Carbamide peroxide 6.5%; otic soln. 5–10 drops in ear canal. Keep drops in ear several minutes. Use twice daily for up to 4 days. May irrigate with warm water.

Ear drops can contain various forms of hydrogen peroxide. A common type is carbamide hydroxide, which adds oxygen to the wax, causing it to bubble. This softens and helps to remove the buildup.

They are formulated using various ingredients like carbamide peroxide, hydrogen peroxide, saline solution, mineral oil, ...