It's part of the dicarboxylic acid family and has antibacterial, keratolytic, comedolytic, and antioxidant properties
Other ingredients Water, methylpropanediol, glycerin, niacinamide, propanediol, 1,2-hexanediol, glycereth-26, polyglycerin-3, butylene glycol, carbomer, arginine, sodium ascorbyl phosphate, allantoin, polyglyceryl-10 laurate, hydrogenated lecithin, ethylhexylglycerin, xanthan gum, glutathione, dipropylene glycol, disodium edta, coptis japonica root extract, fragrance, methyl diisopropyl propionamide, panthenol, sodium hyaluronate, sodium polyacrylate, glyceryl acrylate/acrylic acid copolymer, pvm/ma copolymer, ceramide np, hippophae rhamnoides water, ascorbic acid, 3-o-ethyl ascorbic acid, acetyl glucosamine, tocopherol, lecithin, polysorbate 20, biotin, cyanocobalamin, folic acid, pyridoxine, riboflavin, thiamine hcl, retinol
The FDAs unapproved drugs page also explains that products without approval cannot be sold for human use
M., & Vasi, V