1. Empty out your makeup bag, flip it inside out, and use makeup remover wipes to clean the inside. Augusta Falletta / Via BuzzFeed Or, if you have a cloth makeup bag, empty and flip it inside out, then stick it in the washing machine with your dark clothing. 2. Get all of the gunk off of your eyelash curler with a lighter. littlemisssmexy.com Read the full tutorial here. 3. Put your lipstick in the freezer overnight to kill germs and bacteria. Amal Khan / Via instructables.com The next morning, let it come back to a room temperature before applying to your lips. See the entire tutorial here. 4. Or, go over your lipstick with a cosmetic sanitizer wipe. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Beautylish / Via beautylish.com See the entire tutorial here. You can get cosmetic sanitizer wipes here. 5. Mix baby shampoo and hydrogen peroxide with water. Unclip the brush from your Clarisonic, and let it sit brush-side down in the water for 15 minutes. Olya / Via theate-olya.blogspot.com See the full tutorial here. 6. Use isopropyl alcohol and a disposable mascara wand to clean glue off of false eyelashes. Makeup Lovers Unite / Via makeuploversunite.com That way, you'll get more than one wear out of them. 7. Pour alcohol into a small spray bottle, then spritz any pressed powder cosmetics you have to disinfect them. Blushing Basics / Via blushingbasics.com Here are the details. 8. Use a cotton pad and isopropyl alcohol to disinfect your disposable razor. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF youtube.com Here's the full video. 9. Swirl your makeup brushes in a DIY mixture of dish soap and olive oil for a like-new feel. Pretty Gossip / Via prettygossip.com Here's the full tutorial. 10. Use solid or liquid soap on your sponges at least once a week to keep them bacteria-free. Beautylish / Via beautylish.com Here's the complete guide. 11. Clean out your pencil sharpener with some isopropyl alcohol and a cotton swab. Beautylish / Via beautylish.com You can read the entire tutorial here. 12. Use alcohol and a cotton swab to disinfect all of your metal nail tools. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF youtube.com Scissors, metal files, cuticle nippers, anything. Make sure to clean them regularly to avoid infection. Steer clear of sharing nail tools with others, too. 13. Get rid of scum on your loofah by tossing it in the washing machine — but not the dryer. Moda Mob / Via modamob.com Here are the details. 14. Use an old toothbrush to get rid of the dust in the back of your blow dryer. Snappy Living / Via snappyliving.com Just make sure you pop off the grill before you start cleaning. See the full tutorial here. 15. Loosen hair stuck your brush with a pen, then go in with scissors to cut through and release the rest of the hair. thebeautydepartment.com When you're done getting all of that hair out, use some shampoo on your brush to really make it clean. 16. Grab a piece of steel wool and get all of that old gunk off of your curling iron. Adventures of a DIY mom. / Via adventuresofadiymom.com Only use steel wool without soap, though. You can do the same with a flat iron. See the complete tutorial here. 17. And lastly, know when it's time to throw away the products in your makeup bag. Jenny Chang / Via BuzzFeed Here are more details on when to throw away everything in your makeup bag.