Tourmaline? Negative ions? Hair dryers get all sciency

Today's blow dryers, like the top-rated Revlon RV544 Tourmaline Ionic, promise softer, shiner, healthier hair using features like "ceramic," "ionic," or "tourmaline," but critics are unsure whether these features actually make for a better dryer or not. The upshot? There's just no hard science behind whether these features actually make a big difference. Even so, reviewers and users do say these hair dryers work better than ordinary dryers, despite their weak scientific backing. Read about more fancy-schmancy (but not necessarily expensive) dryers in our updated hair dryer report.