Here’s how to properly clean 10 common beauty tools for your health and your best self. Another way to sterilize tweezers is by using boiling water.  Plastic and metal barrettes, headbands, and clips can be cleaned using the steps above. But you might also need to use a bit of rubbing alcohol on a cotton pad to remove hairspray residue. For fabric headbands and bows, follow label directions or spot clean with a gentle detergent and water. Allow the items to air dry. Then, spritz on a bit of spray starch or fabric sizing, and gently reshape with your fingers.