1. Power and heat
Imagine if you have a very crumpled shirt you need to iron, you will adjust the heat setting of your iron higher, but you won’t go higher than the recommended setting for the fabric the shirt is made of. It’s the same with hair; the curlier it is, the more heat you need.
So you have to check the flat iron you’re buying. Does it have enough power to go up to the heat needed?
Here are the recommended temperatures for different textures of hair:
- Fine hair; bleached, fragile or damaged hair – Below 360F/180C
- Normal hair – 360-380F/180-190C
- Coarse hair; Thick, curly or ethnic hair – 380-410F/190-210C
But what do you do if you’re sharing the flat iron with your sister? Get a flat iron with temperature control!
Temperature Control
Some flat irons come with temperature control where you can adjust the temperature as you like, but some come with fixed temperature. Adjustable temperature is great for sharing the flat iron among others who have different hair texture.
2. Ceramic or tourmaline?
All professional flat irons now have ceramic plates. Only the cheap flat irons have aluminum plates coated with paint to make it look ceramic.
Ceramic plates heat up fast and have constant heat to minimize damage to hair. Because the hard ceramic coatings are baked, the surface doesn’t wear off easily and won’t snag your hair.
Some flat irons infused tourmaline with ceramic to release negative ions which will eliminate frizz and smoothing out your hair. Of course, these come with a higher price tag.
For coarse and very curly or stubborn hair, ceramic plates with tourmaline technology will produce a much better result.
3. Plate Size
Plate size means the width of the plates where heat is released directly to your hair. Below is a table where you can check which plate size is suitable for your hair. Shorter hair will need narrower plates while wider plates work faster on longer and thicker hair.
| Texture |
Hair Length |
Recommended Plate Size |
| Very coarse, thick, curly |
Long (below shoulder) |
1.5 to 3 inch |
| Very coarse, thick, curly |
Medium |
1.5 to 2 inch |
| Very coarse, thick, curly |
Short |
1.25 inch |
| Normal |
Long |
1.25 to 2 inch |
| Normal |
Medium |
1 to 1.5 inch |
| Normal |
Short |
1 or 1.25 inch |
| Fine, thin hair |
Any length |
1 to 1.5 inch |
 1-inch flat iron |
 1.25-inch flat iron |
 1.5-inch flat iron |
 2-inch flat iron |
4. Weight
Many people tell me that the difference between 1 pound and 1.5 pounds didn’t seem that big when they bought their flat irons, but after straightening hair section by section for half an hour, they wished they bought the lighter one.
If your hair is short and/or thin, a heavier iron shouldn’t be a burden; but if you have thick and/or long hair, definitely get a lightweight iron.
There are a couple of really lightweight flat irons out there weighing only about 10 ounces, like the Solia Professional Ceramic Flat Iron. Most of the others weigh around 1 to 2 pounds.
5. Price
To choose the best flat iron straightener, while price may be a good indicator of quality, it is not the ultimate pointer. Some of the users who’ve tried both cheap and expensive flat irons have claimed that their cheaper flat irons are better. Unless your budget is really tight, get a flat iron that costs $75 or above; that will have professional quality. The rest will depend on its features.
6. Brand and features
Unless you are a beginner or don’t plan to put much use to your flat iron, you should always pick a professional flat iron over a drugstore brand. Although it will cost more – above $75 – you will probably be glad that it lasts longer and produces more quality results.
Here are some features that you will be pleased to have with your flat iron:
1) Ergonomic design
- Much easier to grip and maneuver with when styling hair.
2) 360-degree swivel cord
- Doesn’t tangle up too easily when you work with your hair. You will hate to fight with the cord when in a hurry, I assure you.
3) Safe handles
- The handle part of the flat iron shouldn’t be hot while you iron your hair, or you will burn your hand! Most flat irons are safe to grip with one hand, but some people prefer to use both hands while using the flat iron. If you are one of them, you should find one which outer parts of the plates don’t get hot.
4) Auto shut-off
- Safety feature in case you leave your flat iron idle for too long.
5) Fast heating
- Heats up in a blink to let you get to work fast!
6) Slightly curved plate edges
- You can also create curls and waves with this kind of flat iron.
7) Warranty
- Most flat irons come with one year limited warranty, but check to make sure it does.
8 ) Wet to Dry
- Some flat irons can work on damp (just toweled-dry) hair or dry hair. This is because of steam vents on the flat iron that will release the excess moisture. This feature can save you quite a bit of time.
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