However, persistent burning, stinging, or increasing irritation suggests the concentration may be too high or your skin needs more time to adjust
The short answer: it depends on how your provider gives it
These peptides are often combined for their synergistic effects, particularly in addressing connective tissue and joint injuries
Powder -80C, 2 years , -20C, 1 year * In solvent : -80C, 6 months
Because the copper ion participates in redox reactions, the complex may degrade under unfavorable conditions
Selected Research References Seiwerth S, Sikiric P, Rucman R, et al