Fig. 1
From: Evaluation of the safety and efficacy of a novel product for the removal of impacted human cerumen
Cerumen blockage symptoms before and after application with the cerumen-removal product. Pre-application, n = 30 ears. Post-application, n = 28 ears. Significant improvements were observed after application for decreased hearing (P = 0.0209), tinnitus (P = 0.0027), feelings of fullness (P = 0.0325), and ear itching (P = 0.0209)