Researchers looked at used lipsticks, lip glosses, mascaras, eyeliners, and makeup sponges and found an alarming amount of Staphylococcus aureus, E. coli, and Citrobacter freundii. In fact, between 70 – 90% of the products tested were crawling with microbes. These bacteria can cause skin infections, urinary tract infections, and food poisoning. What Level Of Contamination…