No. 8: Doing straight up nasty stuff Estheticians come across plenty of small quirks they wish they could stop. "People who lick their eyeliner before applying -- it is revolting," King says. "You're putting the one area of your body with most bacteria on a crayon and then applying it to your eye."
Other pet peeves, says King? Pumping mascara (you're just pumping bacteria into the tube, she says), not washing your makeup brushes, and listening to old wives tales like putting toothpaste on zits.
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