You May Be Completely Misusing These 25 Beauty Products

3. Unclean Makeup Brushes: We spend a lot of money on makeup brushes to properly apply our makeup. states that unclean makeup brushes result in bacteria buildup on them. When you go to use those brushes, that bacteria goes into your pores and causes breakouts. To prevent this from happening, make sure you clean your brushes regularly. Makeup Artist Bobbi Brown told, “Brushes that are used around the eyes should be cleaned at least twice a month. All others can be washed once a month.”


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