When it comes to your teeth, LocalFlavor knows that eggshell white is the ideal, which makes today's deal eggspecially helpful. For $20, get a two-pack of RX strength whitening pens. Offering professional results right in your own home, the whitening gel pens brighten your teeth up to 10 shades whiter and will show results after just one use. The FDA-registered product is made in the U.S. with ingredients such as peppermint essential oil, which creates a refreshing peppermint flavor. Each convenient and easy-to-use pen contains 30 applications. The two-pack set will last you for one month.