For heavy wax buildup, go for cerumenolytic drops that contain carbamide peroxide or hydrogen peroxide. Safety and quality: ...

Personally, I've experienced the most success with a water and hydrogen peroxide mixture ... the Cleveland Clinic as at-home methods for ear wax removal. The oils should be used in moderation ...

Youn said that high concentrations of hydrogen peroxide can cause skin irritations and blistering. He suggested buying an over-the-counter earwax removal kit instead. Ear drops made with carbamide ...

The active ingredients tend to be hydrogen peroxide ... a pressurised flow of water into the ear canal to dislodge the wax. However, although this may remove the wax, it can sometimes be painful ...