Whitening strips are a pretty easy and effective way to whiten your teeth. But if you cant get past the taste or dont like the way they feel in your mouth, weve found some alternatives for a sparkling smile. Glo Solo G-Vial Whitening Gels($45, gloscience.com) If you want amazing results with minimal effort, try Glo Solo. The single-use vials contain a whitening gel and a built-in brush tip just squeeze and brush onto your teeth for 30 seconds, morning and night. In just three days, youll see a difference.