Beauty Sin: Using dirty makeup applicators

Alright, so now that you are diligently checking the labels on all your makeup products for known acne instigators, you need to think about the actual brushes, sponges, and other applicators you use to apply your non-comedogenic makeup.

King points out that your makeup tools are crawling with bacteria and dead skin cells, making them absolute zit factories. Remember to only use a makeup sponge once and clean your brushes once a week with a brush cleanser or shampoo. This will keep them germ free -- and your skin clear.