Straighteners work because they have flat plates that get hot and touch together on either side of your hair. By doing that, they put heat through your hair follicles, trap in moisture and take out frizz. The plates on a flat iron can be made of several different materials, and they’re good for different uses. The best iron for you varies depending on the type of hair you have, the type of styling you want to do, and the amount of heat your hair needs.

Which GHD straightener is best?


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Any ghd hair straightener will have ceramic plates. These ceramic plates heat up to the optimal hair styling temperature without causing excess damage to the hair. Ceramic also heats up very quickly, and the ghd straighteners take only 30 seconds to be ready to use. The floating plates allow for extra control while styling. Ceramic is also a very smooth surface, which gives the ghd hair straightener its signature glide. It also stops hair from catching on the plates and being pulled out.
Sephora’s best-selling hair straightener and flat iron list is dominated by styling tools from big hitter GHD. The crème de la crème on the beauty retailer’s list is GHD’s Platinum+ Professional Performance 1” Styler. The flat iron operates at 365-degrees Fahrenheit, which the brand considers “the optimum styling temperature for even healthier hair,” has a 20-second heat-up time, and a heat-resistant plate guard to protect your furniture and other surfaces. While the price point is definitely on the higher side, GHD’s hair straightener uses predictive technology that adapts to your hair’s individual texture and needs, promising you a unique — and worth it — hair-styling experience.
The dual-zone technology is another feature incorporated in ghd flat irons. In particular, the flat irons integrate heat sensors on each plate. These sensors control the styling temperature from the root to the tip. In turn, you do not have to deal with hot or cold zones. As a result, you can expect the straighteners to adapt to different types of hair and adjust the heat depending on the hair type to help you achieve desirable results.
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Count on Kristin Ess to bless us with high-performance hair tools that are super affordable and good lookin', too. Crafted from two titanium plates to deliver heat fast and evenly, Ess's flatiron reaches temperatures up to 440 degrees, has shine-boosting technology, and shuts off automatically. So you can forget ever having to wonder if your flatiron is still on after you've left the house.

Can GHDs lose their heat?


One of the biggest problems you will face when using a heated hair styling tool is overheating. We’ve all been there: you’re casually straightening your hair when a particularly funny scene comes up on the show you have playing in the background. After a solid minute or two of laughter, you realize (in utter horror!) that your poor hair has been sandwiched in between a couple of hot plates the entire time.

How do you know if you need a new straightener?


Lots of comments leave photographs of their voluminous hairdos in their reviews, as proof of this flat iron’s hair-raising power. This ringing endorsement more or less sums up Voloom’s appeal: “I really think that the inventor of this miracle tool should be made a saint, or have a town square named after them. If you have to sell your first born to purchase this device, do it.”
With a maximum temperature of 450° F, the BaByliss Pro Nano Titanium Straightening Iron can really pack a punch despite its otherwise small frame. One thing to note though: these heat settings are not pre-set like the CHI G2 hair straightener we also reviewed, and you will need to play around with them to find the right temperature for your hair. This shouldn’t be a problem if you have a Saturday afternoon or two to kill, but may not be ideal for users that are looking for a flat iron with pre-recorded settings.

Think of this as an updated version of your regular hairbrush. Its double negative ion technology gives your hair that glass-like shine without any static whatsoever. Its ceramic bristles with nylon cool-tips help keep damage to a minimum by releasing far-infrared heat — in a mere moment, it penetrates the outer layer of the hair cuticle and heats it from the inside out.

Copper is famously known for being an even heat conductor (just ask any cook), which is why it makes for the perfect plates on a flat iron. And fewer strokes over each section results in less heat damage. Bonus: The detachable comb also smooths and distributes your coarse hair evenly over the plates, so you’re left with stick-straight hair on the first pass.

Original GHD IV Styler - The most affordable straightener in the GHD range, the Original IV was where it all began. More than just a no-frills styling tool, this straightener includes a range of functions that are typical of GHD products, such as ceramic plates, universal voltage, sleep mode, and the rounded barrel. So while it's definitely a notch down from the Platinum or Gold versions, it's still superior to most of the straighteners you'll find in high street beauty stores.


A lot of people don’t know there are tons of ways you can style your hair with a flat iron, and this actually might help you decide what size iron to get. You can curl, wave, straighten, add body, twist and more – just with a flat iron! Your straightener is so versatile you can skip most other styling tools and save money by investing in one that will do all of this for you. I walk you through different options for styling with your flat iron so you get the hairdo you want.
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