Hyaluronic Acid vs Copper Peptides (GHK-Cu): A Direct Comparison Its clear that both ingredients are commendable, but their 'winning' depends entirely on your primary skin concern
Size - 35 ml Ingredients: Water, Methylpropanediol, Glycerin, Beta-Glucan, Dimethicone, Titanium Dioxide, Niacinamide (20,000 ppm), Cyclopentasiloxane, Betaine, Polyglycerin-3, Algae Extract, Eclipta Leaf Extract, Centella Extract, Fig Fruit Extract, Licorice Extract, Panax Ginseng Extract, Ulmus Davidiana Extract, Caudatus Seed Extract, Lecithin, Kernel Oil, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium Polyacrylate, Ethylhexyl Stearate, Isohexadecane, Panthenol, Dimethiconol, Butylene Glycol, Glutathione (1000ppm), Rice Ferment, Sorbitan Oleate, Triethoxycaprylylsilane, Trideceth-6, Squalane, Fructooligosaccharides, Hydrogenated Polysobutene, Disodium EDTA, Isononyl Isononanoate, Polyglyceryl-10 Stearate, Cetearyl Alcohol, Stearic Acid, Shea Butter, Polyglyceryl-2 Dipolyhydroxystearate, Hyaluronic Acid, Inulin Lauryl Carbamate, Pearl Powder, Carbomer, Ceramide NP, Disodium Stearoyl Glutamate, Palmitoyl Pentapeptide-4, Polysorbate 80, Polysorbate 20, Frangrance, 1,2-Hexanediol, Hydroxyacetophenone
Brain Res (1993) 601(12):1218
A pharmacy might send a 10mg/2mL pre-mixed vial (5mg/mL) or a 12.5mg/2.5mL vial (also 5mg/mL) or any number of custom concentrations
Here is how Peptide Sciences performs on each
