To minimize bacteria growth and keep your makeup brushes alive for longer, you should clean them about once a week. Instead of paying $32 for a makeup brush cleaning mat, use a paper plate and hot glue to get (basically) the same results.
How to Keep Your Makeup Tools Squeaky Clean
Follow his advice to keep them sanitary! This will keep your skin clear and help your tools last longer.
Makeup brush cleaner. This really is a great way to clean your brushes. I did this with mine and they feel soft and like new. I love this! :):
Homemade Natural Makeup Brush Cleaner
A simple, natural, and affordable makeup brush cleaner! This brush cleaner can be used daily or weekly to clean makeup brushes and break the cycle of bacteria and breakouts. http://livesimply.me/2015/06/21/homemade-natural-makeup-brush-cleaner/