Personal use for research purposes occupies a different regulatory space than commercial distribution for therapeutic claims
The evidence was based on experimental data only briefly described in the patent and included models of: gastric ulcers, heart damage, liver damage, pancreatic injury, kidney damage, experimental diabetes, fever, edema, rhinitis, bone fracture, burns, skin wounds, hypersensitivity reactions, pupil dilation, colon injury, tumour growth, radiation injury, red blood cell development, fertility and lactation, tooth damage, several types of central and peripheral nerve damage, and survival from infection with Trichinosis (i.e., tapeworms) as well as several viruses
Users with established tolerance who haven't achieved desired results at 1% may benefit from stepping up to 2%
Beyond cosmetics, research has explored GHK-Cu's potential in therapeutic wound healing (chronic wounds, surgical recovery, diabetic ulcers), hair restoration, tissue engineering, nerve regeneration, lung disease, and even systemic anti-aging interventions