How long does the makeup brush wash the cosmetic brushes cleaning?

How often do you wash your makeup brushes?

 Do you have the habit of cleaning makeup brush? In fact, many people still don't realize that makeup tools need to be cleaned regularly, otherwise they will easily produce bacteria or build up dirt. And when cleaning the cosmetic brush, it is necessary to follow the correct cleaning method. How often should the brushes makeup be cleaned? Do you have any precautions when cleaning the makeup brush? Let's get to know it!