Contact GHD asap. That's how I knew something was off with my straightener. The first time it happened the same thing to me, I turned it off, removed from the plug and waited and tried to turn it on again but I still get the red light flashing on and off. I tried doing it for a few times but still had the same issue so I contacted GHD and they replaced my straightener but after a few months it happened again. It sucks because for the price we pay for these straighteners we expect quality but unfortunately it isn't the case with these products.

Easy-to-use and safer for strands, the ghd Classic 1" Inch Styler with ceramic heat technology operates at the optimum 365°F styling temperature for smooth, no-frizz styling. It delivers professional, long-lasting results, sealing the cuticle for a glossy finish that looks salon-done and stays flawless all day. Designed for utmost styling flexibility, the versatile one-inch round barrel makes it easy to straighten, curl, or wave all hair types and lengths. It heats up in 30 seconds and works fast so you can effortlessly create everyday styles in a snap, while the smooth-contoured floating plates glide through strands without snagging or pulling.
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. 
* * * Update: After returning the above-described item, I bought a ghd Classic Styler in-person from one of their authorized salon dealers (info at ghd's site). When I went to register the hologram and date codes, the ghd site accepted them on the first try. Also, the second unit I bought HAD country-of-manufacture information on the box and on the date sticker (made in China, which some other comments said isn't legit, that seems to be wrong). My unit labeled made-in-China is the one that registered successfully with ghd. Also my second purchase - from the authorized dealer - had a lot of information printed on the bottom of the box, including a bar code, web info, consumer information phone number, design info and information about the product. The unit I purchased from Amazon had NO printing on the bottom of the otherwise authentic-looking box. Draw your own conclusions. Bottom-line: if you buy a ghd styler here, double and triple-check that your unit is for real.

GHD Classic Styler, from the name itself, you can deduce that this simple yet versatile device was made to style and straighten. Armed with a rounded barrel and advanced ceramic heaters, you can curl, flip, tease, wave, and straighten any hair type and texture easily without damaging your hair’s external surface. The infra-red heat technology infused within the plates also releases more negative ions than other products so your hair’s natural oils and luster are retained despite repeated exposure to maximum heat.

Choose from the ghd hair straightener range to complete your kit of styling essentials. From waves and curls, to flicks and poker-straight hair, create a look that's stylish, effortless and professional with our ghd straighteners. The range of ghd hair straighteners will help you to create a multitude of hairstyles, producing shape and movement in each styling session.
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...
As mentioned earlier, the GHD classic Styler uses ceramic plates which heat up faster than other materials but it doesn’t emit negative ions like tourmaline flat irons, which doesn’t only straighten hairs smoothly but also makes dry and damaged hairs healthy by counteracting with positive ions. So, in terms of professional use and/or greatest results, GHD classic styler can’t be recommended. That is my personal opinion as an author. As an alternative, I can recommend you to read CHI Air hair iron review, it is tourmaline ceramic, and thus little more in price in comparison to classic styler.
So the real question isn’t about whether people think that the GHD Classic 1-inch Styler is great. There’s virtually a universal consensus that it is. The question is about the reputation of the seller from which you are contemplating buying the GHD Classic 1-inch Styler. There are actually legitimate sellers who offer significant discounts, but they’re not easy to find. 
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