Negative ions have been a longtime fan favorite in the hair care industry, and it is no surprise that this same technology would appear in our top picks for the best hair straightener. Negative ions have been found to reduce static and frizz while locking in moisture, and the same goes for your hair when you use the CHI Air Expert Classic Tourmaline Ceramic Flat Iron!
Nearly 21,000 people gave this flat iron a five-star review on Amazon. If they factored price into that rating, then I agree. For less than $60 it’s pretty spectacular, but it doesn’t beat the fancier ones in terms of performance. The temperature automatically drops after 15 minutes of use. And while it’s easy to adjust that, it is also slightly inconvenient.

Despite these downsides, the HSI Professional comes with plenty of positives, including extras not often found with other hair straighteners. Along with the straightener, you'll receive a carrying case, a heat-resistant glove for easier hair styling, a style guide, and a travel-size argan oil leave-in hair treatment serum to smooth and protect your hair. This is more than most high-end hair straighteners come with, all for a fraction of the price.
The ghd platinum+® styler gives you the perfect finish using ultra-zone with predictive technology that maintains a safer-for-hair heat from root to tip, reducing hair breakage* and increasing shine by 20%**. So now your hair can be stylish and healthy – all in one stroke. Alternatively, select the ghd max styler, which is the perfect straightener for long hair. With its cooler, lighter body and smoother plates it will glide through your hair to give you a salon finish every time.
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