The second ingredient in these ear drops is "Flavor" : r/mildlyinteresting
Amazon.com: Murine Ear Wax Removal Drops, 0.5 oz Ear Drops Bottle : Health & Household
Ear Drops Major
EAR DROPS- carbamide peroxide 6.5% liquid
Amazon.com: Ear Drops Earwax Removal Aid Carbamide Peroxide 6.5% Generic for Debrox - 0.5 oz. (15 ml) Per Bottle Pack of 2 Total 1 oz. : Health & Household