8. Make Over Your Makeup Routine
Bacteria can thrive in mascara, so toss the tube after three months. Also, sharpen liner pencils regularly. It’s okay, of course, to line the base of your lashes, but “putting liner inside the lash line can block the oil glands, which protect your eyes’ surface,” says Ruth D. Williams, M.D., a former president of the American Academy of Ophthalmology.