98 The classic triad of clinical features (Figure 2) are altered mental status (including anxiety, agitation, and confusion), autonomic nervous system overactivity (including diaphoresis, tachycardia, hyperthermia, hypertension, vomiting, and diarrhoea), and neuromuscular hyperactivity (muscle rigidity, hyperkinesis including myoclonus and tremor, hyperreflexia, and bilateral Babinski sign)
Strong oxidizers can degrade copper peptides
GHK-Cu peptide is studied in laboratory settings for skin regeneration, collagen signalling, wound-healing pathways, antioxidant activity, and hair biology research
Physical activity, including mild aerobic exercise such as walking, dancing, and swimming, will help keep the body strong and prevent muscle weakening
Injection site reactions remain present but predictable and manageable
Most side effects are mild and injection-related