1991) A randomised placebo-controlled trial of topical cysteamine therapy in patients with nephropathic cystinosis
GDNF is involved in the barrier-inducing effect of enteric glial cells on intestinal epithelial cells under acute ischemia reperfusion stimulation
This can lead to improved muscle mass and overall body composition
Until recently, I was squeamish when it came to needles
For ingredient-focused reading, Skin Perfection's guide to copper peptides for skin is a practical starting place, and readers who want external technical context can review Australian GHK-Cu peptide research data