Use preventatively once a week if you are prone to wax buildup, or as a 5-day treatment course for impaction, provided there is no pain or perforation.
However, it is not a "flushing" agent. It works by lubricating and breaking down hardened wax, allowing it to exit the ear canal naturally or making it easier for a medical professional to remove.
Sudden loss of hearing requires professional diagnosis.
Don’t expect instant gratification. After a few days of treatment, the wax will usually soften and migrate to the outer ear on its own—often while you sleep. You might wake up to a small, dark crumb on your pillow or ear flap.