do you have to inject ghk cu GHK-Cu Injectable Peptide for Skin & Hair Rejuvenation FDA scientists flag concerns with

[2,7] Hydrophobic peptides: may require a minimal pre-solubilization step using a compatible organic solvent (e.g., DMSO or acetonitrile), then dilute into water/buffer to the final concentration

therefore, it is not yet available as a prescription medicine

These findings seem to indicate that surgical intervention will remain a necessary component of care for patients with lateral epicondylitis who are not cured by Botulinum toxin injection or other, more common treatment modalitiesand that we should pay attention to improving surgical outcomes

89 , e0028621 (2021)

Bioactive Peptides Derived from Food Proteins Preventing Lifestyle-Related Diseases

However, it is not FDA-approved for medical treatment or injection, and regulatory status may vary by use