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10 Best Curling Iron For Long Thick Hair 2025 in the United States

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Our Top Picks

#1

Winner

Conair Double Ceramic 1 1/2-Inch Curling Iron, 1 ½ inch barrel produces soft waves – for use on medium and long hair

Rating
9.9
Chosen by1,190
Heat Settings
Material
Swivel Cord

Most important from
91522 reviews

Heat Settings
Heats up quickly and creates smooth, classic curls that hold all day without needing touch-ups.
Material
The ceramic barrel ensures even heat distribution, preventing hot spots and reducing hair damage.
Swivel Cord
The swivel cord prevents tangling during styling, enhancing convenience and maneuverability.

The Conair Double Ceramic 1 1/2-Inch Curling Iron is a good option for those with medium to long hair looking to create soft, natural waves. Its 1.5-inch barrel size is ideal for producing loose curls that work well on thicker hair without tight ringlets. Made with ceramic, it provides even heat distribution which helps reduce frizz and keeps hair looking smooth.

With 30 heat settings reaching up to 375°F plus a Turbo Boost, you can customize the temperature according to your hair’s thickness and styling needs, which is great for managing long, thick hair that usually requires more heat. It also features a cool tip for safer handling and an auto shut-off for added safety if you forget to turn it off. The 5-foot swivel cord adds convenience by preventing tangles during use.

This curling iron balances effective heat control and frizz reduction, making it a solid choice for creating soft waves on long, thick hair. Users should be comfortable with clamp-style irons, as it uses a clamp rather than being clipless, which might require some practice to avoid creases in hair.

Rating
9.9
Chosen by1,190
Heat Settings
Material
Swivel Cord

Most important from
91522 reviews

Heat Settings
Heats up quickly and creates smooth, classic curls that hold all day without needing touch-ups.
Material
The ceramic barrel ensures even heat distribution, preventing hot spots and reducing hair damage.
Swivel Cord
The swivel cord prevents tangling during styling, enhancing convenience and maneuverability.
#2

Conair Double Ceramic 1-Inch Curling Iron, 1-inch barrel produces classic curls – for use on short, medium, and long hair

Rating
9.8
Heat Settings
Swivel Cord

Most important from
91522 reviews

Heat Settings
Despite its low cost, this curling iron offers several heat settings to suit different hair types.
Swivel Cord
The curling iron heats up quickly and has a long, swivel cord that makes styling easier.

The Conair Double Ceramic 1-Inch Curling Iron is designed to produce classic curls with a 1-inch barrel that's versatile for various hair lengths, including long, thick hair. Its ceramic material ensures even heat distribution, which helps in achieving long-lasting curls with less frizz. One of its strong points is the 30 heat settings, which allow customization for different hair types and textures, reaching up to 375°F. This feature is particularly beneficial for thick hair that often requires higher temperatures to hold curls effectively. The Turbo Heat boost can be useful for styling more challenging sections of the hair.

Additionally, the cool tip and auto shut-off feature enhance safety during use. The dual voltage capability makes it convenient for international travel. However, the 1-inch barrel might be slightly limiting for those seeking larger, looser curls, which are often favored for long, thick hair. The presence of a clamp might be a drawback for users preferring clipless designs that can offer more styling flexibility and less risk of clamp marks.

The recessed buttons are a practical addition to prevent accidental shutoffs, but the size and weight of the curling iron could make extended styling sessions somewhat tiring. Lastly, the swivel cord aids in maneuverability during use. This curling iron is a good fit if you need a reliable tool for creating classic curls and value safety features, though its barrel size and clamp design may not suit everyone’s styling preferences.

Rating
9.8
Heat Settings
Swivel Cord

Most important from
91522 reviews

Heat Settings
Despite its low cost, this curling iron offers several heat settings to suit different hair types.
Swivel Cord
The curling iron heats up quickly and has a long, swivel cord that makes styling easier.
#3

Bio Ionic Long Barrel Styler, 1.25" Curling Iron with Moisture Heat Technology & NanoIonic MX, 2" Longer Barrel Hair Curler, Versatile Curling Wand

Rating
9.7
Heat Settings
Barrel Length
Auto Shut-Off

Most important from
4356 reviews

Heat Settings
No line from the clip handle and multiple heat settings are great for colored hair.
Barrel Length
The long barrel creates beautiful curls on longer hair without awkward maneuvering.
Auto Shut-Off
Durable and includes an auto shut-off feature for added safety.
Swivel Cord
Swivel cord and quick heating make it easy to use.

The Bio Ionic Long Barrel Styler is a solid choice for individuals with long, thick hair who are looking for a reliable curling iron. One of its main strengths lies in its innovative Moisture Heat Technology and NanoIonic MX, which help to lock in moisture and keep curls hydrated and bouncy. This feature is particularly appealing for those who want to avoid the dryness that often comes with heat styling. The 1.25-inch barrel creates medium-defined curls, and its longer barrel of 2 inches makes it easier to style long hair, especially when reaching the back sections.

Another highlight is the adjustable heat settings that go up to 430°F, allowing users to select a temperature that suits their hair type. This versatility is great for those who might have different styling needs based on their hair's condition. Additionally, the auto shut-off feature after one hour enhances safety, making it a practical choice for everyday use.

On the downside, some users might find that the 1.25-inch barrel size is limiting if they prefer tighter curls, as it is designed for medium-sized curls. The weight of the curling iron, at 9.6 ounces, could be slightly cumbersome for extended styling sessions, particularly for those who are not used to heavier tools. Furthermore, while the ceramic material generally provides good heat distribution, it may not be as effective for very coarse or resistant hair types without using higher heat settings.

Rating
9.7
Heat Settings
Barrel Length
Auto Shut-Off

Most important from
4356 reviews

Heat Settings
No line from the clip handle and multiple heat settings are great for colored hair.
Barrel Length
The long barrel creates beautiful curls on longer hair without awkward maneuvering.
Auto Shut-Off
Durable and includes an auto shut-off feature for added safety.
Swivel Cord
Swivel cord and quick heating make it easy to use.

Buying Guide for the Best Curling Iron For Long Thick Hair

Choosing the right curling iron for long, thick hair can make a significant difference in achieving the perfect curls and maintaining hair health. When selecting a curling iron, it's essential to consider various specifications that will cater to your hair type and styling needs. Here are some key specs to look out for and how to navigate them to find the best fit for you.
Barrel SizeThe barrel size of a curling iron determines the size of the curls you can create. For long, thick hair, larger barrels (1.25 inches to 2 inches) are ideal as they can handle more hair at once and create loose, voluminous curls. Smaller barrels (0.5 inches to 1 inch) are better for tighter curls but may require more time and effort to style thick hair. Choose a barrel size based on the type of curls you prefer and how much time you want to spend styling.
Heat SettingsHeat settings allow you to adjust the temperature of the curling iron. For thick hair, higher heat settings (350°F to 450°F) are often necessary to achieve long-lasting curls. However, it's important to use a heat protectant to prevent damage. If your hair is also fine or prone to damage, look for a curling iron with adjustable heat settings so you can find the right balance between effective styling and hair health.
MaterialThe material of the curling iron's barrel affects how evenly heat is distributed and how well it holds curls. Ceramic and tourmaline barrels are popular choices as they provide even heat distribution and reduce frizz. Titanium barrels are also good for thick hair as they heat up quickly and maintain a consistent temperature. Choose a material that suits your hair's needs and helps you achieve the desired results without causing excessive damage.
Barrel LengthThe length of the barrel is crucial for long hair. A longer barrel allows you to wrap more hair around it, making the curling process faster and more efficient. Standard barrels may not be sufficient for very long hair, so look for extended or extra-long barrels to ensure you can style your hair effectively.
Clamp vs. CliplessCurling irons come with either a clamp or are clipless (wand). Clamps can help hold the hair in place while curling, which can be useful for beginners. Clipless wands require you to manually wrap the hair around the barrel, which can offer more styling flexibility and create more natural-looking curls. Consider your comfort level and the type of curls you want when choosing between these options.
Auto Shut-OffAuto shut-off is a safety feature that turns off the curling iron after a certain period of inactivity. This is important for preventing accidents and ensuring peace of mind. Look for a curling iron with this feature, especially if you tend to forget to turn off your styling tools.
Swivel CordA swivel cord allows the curling iron to rotate freely without tangling the cord. This feature is particularly useful for long, thick hair as it provides more flexibility and ease of movement while styling. Ensure the curling iron you choose has a swivel cord to make the styling process smoother and more convenient.

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