While not "medicine," many people reach for Q-tips. Do not do this. Swabs usually push the wax deeper against the eardrum, creating a harder-to-remove "impact." They also strip the ear of its natural protective oils.
— Disclaimer: Not medical advice. Individual needs vary; consult a healthcare professional if symptoms are severe or persistent.
This is the most common active ingredient found in kits like Debrox and Murine Ear. It works by releasing oxygen to foam up and soften hardened wax.