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Comparison at a glance GHK-Cu (copper tripeptide) What the research shows GHK-Cu is the most-cited peptide in the hair-growth context, largely because copper tripeptides act on the dermal papilla cells that regulate the follicle

Marr AK, Gooderham WJ, Hancock RE (2006) Antibacterial peptides for therapeutic use: obstacles and realistic outlook

Each peptide in the stack is verified to 99%+ purity by HPLC analysis

Albert Einstein College of Medicine, New York, New York 1987 Residency Department of Family and Community Medicine UCSF San Francisco, California 1987-1990 Honors and Awards Phi Beta Kappa University of Florida Alpha Lambda Delta, National Honor Society Order of Palm, Senior Honors Recognition, USC Region II Coordinator, 1st Symposium on Acquired Immune Deficiency, Albert Einstein College of Medicine 1983 Mortar Board, National University and Community Service Order Medical Director, Camp Hakuna Matata, a summer camp for children and their families affected by HIV / Aids

It can increase your heart rate and potentially increase your blood pressure