This iron claims to heat up in 15 seconds; it also claims to use some bullshit technology that allows it to "self adjust" temperature according to hair type. Well it got warm but it sure as hell didn't heat up enough to seriously straighten or curl my hair in a mere 15 seconds--in fact, I found that it didn't ever straighten my hair enough to satisfy me.
Achieve seductive soft movement: Mist hair with ghd heat protect spray. Section the hair and lightly mist with a curl hold spray to add shine and hold when styling. Place a fine section of hair between the plates of your ghd Gold Styler vertically 1 inch away from the root. Gently close the styler with minimum tension. Turn the styler clockwise by 90 degrees. For a soft curl, pull the styler quickly through the hair away from the head in one continuous smooth movement. An s-shaped vertical curl is created. To complete the style, repeat through all sections. Finally, separate and brush out the curls with a wide-tooth comb.
Like all ghds, the IV heats to 185 degrees, which is perfect for creating a poker straight finish, glamorous curls or beachy waves. The floating aluminium plates make the styler easier to hold and control, while also ensuring those tell-tale dents in the hair are a thing of the past. Other features of the IV Styler include a 2.7 metre cable, an automatic shut down after 30 minutes, and universal voltage.

I purchased this ghd after a hairdresser friend used hers on my hair. I couldn't believe how well it worked so I purchased the same model. I have curly frizzy hair and this straightener actually makes my hair shiny and even holds my hair straight if my hair gets wet in the rain. I use a hair straightening treatment on my hair before I use the ghd as you should with any straightener and this keeps my hair from becoming brittle. I have lovely comments about my hair since using it. It feels very soft and is healthy. I can adjust the heat setting so it does not get too hot. It is very quick to heat up and beeps when it is ready unlike others I have tried .It is so simple and quick to use. Because it is the wider ghd I can do my hair in less than five minutes. I have long hair past my shoulders. Very happy with this one.
For curling, place a section of hair between the plates closest to the scalp, clamp the plates, and turn styler through 180 degrees while holding the end of the strand. Pull styler through the hair slowly, always maintaining the 180 degree turn--it helps to slightly tip the nose of the styler downward, careful not to let the hair fall out. It also helps to pull the strand forward when trying to curl hair at the back of the head.
I gave it three sticks because my hair did eventually get straight and at no point did I feel like it harmed my hair, but it's not even adjustable because again, the company claims that this iron auto-adjusts according to hair "conductivity" or some bullshit like that (this is a laughable claim). It does have auto-shut off but so do a lot of irons (or at least the high end ones). Honestly, I can only conclude that this is another one of those hyped up beauty products aimed at people who think more $$$= better product and performance but a straightener is a straightener so once you get past the $100 price point it all comes down to personal preference and there's really not much more you're gonna get for your money...
To achieve stunning curls: Mist hair with GHD Heat Protect Spray (sold separately). Section the hair and lightly mist with a Curl Hold Spray (sold separately) to add shine and hold when styling. Place a fine section of hair between the plates of your GHD Professional Styler vertically one inch away from the root. Gently close the styler with minimum tension. Turn the styler clockwise by 90 degrees. For an intense stunning curl, continue to turn the styler by another 90 degrees as you glide from root to end; pull the styler very slowly away from the head in a continuous smooth movement. For a softer curl, pull the styler quickly through the hair away from the head in one continuous smooth movement. An S-shaped vertical curl is created. To complete the style, repeat through all sections. Finally, separate and brush out the curls with your fingers for more extreme curls, or with a wide-tooth comb for soft, loose waves.
Improved Ergonomics: If you compare the new ghd Gold to the now-dated V Gold Styler, you’ll notice one of the biggest improvements lies in its look and feel. The modern design means this product will look gorgeous sitting atop your bathroom counter, and the rounded barrel assists with preventing snags and speeding up your styling time. The swivel cord has also been upgraded to enhance your overall experience, letting you worry more about how your hair looks and less about twisting and turning to find the right angle (we’ve all done it).
To have straight hair, you just mist your hair with the GHD thermal protector. You then start at the part of the hair that’s closest to the roots, and then you glide the GHD Classic 1-inch Styler to the tips in one smooth stroke. You can also follow the easy directions for soft movement and for curls, which involve some turning while you glide from root to end. 
Top stylists, models and celebrities alike can’t live without their ghds, so you know you’re in good company when you add to your collection. Whether using your ghd styler to tame frizz for a day at your desk, or to curl locks for a night out on the town, ghd not only allows you to straighten your hair, but also twist, curl, flick, wave and bounce too. With ghd, the possibilities are endless.

The ghd Gold Classic Styler has smoother, golden plates for straighter, sleeker hair, or more voluptuous curls and styling. The ghd Gold Classic Styler has a sleeker design and an improved outer body so that it stays cooler to the touch and is lighter to handle. Gold glimmers through the smooth black plates, which are even more contoured so that they slide through the hair and achieve a high-gloss result. A protective heat guard is included to protect surfaces, and a protective plate guard to protect the plates when you need to transport the Styler. For even more peace of mind, the ghd Gold Classic Styler automatically switches off if not used for 30 minutes.

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Delivering high pressure air flow for super-fast drying while advanced ionic technology reduces frizz and flyways to give a smooth salon-style finish in half the time*. The ghd hair dryer was designed by professionals for professional and offers you the best hair drying experience at home. Variable power and temperature controls, plus the choice of two nozzles, allow you to tailor your blow-dry to your hair type, while a cool shot button.
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