We review the most Powerful Travel Hair Dryers as we travel the world. Testing on a long and thick haired woman in dozens of countries, we have found great picks – light, powerful, tiny and easy to use. For those of us who can’t go anywhere without our little hair smoothing and straightening devices, here’s our guide to the most compact, powerful and dual voltage hair dryers. We’ve checked out Babyliss Pro, Jinri, Conair and a few others. If you want to look polished when you travel, these are our top blower dryer picks!