Earwax elimination help. Drops. Carbamide peroxide (6.5 %) non usp.otc master's circle. No. 1 pharmacist recommended brand. Provides a safe, nonirritating technique of softening and eliminating earwax. Kit includes soft rubber bulb ear syringe and drops. When utilized as directed, debrox cleanses the ear with microfoam action supplying a safe, non-irritating technique of softening and eliminating earwax.