Initial investigations focused on the metabolic stability of various Nle-AngIV-derived peptides in rat serum
10.1007/s11239-013-1041-6 J
Copper ions demonstrate more specific inhibition of type 1 5-alpha reductase compared to finasteride, which primarily targets the type 2 form, suggesting GHK-Cu may help reduce DHT's negative effects on follicles through this mechanism
If you see particles, cloudiness, discoloration, or any signs of contamination, do not use it
The most important rule is to keep it in a cool, dark place, away from direct sunlight and heat
When chosen wisely, they can play a key role in maintenance after injections or as a standalone for clients with strong digestion