What happens next?

How to clean oval makeup brushes 
Wet your brush with warm water. 
Only wet the bristles of the brush. Avoid getting water into the area where the brush handle meets the head.

OPT: 1. Toothpaste is a safe and cheap cleaner on oval makeup brushes. Splash warm water on a cotton ball and dab the scrub over the brushes.. 2. Make sure that you only wet the brush head where the brush switch sits. For example, you could wet the bristles of your brush for stirring purposes.. 3. This can loosen the glue that holds the bristles to the brush. Try dipping the bristles in a bowl of warm water to make sure that you don't soak the handle.. 4. Drip the water over the brush handle slowly, paying particular attention to areas that have excessive moisture. If your brush handle is excessively wet or you are trying to clean a lot of makeup, it is really time to blow dry the bristles or run a blow dryer over them..
3.