Old makeup can come in handy in multiple ways. First up, Opt for recycling programs like Mac offers a 'Back to Mac'. If you return 6 empty Mac products, you get one new product in return for free. Instead of throwing it away, you can clean up the brush of a dried out mascara and utilize it as an eyebrow brush. And last, an old lipstick or a lipstick shade that isn’t appealing enough can be transformed into a lip balm for chapped lips by mixing it with petroleum jelly.