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People are injecting copper peptides ahead of the science : NPR
NPR • • nation
Key Points:
- Copper peptide GHK-Cu has gained popularity on social media for its claimed anti-aging benefits, including firmer skin and improved hair, with many users now injecting it subcutaneously rather than applying it topically.
- While GHK-Cu has decades of scientific research supporting its benefits for skin health, including collagen stimulation and wound healing, there are no published human studies confirming the safety or efficacy of injectable use.
- Experts caution against self-injection due to risks such as copper overload and immune reactions, especially since many users obtain peptides from unregulated online sources with uncertain quality and dosage.
- Regulatory status of injectable GHK-Cu remains unclear, with compounding pharmacies currently restricted from offering it for injection, though FDA advisory panels are reviewing its classification.
- Clinicians report that topical GHK-Cu products are more effective for skin and hair benefits, while injections often show minimal impact and carry higher risks, highlighting the need for more rigorous human trials before widespread injectable use.
