Best Curling Irons of 2026

Fifteen inches long and 13.6 ounces, this is the biggest iron in our lineup, and it is the one we point at thick, coarse hair that shrugs off a gentler barrel. Nano titanium is the reason: it is a coating made to run hot and pass that heat on quickly, and this iron gets seriously hot at the top of its dial.

The clamp is the part to learn. It is a spring clamp, and it holds a proper section firmly once you load it — a little more hair than you wrap on a wand, squeezed deliberately. Get that right and the 1.25-inch barrel produces smooth, bouncy curls in the same loose family as our top pick, with a finish that reads more polished than most.

What you give up is subtlety. This is not the iron for fine or fragile hair, and it is not the one to buy if you want a gentle low-temperature pass on a blow-dry. For hair that needs real heat to move, it is the barrel that does it, and the 1.25-inch width keeps the result soft rather than spiral.

Long hair is where short barrels show their limits. A standard barrel is brief enough that the last few inches of a waist-length section hang off the end, and you go back for them. TYMO builds this one longer for exactly that reason, and the pitch is one pass per section instead of two.

The rest is automatic. You feed a section into the slot, press the button, and the barrel rotates the hair around itself while the built-in timer tells you when to release. Dual PTC heaters work to keep the barrel from dropping temperature when you load it, and the 360° shell stays cool enough to steady the head with your free hand while it spins.

For hair past the shoulders this is the automatic we recommend, and the extra barrel length is the whole reason. The limits are just as clear: three heat settings is a short list, and fine or fragile hair has no gentle option here — our top pick's 180°F dial is the answer to that. If your hair is long and strong, neither matters.

CHI starts this one at 370°F and stops at 410°F across its presets. For medium and coarse hair that is a sensible window, hot enough to set a curl in one pass, but there is no gentler rung for fine, fragile or freshly lightened hair, and that is the first thing we want a buyer to know about it.

Where it earns its place is the chamber. You feed a section into the opening, hold the arrow, and the barrel draws the hair in and wraps it, so the result does not depend on how steady your wrist is or whether you clamped the ends evenly. We point people who have never got a clamp and a wrist to cooperate at this one before any of the manual irons here. The 9-foot swivel cord is the longest in the group, and auto shut-off means a forgotten iron is not a disaster.

The catch is loading it correctly. CHI's instruction is a section between three-quarters of an inch and an inch, and going over that is where tangling starts — the tangle guard stops and beeps rather than yanking, but you still have to unwind it. Keep the sections small and the only fiddly part left is switching hands between sides.

A 1.5-inch barrel is the widest in this group, and for the loose, brushed-out wave most people picture when they say they want curls, it is the fastest way there: more hair per section, less time at the mirror. It is the one we point at medium to long hair that already has some body of its own.

The rest is sensible rather than fancy. Five heat settings up to 400°F, a claimed 30-second heat-up, uniform heat recovery and auto shut-off — a straightforward specification sheet, done properly. Tourmaline ceramic is Conair's coating for shine and frizz control rather than a different kind of heat.

Hold is where a wide barrel can disappoint. On hair that resists styling, this gives you a wave that has dropped by evening without product and a cool set, and no amount of extra heat fixes that. Short hair is the other boundary: a 1.5-inch barrel barely fits a short section, let alone bends it, so look at the 1-inch Conair or our top pick instead.

The cool tip here is longer than most, and that is not a small thing. It gives your second hand somewhere to go while the first holds the clamp, which is how you get a smooth wrap instead of a kink near the ends. It is the sort of detail that separates a budget iron you keep using from one that ends up in a drawer.

Twenty-five heat settings up to 400°F, dual voltage, auto shut-off and a multi-layer barrel designed to spread heat rather than concentrate it: this is a lot of iron for the least money in the group. The 1-inch barrel is the classic width, tight enough to read as a curl on most hair and loose enough not to spiral.

Where it can fall short is stubborn hair. The same 1-inch barrel that curls fine and medium hair neatly can leave a wave where you wanted a curl on coarse hair that resists heat, and an extra pass does not fix it. For short hair, fine hair, or a teenager learning on something inexpensive, it is the easiest recommendation here.

Six barrels in one box is the pitch, and the sizes cover the useful range rather than padding it: 1.25 inches for waves, an inch for classic curls, three-quarter and 0.35-to-0.7 for ringlets, plus a spiral. If you have never settled on a barrel size because you do not know what your hair does, this is the cheapest way here to try several.

Heat is the compromise. There are two settings, both on the hot side, and the glove in the box is not a courtesy — the barrels get properly hot and stay there. On fine hair the lower of the two is still a lot of heat, so keep passes quick and move the barrel rather than holding it.

The other thing to watch is the clamps. The screws that hold them work loose with use, which shows up as a clamp that will not grip a section cleanly; check them every few weeks and tighten as needed. Beyond that the set is well thought out: a 360° swivel cord, an anti-scald tip, dual voltage, and a box you will end up storing it all in.

We recommend it as a way to find your barrel before you spend on one good iron, not as the iron you keep for a decade. Use it to learn whether your hair wants an inch or an inch and a quarter, then buy that size properly — and in the meantime it travels well, because the voltage adapts and everything packs back into the box.

Take the longer barrel off the CurlPro Plus, drop one of the two heaters, and you have this: the same one-button rotation and the same 1-inch barrel for noticeably less money. It is the automatic we suggest if you want to find out whether automatic curling suits you before spending on the bigger one.

The design does the work. A 0.3-inch slot and a hair guide keep the section against the barrel without the plate snatching at it, and the 360° shell stays cool enough to steady the head with your free hand while it spins. Curls come out uniform, and the limit on speed is how fast you can section, not how long each curl takes.

Switching sides takes a pass or two, as it does on the CHI, and the results are looser than a clamp iron gives: this is a beach-wave tool, not a ringlet one. For shoulder-length hair and a five-minute routine, that is exactly the shape most people are chasing.

Our reservation is lifespan. A rotating barrel packs a motor and a heating element into a small body, and these can stop turning or stop heating within months, so treat it as a first automatic rather than a forever tool. If your hair is long, the Plus's extended barrel is worth the step up; if it is not, this one does the same job for less.