What is the Best Flat Iron for Fine Hair in 2018?

Fine hair should be easier to style, there’s less of it and it’s more maneuverable than thicker, unmanageable hair you often see out of control in the more humid months. But keeping the style in the hair is another matter as the strands are so fine and light, they move around too easily and drop out of place. Too much heat can make the hair become dry, start to burn or even break. And products like hair styling lacquers or volumizing mousses can weigh down your finer strands of hair.

A flat iron is one of the most versatile heated hair styling tools that can add volume and curls or create a simple sleek and straight style, even for fine hair. Fortunately there are many flat irons specifically meant for fine, curly hair, which if used right can add shine and bounce to otherwise flat lifeless fine hair without damaging the hair itself. Lower heats are great, but a flat iron that allows you to get the hair done quickly in just a few swipes can be ideal, causing even less damage to the hair and creating a fuss-free style in a hurry.

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Our #1 Rated
Flat Iron Hair Straightener

HSI

Flat Iron Hair Straightener

5 out of 5

In the Flat Iron for Fine Hair category

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  • STRAIGHTENS, FLIPS & CURLS: The HSI Professional Glider creates dramatic results on even the frizziest coarsest hair; to...
  • MICRO SENSORS PREVENT FUTURE HAIR DAMAGE: High quality ceramic plates use 8 HeatBalance micro-sensors to regulate the...
  • CERAMIC & CRYSTALS TO CREATE SILKY RESULTS: The Glider's plates are designed with ceramic and tourmaline crystal ion plates...
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Our #1 Rated

5 out of 5

In the Flat Iron for Fine Hair category


Our #2 Rated
Onepass Straightening Iron

BIO IONIC

Onepass Straightening Iron

4 out of 5

In the Flat Iron for Fine Hair category

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  • BioCeramic 5 second heaters
  • Instant heat, up to 400 DegreeF & instant recovery
  • 5 year warranty
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Our #2 Rated

4 out of 5

In the Flat Iron for Fine Hair category


Our #3 Rated
Ultra-Thin Straightening Iron

BaBylissPRO

Ultra-Thin Straightening Iron

4 out of 5

In the Flat Iron for Fine Hair category

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  • Ultra-smooth titanium plates conduct ultra-high heat and resist corrosion
  • Ceramic heater instant heat & recovery
  • 5" extended plates for faster straightening
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Our #3 Rated

4 out of 5

In the Flat Iron for Fine Hair category


Our #4 Rated
Professional Straight Iron

RUSK

Professional Straight Iron

4 out of 5

In the Flat Iron for Fine Hair category

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  • Delivers ultimate heat and unprecedented performance results
  • For clients with hair of any length who want to eliminate frizz, curls, cowlicks or kinks
  • Leaves hair straight, smooth and shiny and in optimal condition
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Our #4 Rated

4 out of 5

In the Flat Iron for Fine Hair category


Choosing a Flat Iron for Fine Hair

In the past, flat irons have had a bad reputation for causing heat damage, resulting in frizzy or dry hair and sometimes breakages or thinning hair. This can be particularly true for those of us with finer stands. Our hair may already be fine, the last thing we want is less of it!

There are now dozens of flat irons available that are safe for use on the finest of hair yet powerful enough to straighten the worst of frizz. New technologies like ionic flat irons, infrared heat or tourmaline ceramic plates have opened up a whole new way of using flat irons to achieve the best styles. The best flat iron for fine hair should make your hair smooth, straight and stylish while making it silky and soft without any frizz or damage.

Different Types of Flat Irons for Fine Hair

Perhaps the most important thing to look for when choosing the best flat iron and what makes each iron so different is the material the plates are made of.

Ceramic Heat Plates

In the past, nearly all hot flat irons used metal plates which could heat up very quickly but were more likely to burn your hair. The ceramic plates used on many of today’s flat irons still heat up quickly yet maintain and distribute an even heat for styling; ideal for fine hair. Ceramic is one of the least expensive type of heating plates and features in the majority of home heat styling products. Although, you should be careful to choose a flat iron that has full ceramic plates, rather than just ceramic coated which may not last as long.

Ceramic Tourmaline Plates

These flat irons use a fine powder coating of tourmaline on ceramic plates for more frizz control and shine. Tourmaline is a semi-precious mineral that produces a high quantity of negative ions which neutralize the positive ions of dry hair ensuring your hair is smooth and frizz free. Tourmaline flat irons are safer for fragile or fine hair as you don’t have to use as much heat and the ions prevent the hair from sticking to the plates for too long and burning.

Titanium Plates

Titanium plated flat irons have the best heat transfer and are the choice of many professional stylists and salons. The metal titanium has high heat conduction properties that respond quicker to temperature changes resulting in a flat iron with improved temperature control. The ionic capacity tends to be greater than ceramic’s, it works faster and is considerably lighter in weight than in ceramic or tourmaline plates. Often more expensive, however, a titanium flat iron will last much longer and give the added bonus of healthier hair in the long term.

It’s All About the Ions

Ionic technology is used by many heated styling tools, including flat irons, to protect the hair and prevent damage from split ends or frizz. Your hair is full of positively charged ions due to it’s high water content. The negative ions emitted by ceramic, tourmaline or titanium plates neutralize the positive ions to cut down on your hair’s natural resistance as you style and prevent frizz or split ends. It not only speeds up the styling process but also reduces the heat you need to use.

Temperature Control on the Best Flat Iron for Fine Hair

Although many cheaper flat irons used to come with no means to adjust the temperature, using a flat irons is definitely not ‘one temperature fits all’. Most flat irons with adjustable temperatures start at below 200 degrees and may go all the way to a scorching 450 degrees. It’s better with fine hair to start at a lower temperature and work your way up to higher temperatures being careful not to go above 300 degrees unless your hair is particularly curly or thicker in places.

Far infrared technology is used on some flat irons which heat the hair from the inside out to protect the exterior health of your hair strands. Other flat irons may use silicone strips or floating plates to cut down on the number of swipes needed. The fewer swipes you use the better, as this reduces the amount of time your hair is exposed to potentially damaging heat.

Other features you should consider is how easy is it to adjust the temperature, is there a digital display and does it have an automatic cut off? The size of the plates can be important too, with smaller plates having the ability to straighten more difficult to reach hairs like baby hair, the roots and curls behind your nape or ears. A narrower flat iron can also double up as a two-in-one styling device and is more suitable for creating tighter curls that last all day. Hair stylist Kelly Bileddo shows how you can create all-day curls in the following Youtube video:

What is the Best Flat Iron for Fine Hair

We’ve looked at many of the top-selling flat irons, paying special attention to how suitable they are for delicate and fragile fine hair. In our opinion, the five irons reviewed below are all contenders for the best flat iron for fine hair you can buy today.

Our #1 Rated
Our pick our #1 rated

HSI

Flat Iron Hair Straightener

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The HSI Professional Glider flat iron uses ceramic tourmaline plates that glide smoothly on your hair combined with infrared technology that enables it to heat up quickly. One of the widest ranges of temperatures we’ve seen on a flat iron, this one heats up to a maximum of 450 degrees with a very low bottom end of 140 degrees, suitable for the most delicate of fine hairs.

Adjusting the heat is very simple with a dial temperature control and the HSI glider automatically adjusts the temperature using chips on the plates that constantly measure the surface temperature. Floating plates with rounded edges make this an ideal tool for quick and beautiful curls, even for fine hair. Dual voltage, a 360-degree swivel cord, an included heat glove and argan oil leave-in conditioner make up a quality package at a very reasonable price. No wonder this model is preferred by many professional hair stylists.

Pros
Pro Salon-quality ceramic tourmaline gets hot very fast.
Pro Automatic temperature control with integrated chips on the plates.
Pro Wide range of temperatures down to 140 degrees
Pro for very delicate hair.
Pro Floating plates are good for flexible styling and curling.
Pro Infrared technology protects finer hair
Pro locking in moisture and heating from the inside out.
Pro Many useful extras
Pro dual voltage
Pro heat protective glove
Pro Argan oil conditioner and heat resistant travel pouch.
Cons
Con No digital display.
Con No automatic cut off; a very surprising omission.
Con Automatic temperature control isn’t always instant
Con can sometimes take a few seconds and no light to tell you when it’s ready to use.
 
 
 
 
 
 
 

Our #2 Rated
Our pick our #2 rated

BIO IONIC

Onepass Straightening Iron

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As the name suggests this flat iron is designed for fewer passes through your delicate hair and uses ionic technology for a smoother finish with fewer flyaways and frizz. Ceramic plates are gentle to use, with silicone speed strips increasing how smoothly it passes through your hair giving just enough tension so you don’t have to go through more than once.

A multilevel heat control goes as low as 240 degrees, ideal for finer hair, and can go to a maximum of 400 degrees for more stubborn curls. High levels of negative ions and infrared energy leave the hair looking and feeling silky smooth. A grooved handle makes for a slip-free grip, with a 9-foot cord that rotates a full 360 degrees making styling anywhere or at any angle relatively easy.

Pros
Pro Straightens hair in half the time of traditional flat irons.
Pro Ceramic plates are gentle on hair.
Pro Silicone speed strips prevent pulling of strands allowing for easier and fewer passes through your hair.
Pro Ionic technology conditions the hair as you style.
Pro Low temperature of 240 degrees is ideal for finer hair.
Cons
Con No LED display.
Con High temperatures can sometimes cause a burning smell.
Con Silicone strips have trouble with wavy hair
Con especially if it’s a bit thicker.
 

Our #3 Rated
Our pick our #3 rated

BaBylissPRO

Ultra-Thin Straightening Iron

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Babyliss is one of the top manufacturers of hair styling tool and this flat iron doesn’t disappoint—it’s one of the best titanium flat irons on the market today. This 1-inch iron is really thin but has a 5-inch long plate that allows for faster styling, whether it be straightening or curling. Titanium plates heat up much quicker than ceramic and emit more negative ions for locking moisture into the hair.

With 50 multiple heat settings from 240 to 450 degrees, you should be able to easily find the optimal temperature for your hair. People with finer hair may need to exercise caution as this flat iron heats up very quickly, in just 40 seconds, so it’s better to use it at a lower temperature on fine, thin hair. Being titanium, this flat iron is very lightweight and the body is made of Ryton; a material specially formulated to withstand high heat.

Pros
Pro Professional salon-quality titanium iron.
Pro Ionic abilities of titanium give smoother
Pro softer hair with more shine and moisture.
Pro Long 5-inch plates allow faster
Pro smoother and wider styling; good for curling.
Pro 50 heat settings with quick heat recovery time.
Pro Lightweight.
Pro Long swivel cord of 9 feet.
Cons
Con No digital display although heat settings allow you to fine tune temperature.
Con Must exercise caution as plates get very hot very quickly.
Con No automatic cut off or protective glove.
Con Expensive
Con but if used right this product will give salon-quality results.
 
 
 

Our #4 Rated
Our pick our #4 rated

RUSK

Professional Straight Iron

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This flat iron from Rusk Engineering uses titanium-infused ceramic plates otherwise referred to as ceramic titanium complex, or CTC. The combination of titanium and ceramic ensures even heating throughout all sections of the hair from root to tip. This means the flat iron glides easily over the hair without getting caught and needs fewer passes to achieve your style.

The temperature can be clearly seen on a LED display and is easy to adjust from 300 to 450 degrees. With an extra 0.25 inches on its plates and a rounded edge this flat iron doesn’t forget that some of us have longer fine hair and can create large voluminous curls. A long swivel cord enables styling without tangling yourself up in cables.

Pros
Pro CTC combines the best of both ceramic and titanium flat irons.
Pro Sol-gel technology for smoother styling.
Pro LCD display and easy to use temperature controls
Pro only 60 seconds to heat up.
Pro Rounded edges and 1.25-inch plates are good for curling.
Cons
Con No automatic cut off.
Con Temperature buttons are too easy to accidentally press when using.
Con Expensive and not as durable as price would suggest.
 
 

Our Choice

Fine hair, being very sensitive to high heat, needs a flat iron which can be effective at styling the hair without the need for higher temperatures. Our favorite flat iron for fine hair is the HSI Professional Glider Ceramic Tourmaline Ionic Flat Iron. This model has the widest range of temperatures, including an incredibly low 140 degrees, ceramic tourmaline plates that automatically sense and adjust the temperature and infrared technology that nourishes your hair as you style.

Costing little more than many of the budget flat irons on the market, in our opinion, the HSI Professional Glider is the best flat iron for fine hair.

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