Note-Do NOT do if you have PE tubes! I would also suggest half hydrogen peroxide and half water to prevent drying out the ear canal. Hot shower water also melts ear wax naturally. I clean ears for a living!
lemon essential oil is a highly irritant EO, and must be diluted. Garlic infused oil is safe and effective. This advice will cause chemical burns. "How To Apply Lemon Essential Oil and Lavender Essential Oil for Ear Ache"