Dihexa is sold as a research chemical, not a supplement or approved drug, and is not for human consumption

Ingredients: Water, Ethylhexyl Methoxycinnamate, Butylene Glycol, Ethylhexyl Salicylate, Octocrylene, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Butyl Methoxydibenzoylmethane, Dipropylene Glycol, Niacinamide, Squalane, C14-22 Alcohols, 1,2-Hexanediol, Polyglyceryl-2 Stearate, Propanediol, Hydroxyacetophenone, Glyceryl Stearate, Stearyl Alcohol, C12-20 Alkyl Glucoside, Tromethamine, Centella Asiatica Extract, Carbomer, Melaleuca Alternifolia Extract, Hippophae Rhamnoides Fruit Extract, Vitis Vinifera Fruit Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Uncaria Sinensis Extract, Glycerin, Adenosine, Disodium EDTA, Oryza Sativa Bran Extract, Hydrogenated Phosphatidylcholine, Caprylic/Capric Triglyceride, Sodium Hyaluronate, Glucose, Hydrolyzed Collagen, Sucrose Stearate, Glutathione, Cyclodextrin, Cetearyl Alcohol, Caprylyl Glycol, Beta-Glucan, Caprylhydroxamic Acid, Ethylhexylglycerin, Asiatic Acid, Asiaticoside, Madecassic Acid, Madecassoside, Tropolone, Hyaluronic Acid, Potassium Hyaluronate

because to these observed biological actions, BPC-157 has attracted considerable scientific interest
Cell 185 , 13561372.e1326 (2022)
DOI: 10.1038/s41423-022-00902-0
There are other types of collagen, but type I is the most common in the skin