Cotton swabs might help cleanse the surface in the ear. Just ensure to not insert them to the ear canal. Audiologists are medical professionals who specialise in Listening to and stability Ailments. They have got doctoral levels in audiology (an AuD) and so are accredited by their condition audiology board. https://www.google.com/maps/d/edit?mid=1gPUFtebIeuhtb0rxYnKRFzL6l65A2io&usp=sharing