Side effects are rare and usually mild, such as temporary lightheadedness or vein sensitivity
Restlessness, insomnia, headache, psychosis, dry mouth, rash, sexual dysfunction, an unpleasant taste, and gastrointestinal disturbances may also occur
Antibody array results contained growth factor/cytokine such as HGF, FGF-1, G-CSF, GM-CSF, IL-6, VEGF, and TGF-3 differing from that shown by 2-D analysis
PTD-DBM and GHK-Cu Peptides Iceland for Hair Growth and Skin Elasticity Hair does not stop growing overnight
Clinical evidence of using copper peptides for hair growth: Copper-peptide formulations have been assessed in different conditions in several peer-reviewed studies: A 1% GHK-Cu serum was applied twice a day to participants in a randomized, double-blind study (n = 60, 24 weeks)
However, bioavailability through nasal delivery is lower than injection