glutathione production in the body System: A Journey from Cyanobacteria to Higher Eukaryotes Glutathione! - PMC

[24] In one study, fullthickness wounds of 6 millimeters in diameter were created in an ischemic skin flap on the backs of rats, and for 13 days the wound sites were then treated daily with topical GHK-Cu or topical hydroxypropyl methylcellulose vehicle, or given no treatment

The combination also appears to reduce injection site reactions, making the practical experience more comfortable

Putting the numbers in context Here is a side-by-side comparison of peak weight loss results from both compounds

Kasai H

Subcutaneous injection into abdominal fat or near the site of injury (as commonly practiced by self-experimenters) is the most reported approach, but this is not a clinical protocol

Watanabe, Y