You may need to use a few cotton balls and cotton rounds to get all the wax and debris out. “The most important thing when cleaning your pet’s ears with ear solutions is thoroughly drying them ...
A registered veterinary nurse based in the UK has demonstrated how to properly clean a dog's ears in a step-by-step guide.
you'll likely see some brown or black ear wax on your cotton pad or wool. If necessary, such as if your dog's ears are "particularly gross", she says you can repeat the entire cleaning process.