Are the latest beauty and wellness products worthy of a spot in your teensy carry-on? T+L Associate Editor Kathryn O’Shea-Evans shares her take.

Pros: So easy. I just placed a strip on my upper teeth and in 10 minutes my smile looked brighter. Because they dissolve (no messy trays, no drooling!) I'll definitely use them on planes, trains, and automobiles so I arrive looking my best.

Cons: Mine didn't dissolve completely, so I had to brush my teeth afterward. A small price to pay for beauty!

Verdict: Packable.

Kathryn O'Shea-Evans is an associate editor at Travel + Leisure.