For example, if you look on Clinicaltrials.gov, there are only two studies that even mention BPC-157, says Cushman
Follicle Size and Anagen Extension In a 1993 study by Pickart and colleagues, topical GHK-Cu applied to mice with surgically induced wounds significantly increased hair follicle size and triggered follicles from telogen back into anagen
I am using the use Intramuscular way
doi: 10.1007/s11882-020-00912-w
Ingredients: Purified Water (Aqua), Hyaluronic Acid (Sodium Hyaluronate), Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Glycerin, Butylene Glycol, Carbomer, Polysorbate 20, Organic Cocos Nucifera (Coconut) Oil, GHK-Cu (Glycyl-l-histidyl-l-lysine), Organic Simmondsia Chinensis (Jojoba) Seed Oil, Citrus Aurantium Dulcis (Orange) Peel Extract, Organic Camellia Sinensis (Green Tea) Leaf Extract, Methylene Blue, Phenoxyethanol
The dosage is different for women and men