For undereye bags and inflammation, caffeine, peptides and hyaluronic acid can be soothing, Mattioli says. “Dark circles can be due to visible veins or actual discoloration common in darker skin tones,” she says. “Look for brightening ingredients like vitamin C, kojic acid and niacinamide.” Insider tip: Steer clear of strong retinols (which can sting and create redness) and fragrance, to avoid any eye irritation.
Xtava’s two inch-wide plates are massive, making them perfect for people with thick or coarse hair. Aside from the plates, everything else about this flat iron is fairly standard. You can use it at a temperature range in between 265 and 445 degrees Fahrenheit, the plates are made with tourmaline and ceramic, and it takes less than two minutes for the tool to fully heat.
Nearly 33,000 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.
Gisele uses this flatiron. Need we say more? OK, maybe a little bit: From the same hairstylist whose blow-dryer launch nearly broke the Internet, this green-plated flatiron is equally as buzzworthy. It has plates that are larger than most other irons (meaning fewer passes) and rounded edges that prevent snagging or pulling. And because it shuts off automatically after an hour, it's ideal for those of us who constantly forget to unplug our flatiron before running out the door. 

Serums are packed with turbo-charged ingredients designed to penetrate skin in ways everyday moisturizers simply can’t—and their price tag often reflects this fact (as I’m sure you’ve noticed). For some people, these uber-products are definitely worth the investment: they come with a host of benefits, like smoothing fine lines, increasing firmness, speeding cell turnover, boosting brightness, and correcting discoloration. The catch, though, is that they won’t work as well if you use them incorrectly. 

The ghd Max Styler from ghd has great 5* reviews on lookfantastic; making it one of our all-time best hair straighteners. The larger plates on the styler make it ideal for thicker and curlier hair which needs extra heat to fully smooth the fibres. The contoured edges and wider plates also help create beautifully loose curls and waves; making it a great multi-tasking styler should you want a product which does more than straighten your hair.

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.
Most of the hair straighteners we reviewed heat up in under a minute, but the Cloud Nine Original Flat Iron has to be one of the fastest on the market! In as little as 20 seconds, this hair straightener transforms from cool to hot, hot, hot! With this model, there is no need to wait around for your hair straightener to warm up, which means you spend less time getting ready in the morning and more time getting on with your day.
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