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Best Buy customers often prefer the following products when searching for large hair straighteners.

If you're looking for a way to give your hair a quick and easy style, try using a hair straightener. These tools can help you get rid of frizz and create smooth, shiny hair. Browse the top-ranked list of large hair straighteners below along with associated reviews and opinions.

Main Results
  1. Shark - SmoothStyle Heated Comb and Blow Dryer Brush, Dual Mode, For All Hair Types - Silk - Front_Zoom
    Top comment

    "I can straighten my hair in minutes compared to other straighteners I own....It dried my long hair faster than my hair dryer. My hair was not only smoother than when I use my one pass straightener, it did not look limp the way my straightener sometimes make it. "

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    Product Description

    Shark SmoothStyle is designed to style and smooth hair with heated comb technology for a healthy, voluminous finish. Use Blow Dryer Brush Mode for wet-to-dry volumizing with no heat damage and Heated Comb Mode to style, align, and smooth.
    See all Hair Dryers
    Top comment

    "I can straighten my hair in minutes compared to other straighteners I own....It dried my long hair faster than my hair dryer. My hair was not only smoother than when I use my one pass straightener, it did not look limp the way my straightener sometimes make it. "

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    Product Description

    Shark SmoothStyle is designed to style and smooth hair with heated comb technology for a healthy, voluminous finish. Use Blow Dryer Brush Mode for wet-to-dry volumizing with no heat damage and Heated Comb Mode to style, align, and smooth.
    See all Hair Dryers
    See all Hair Dryers
  2. Conair - InfinitiPRO 1" QuadAir Ceramic Flat Iron - White - Angle_Zoom

    Product Description

    Straighten hair with ultra-high heat, then set your look in place with cool air from the InfinitiPRO by Conair QuadAir Flat Iron. This innovative styler smooths with four ½-inch plates and high, even heat that reaches 410°F in 30 seconds. Hair glides effortlessly between the titanium ceramic-coated plates, leaving it smooth and shiny with styles that last longer. Variable heat settings are customized to straighten all hair types, and a unique cool air system flows cool air up through the vented titanium barrel for looks that last. The system instantly cools hair to set your style and protect against heat damage. With a rapid 30-second heat-up, you can start styling hair immediately. Choose from 5 temperature settings — 265°F, 300°F, 340°F, 375°F, or 410°F — to create sleek, straight hair in a single pass. Adding cool air is optional. Simply press the FAN ON/OFF button to style with or without it. And style with peace of mind knowing there’s an automatic safety shutoff. The QuadAir Flat Iron makes it easy to straighten and style all types of hair with long-lasting satiny-smooth results. Fast, high, even heat, glide-over plates, and a burst of cool air give you the power to style!
    See all Flat Irons & Hair Straighteners

    Product Description

    Straighten hair with ultra-high heat, then set your look in place with cool air from the InfinitiPRO by Conair QuadAir Flat Iron. This innovative styler smooths with four ½-inch plates and high, even heat that reaches 410°F in 30 seconds. Hair glides effortlessly between the titanium ceramic-coated plates, leaving it smooth and shiny with styles that last longer. Variable heat settings are customized to straighten all hair types, and a unique cool air system flows cool air up through the vented titanium barrel for looks that last. The system instantly cools hair to set your style and protect against heat damage. With a rapid 30-second heat-up, you can start styling hair immediately. Choose from 5 temperature settings — 265°F, 300°F, 340°F, 375°F, or 410°F — to create sleek, straight hair in a single pass. Adding cool air is optional. Simply press the FAN ON/OFF button to style with or without it. And style with peace of mind knowing there’s an automatic safety shutoff. The QuadAir Flat Iron makes it easy to straighten and style all types of hair with long-lasting satiny-smooth results. Fast, high, even heat, glide-over plates, and a burst of cool air give you the power to style!
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  3. Conair - InfinitiPRO 1" Ceramic Flat Iron - Black - Angle_Zoom
    Top comment

    "But, by far, this straightener is now my favorite! It's lightweight, makes my hair very straight and shiny, and doesn't burn my hair! ...Makes my hair soft ,shiny and straight...This is my first time trying a hair straightener from Conair . I love the purple color . "

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    Product Description

    Get shiny straight, smooth styles with this salon-quality flat iron. Tourmaline ceramic-coated plates prevent static, protect hair from damage, and create shiny smooth, straight styles that last, even in humidity. Instant heat-up and recovery up to an ultra-high 455 degrees F and variable heat settings provide fast, versatile styling options. You can even add a flip with a twist of the wrist.
    See all Flat Irons & Hair Straighteners
    Top comment

    "But, by far, this straightener is now my favorite! It's lightweight, makes my hair very straight and shiny, and doesn't burn my hair! ...Makes my hair soft ,shiny and straight...This is my first time trying a hair straightener from Conair . I love the purple color . "

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    Product Description

    Get shiny straight, smooth styles with this salon-quality flat iron. Tourmaline ceramic-coated plates prevent static, protect hair from damage, and create shiny smooth, straight styles that last, even in humidity. Instant heat-up and recovery up to an ultra-high 455 degrees F and variable heat settings provide fast, versatile styling options. You can even add a flip with a twist of the wrist.
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  4. T3 - Lucea 1.5” Professional Straightening & Styling Iron - White & Rose Gold - Angle_Zoom
    Top comment

    "Amazing Product - No Damaged Hair...My hair feels so smooth and without harm, unlike other straighteners that I have used before....My go-to straightener...I like that I don't have to keep going over my hair multiple times like with other straighteners and it makes my hair SO soft and smooth. "

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    Product Description

    Thick, coarse hair—meet the Lucea 1.5”. Equipped with 50% wider plates* and T3 Rapid HeatIQ Technology, the T3 Lucea 1.5” professional flat iron straightens or styles long, thick or coarse hair in a single pass. Monitored by a smart microchip, a range of 9 digital heat settings provide the optimal temperature for hair that needs a little extra love, while T3 CeraSync heaters synchronize heat across both plates for fast, one-pass styling without exposing hair to unnecessary heat. Wider CeraGloss ceramic plates cover more area for shiny, frizz-free results in less time, and a StyleEdge design offers a snag-free glide for sleek, straight looks or beautiful curls and waves. Innovative ThermaTouch insulation technology offers superior grip comfort so you can style with confidence. Longer plates** and a PrecisionControl hinge ensure fast styling with greater control. * Wider than T3 Lucea 1” ** Longer than T3 SinglePass X
    See all Flat Irons & Hair Straighteners
    Top comment

    "Amazing Product - No Damaged Hair...My hair feels so smooth and without harm, unlike other straighteners that I have used before....My go-to straightener...I like that I don't have to keep going over my hair multiple times like with other straighteners and it makes my hair SO soft and smooth. "

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    Product Description

    Thick, coarse hair—meet the Lucea 1.5”. Equipped with 50% wider plates* and T3 Rapid HeatIQ Technology, the T3 Lucea 1.5” professional flat iron straightens or styles long, thick or coarse hair in a single pass. Monitored by a smart microchip, a range of 9 digital heat settings provide the optimal temperature for hair that needs a little extra love, while T3 CeraSync heaters synchronize heat across both plates for fast, one-pass styling without exposing hair to unnecessary heat. Wider CeraGloss ceramic plates cover more area for shiny, frizz-free results in less time, and a StyleEdge design offers a snag-free glide for sleek, straight looks or beautiful curls and waves. Innovative ThermaTouch insulation technology offers superior grip comfort so you can style with confidence. Longer plates** and a PrecisionControl hinge ensure fast styling with greater control. * Wider than T3 Lucea 1” ** Longer than T3 SinglePass X
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  5. Dyson - Corrale Hair Straightener - Copper/Nickel - Angle_Zoom
    Top comment

    "Spectacular straightener!...The cord free option is great and I can put the most perfect waves in my hair. I have hair down my back and have used several straighteners over the years. ...The Dyson straightener is a must have. It gets your hair so smooth and silky. "

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    Product Description

    The Dyson Corrale Straightener, now with a new Travel charging dock that folds to stow in your bag for an easier charging solution at home or on the go. The only straightener with flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat, and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The Dyson Corrale Straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. Before using, charge your straightener to 100% to maximize performance.
    See all Flat Irons & Hair Straighteners
    Top comment

    "Spectacular straightener!...The cord free option is great and I can put the most perfect waves in my hair. I have hair down my back and have used several straighteners over the years. ...The Dyson straightener is a must have. It gets your hair so smooth and silky. "

    See all customer reviews

    Product Description

    The Dyson Corrale Straightener, now with a new Travel charging dock that folds to stow in your bag for an easier charging solution at home or on the go. The only straightener with flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat, and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The Dyson Corrale Straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. Before using, charge your straightener to 100% to maximize performance.
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  6. Dyson - Airstrait Straightener - Nickel/Copper - Angle_Zoom
    Top comment

    "Amazing Hair/Airstraightener from Dyson...Amazing hair straightener that does not damage hair like the other Dyson hair straightener did. ...not a bad thing, my wife uses it, the only thing is that the iron cannot straighten the ends of the hair, but this is in our case and it is large in size when compared to a regular hair straightener."

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    Product Description

    Dyson Airstrait dries and straightens simultaneously from wet to dry. Engineered to create a natural straight finish for multiple hair types. No hot plates.No heat damage.¹ Your routine, simplified.
    See all Flat Irons & Hair Straighteners
    Top comment

    "Amazing Hair/Airstraightener from Dyson...Amazing hair straightener that does not damage hair like the other Dyson hair straightener did. ...not a bad thing, my wife uses it, the only thing is that the iron cannot straighten the ends of the hair, but this is in our case and it is large in size when compared to a regular hair straightener."

    See all customer reviews

    Product Description

    Dyson Airstrait dries and straightens simultaneously from wet to dry. Engineered to create a natural straight finish for multiple hair types. No hot plates.No heat damage.¹ Your routine, simplified.
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  7. Dyson - Refurbished Corrale Hair Straightener - Fuchsia/Black Nickel - Angle_Zoom
    Top comment

    "Love my Dyson Straightener...I already own a dyson dryer and I prefer curling my hair with a straightener which is why i wanted to give this a try. ...For 4c hair pattern...I am 100% natural with 4c pattern. The straightener got my hair straight 90% straight My hair style remained straight for 2-3 days."

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    Product Description

    This product has been refurbished. The Dyson Corrale Refurbished straightener is the only straightener with copper flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat – and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The plates are made of manganese copper, selected for its flexibility, strength and thermal conduction. The Dyson Corrale straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. ¹Thermal damage measured by hair strength, when creating an equivalent hair style. Tested on Corrale with flexing plates vs Corrale with solid plates ²Direct image analysis vs untreated hair. ³Exact run time may vary based on hair type and styling technique.
    See all Flat Irons & Hair Straighteners
    Top comment

    "Love my Dyson Straightener...I already own a dyson dryer and I prefer curling my hair with a straightener which is why i wanted to give this a try. ...For 4c hair pattern...I am 100% natural with 4c pattern. The straightener got my hair straight 90% straight My hair style remained straight for 2-3 days."

    See all customer reviews

    Product Description

    This product has been refurbished. The Dyson Corrale Refurbished straightener is the only straightener with copper flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat – and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The plates are made of manganese copper, selected for its flexibility, strength and thermal conduction. The Dyson Corrale straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. ¹Thermal damage measured by hair strength, when creating an equivalent hair style. Tested on Corrale with flexing plates vs Corrale with solid plates ²Direct image analysis vs untreated hair. ³Exact run time may vary based on hair type and styling technique.
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  8. Dyson - Refurbished Corrale Hair Straightener - Black Nickel/Fuchsia - Angle_Zoom
    Top comment

    "Dyson straightener...The Dyson hair straightener leaves my hair looking shiny and healthy if you're someone who uses a flatiron every day and are worried about damage, I think it's definitely for you....Refurbished dyson hair straightener...I returned the item but bought a new dyson hair straightener. Waiting for the order. Definitely worth buying for. "

    See all customer reviews

    Product Description

    This product has been refurbished. The Dyson Corrale Refurbished straightener is the only straightener with copper flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat – and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The plates are made of manganese copper, selected for its flexibility, strength and thermal conduction. The Dyson Corrale straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. ¹Thermal damage measured by hair strength, when creating an equivalent hair style. Tested on Corrale with flexing plates vs Corrale with solid plates ²Direct image analysis vs untreated hair. ³Exact run time may vary based on hair type and styling technique.
    See all Flat Irons & Hair Straighteners
    Top comment

    "Dyson straightener...The Dyson hair straightener leaves my hair looking shiny and healthy if you're someone who uses a flatiron every day and are worried about damage, I think it's definitely for you....Refurbished dyson hair straightener...I returned the item but bought a new dyson hair straightener. Waiting for the order. Definitely worth buying for. "

    See all customer reviews

    Product Description

    This product has been refurbished. The Dyson Corrale Refurbished straightener is the only straightener with copper flexing plates that shape around your hair, gathering it neatly together on each pass. This extra control means you can achieve the same style but with less heat – and therefore half the damage¹. It also means enhanced styling, for reduced frizz and fewer flyaways². The plates are made of manganese copper, selected for its flexibility, strength and thermal conduction. The Dyson Corrale straightener can be used corded, or cord-free to provide extra versatility and freedom while styling. ¹Thermal damage measured by hair strength, when creating an equivalent hair style. Tested on Corrale with flexing plates vs Corrale with solid plates ²Direct image analysis vs untreated hair. ³Exact run time may vary based on hair type and styling technique.
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  9. TYMO Ring Hair Straightening Comb - Black - Angle_Zoom
    Top comment

    "Awesome straightener...Excellent hair straightener. I switched from using a 100.00 chi straightener to this. ...It’s so convenient for straightening mine and my daughters hair! Great buy!"

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    Product Description

    Get salon-grade hair with TYMO RING, the ultimate in effortless hair straightening and styling. Experience the revolution in hair styling with the TYMO RING Straightener Comb - your new secret weapon for stunningly straight hair. It uniquely combines the power of a flat iron with the simplicity of a comb to provide volume and shine, simply by combing through each section of hair. The TYMO RING features five temperature options for different hair types, ranging from 266℉-410℉ and heats up quickly in just 60 seconds. With 25 ceramic heating plates, straightening becomes not just effortless, but a delight. Enhanced safety features include the anti-scald design to protect scalp and hands, while allowing you to reach closer to the roots for greater volume, and a 30-minute auto shut off. Get ready to dazzle with your sleek, runway-ready hair. Step into the future of hair styling with the TYMO RING!
    See all Flat Irons & Hair Straighteners
    Top comment

    "Awesome straightener...Excellent hair straightener. I switched from using a 100.00 chi straightener to this. ...It’s so convenient for straightening mine and my daughters hair! Great buy!"

    See all customer reviews

    Product Description

    Get salon-grade hair with TYMO RING, the ultimate in effortless hair straightening and styling. Experience the revolution in hair styling with the TYMO RING Straightener Comb - your new secret weapon for stunningly straight hair. It uniquely combines the power of a flat iron with the simplicity of a comb to provide volume and shine, simply by combing through each section of hair. The TYMO RING features five temperature options for different hair types, ranging from 266℉-410℉ and heats up quickly in just 60 seconds. With 25 ceramic heating plates, straightening becomes not just effortless, but a delight. Enhanced safety features include the anti-scald design to protect scalp and hands, while allowing you to reach closer to the roots for greater volume, and a 30-minute auto shut off. Get ready to dazzle with your sleek, runway-ready hair. Step into the future of hair styling with the TYMO RING!
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
  10. TYMO Ring Plus iONIC Hair Straightening Comb - Gray - Angle_Zoom
    Top comment

    "Hair straightener...Great hair straighter!!!...This hair brush straightener works great. Love the accessories it came with. "

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    Product Description

    Get salon-grade hair with TYMO RING PLUS, the ultimate in effortless hair straightening and styling. Experience the revolution in hair styling with the TYMO RING PLUS Straightener Comb - your new secret weapon for stunningly straight hair. It uniquely combines the power of a flat iron with the simplicity of a comb to provide volume and shine, simply by combing through each section of hair. The TYMO RING PLUS features an innovative ionic system for smooth and shiny results in a single pass. There are nine temperature options for different hair types, ranging from 250℉-410℉. It heats up quickly in just 60 seconds for immediate results. With 25 ceramic heating plates, straightening becomes not just effortless, but a delight. Enhanced safety features include the anti-scald design to protect scalp and hands, while allowing you to reach closer to the roots for greater volume, and a 30-minute auto shut off. Get ready to dazzle with your sleek, runway-ready hair. Step into the future of hair styling with the TYMO RING PLUS!
    See all Flat Irons & Hair Straighteners
    Top comment

    "Hair straightener...Great hair straighter!!!...This hair brush straightener works great. Love the accessories it came with. "

    See all customer reviews

    Product Description

    Get salon-grade hair with TYMO RING PLUS, the ultimate in effortless hair straightening and styling. Experience the revolution in hair styling with the TYMO RING PLUS Straightener Comb - your new secret weapon for stunningly straight hair. It uniquely combines the power of a flat iron with the simplicity of a comb to provide volume and shine, simply by combing through each section of hair. The TYMO RING PLUS features an innovative ionic system for smooth and shiny results in a single pass. There are nine temperature options for different hair types, ranging from 250℉-410℉. It heats up quickly in just 60 seconds for immediate results. With 25 ceramic heating plates, straightening becomes not just effortless, but a delight. Enhanced safety features include the anti-scald design to protect scalp and hands, while allowing you to reach closer to the roots for greater volume, and a 30-minute auto shut off. Get ready to dazzle with your sleek, runway-ready hair. Step into the future of hair styling with the TYMO RING PLUS!
    See all Flat Irons & Hair Straighteners
    See all Flat Irons & Hair Straighteners
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