It is important to note that the whitening effects of glutathione injections vary depending on the individual, the dosage, and the duration of use
Key Takeaway GHK-Cu vs NAD+ comparison
A 0.1 percent serum with proper delivery outperforms a 5 percent serum that never reaches the dermis

Water, Methylpropanediol, Glycerin, Beta-Glucan, Dimethicone, Titanium Dioxide, Niacinamide, Cyclopentasiloxane, Betaine, Polyglycerin-3, Eclipta Prostrata Leaf Extract, Laminaria Japonica Extract, 1,2-Hexanediol, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium Polyacrylate, Ethylhexyl Stearate, Isohexadecane, Panthenol, Dimethiconol, Hydroxyacetophenone, Butylene Glycol, Polysorbate 80, Centella Asiatica Extract, Ficus Carica (Fig) Fruit Extract, Fragrance, Glutathione, Glycyrrhiza Glabra (Licorice) Root Extract, Lactobacillus/Rice Ferment, Sorbitan Oleate, Triethoxycaprylylsilane, Trideceth-6, Hydrogenated Lecithin, Fructooligosaccharides, Hydrogenated Polyisobutene, Squalane, Disodium Edta, Argania Spinosa Kernel Oil, Isononyl Isononanoate, Polyglyceryl-10 Stearate, Amaranthus Caudatus Seed Extract, Butyrospermum Parkii (Shea) Butter, Cetearyl Alcohol, Panax Ginseng Root Extract, Polyglyceryl-2 Dipolyhydroxystearate, Stearic Acid, Ulmus Davidiana Root Extract, Hydrolyzed Hyaluronic Acid, Inulin Lauryl Carbamate, Carbomer, Pearl Powder, Ceramide Np, Polysorbate 20, Disodium Stearoyl Glutamate, Palmitoyl Pentapeptide-4

McGraw-Hill Education, New York Kanner BI, Schuldiner S (1987) Mechanism of transport and storage of neurotransmitter
Because a shot or drip is minimally invasive, the most common effects are minor: a little tenderness at the injection site, or the cool sensation of a drip going in