Although GHK-Cu has a history of safe use, certain populations are better off avoiding it.3 11 These include: Anyone under the age of 18: We dont yet know if copper peptides can have an adverse effect on young people
At 2mg three times weekly, your 100mg vial provides approximately 16-17 weeks of supply, well over the typical 8-12 week cycle length
The use of high doses of glutathione and IV administration is not regulated in many countries and may have unknown long-term effects
Unlike peptides that target a single receptor or hormone, copper peptide influences gene expression, collagen production, inflammation, and antioxidant defense at the same time
Journal of Cosmetic Dermatology, 19 (12), 3262-3269
Topical scalp: 0.5 % solution, 12 ml twice daily for at least 6 months