Step 1: Clean 'Em Up!

To avoid staining or yellowing, you should change your polish at least every two weeks -- any longer, and you could be weakening your nail beds! Using Essie's Nail Polish Remover ($6), saturate some cotton balls and rub in tiny circles to loosen and remove the polish. If you rub in big circles, you'll just spread the polish all over your skin, blegh! Keep ELF's Nail Pads ($1) in your cosmetic bag for on the go emergencies!

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