Use in the evening - this allows overnight contact time and avoids UV exposure while the product is on the scalp
Repeated dosing studies in rats, dogs, and mice for up to 6 weeks across doses from 0.006 mg/kg to 20 mg/kg via multiple routes showed excellent tolerance
Also some people do report one or the other to have worked better for them
There is also a rule that matters for anyone in competitive sport, since AOD 9604 is prohibited by the World Anti-Doping Agency, so athletes subject to testing need to be aware before they consider it
Synergistic Integration Together, these three peptides address the complete regeneration cascade: initial response and inflammation control (BPC-157), cellular migration and reorganization (TB-500), and extracellular matrix synthesis and maturation (GHK-Cu)
Skin Health: Improve complexion and support cellular repair