Most hair dryer brushes are cylindrical in shape and have 360 degrees of bristles, as round styling brushes do. They are designed to replace the pairing of a traditional hair dryer with a separate brush.
Hair dryer brushes like the Revlon One-Step Hair Dryer and Volumizer circulate heated air from within, through holes between the bristles. (Patents can give you a great idea of how something is supposed to work but are not necessarily fact-checked for scientific accuracy.) The person who holds that patent also has one for a device that diagnoses “body deficiencies” (the patent is not specific, but it does say you treat them with drugs) by measuring a person’s electromagnetic field. Her exact words were: “I believe in tourmaline.” We read- in a patent-that heated tourmaline can emit electromagnetic radiation that can alter the structure of your hair. Rebecca Kazin told us that she looked for tourmaline in a hair dryer but that there were no clinical studies on its being better for hair. The mineral is very pretty, but as Shapiro said: “Tourmaline? Please, squared.” It’s impossible to see the tourmaline because it’s ground up and in the barrel of the dryer, and it doesn’t have to be present in large amounts to be advertised on the box: Patents for gemstone dryers that we read involve a slew of minerals that manufacturers use to coat the inside of the dryer. Even a piddly little wall-mounted hair dryer in a hotel one tester stayed at while writing this guide claimed to have it. The bottom line is that most hair dryers have ceramic-coated elements anyway don’t let a box’s claims fool you into thinking you’re getting something special.Īnother material commonly found inside hair dryers is the mineral tourmaline, which is supposed to help reduce frizz. Regardless, you should move your dryer around as you do your hair, so the exact evenness of the heat coming from the dryer doesn’t matter too much. And though ceramic material does heat evenly, we couldn’t feel a difference in the heat coming from the dryers we tested with ceramic coils versus those made with other materials. Any heating element in a dryer gets the heat to your head via the blowing air. (Many space heaters also employ ceramic elements.) But the engineers we spoke to were skeptical that this component makes much of a difference in drying hair: Radiant heat isn’t really helpful “unless you expect to direct the heat far from the dryer,” said Shapiro, such as if you were trying to use a dryer to heat a room for some reason. Ceramic material does heat up faster and radiate heat more evenly than iron or nickel. All hair dryers work by heating up an element, such as a metal coil, and then blowing air over it, carrying the heat to your head. They provide “a more even heat” than other materials, according to Melissa Piliang. In our testing, a weight difference as small as two-tenths of a pound made a big difference in how a dryer felt overhead.Īs for other features, the dermatologists we interviewed recommended ceramic-coated coils.
How long depends on your outlet situation, but in our testing a minimum of 6 feet was most comfortable. Avoid the problem by going with a longer cord in the first place. But if your mirror is more than three steps from an outlet, there’s no way around choosing a dryer with a longer cord it’s unsafe to add an extension cord to a device that draws as large a wattage as a hair dryer. Many bathrooms have an outlet near enough to the mirror that a short cord doesn’t matter. Cord length: An often-overlooked but important feature is a cord that reaches from the outlet you want to plug your dryer into all the way to the spot where you want to stand to dry your hair.(Even if you don’t personally notice a difference, the cool air also feels nice when your head is hot.) And once your hair is totally dry, hitting the cool-shot button, according to many stylist opinions we read, helps seal your hair cuticle, keeping your hair feeling smoother. They mean you don’t have to keep blasting your hair on high-and incurring more damage-once it’s mostly dry. Heat settings: Multiple settings are a must-have.
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