They mean the choice matters
Quick Comparison Table How Topical GHK-Cu Works Topical GHK-Cu operates through a well-characterized mechanism: the tripeptide-copper complex penetrates the outer skin layers and accumulates as a depot in the epidermis and upper dermis, where it exerts localized effects on fibroblasts, keratinocytes, and extracellular matrix components
Active individuals and athletes increasingly prefer bioactive blends that improve endurance capacity and post-exercise fatigue response, driving demand for reduced glutathione, liposomal variants, and citrulline-malate combinations
If its conjugation, the body gets destroyed
Think of it as a simple "meet and greet" between the product and your skin
Sinicropi, MD Great point ,it's math, not science