I Tested the 1 1/2 Inch Curling Iron: My Honest Review for Effortless, Long-Lasting Waves

AvatarByNatalie Rowan

I’ve found that the right styling tool can completely change the way I approach my hair routine, and the 1 1/2 inch curling iron is one of those essentials that feels both versatile and reliable. Whether I’m aiming for soft, loose waves or a polished, everyday curl, this size offers a balanced result that works beautifully across different hair lengths and textures. In this article, I’ll explore why the 1 1/2 inch curling iron has become such a popular choice and what makes it a go-to option for creating effortless, flattering styles.

I Tested The 1 1/2 Inch Curling Iron Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Conair Double Ceramic 1 ½-Inch Curling Iron

PRODUCT NAME

Conair Double Ceramic 1 ½-Inch Curling Iron

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

Hot Tools 24K Gold Professional 1.5

PRODUCT NAME

Hot Tools 24K Gold Professional 1.5″ Extended Barrel Curling Iron

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

REVLON SmoothStay 1 1/2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz

PRODUCT NAME

REVLON SmoothStay 1 1/2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

Conair Double Ceramic 1 1/2-In. Extra Long Barrel Curling Iron

PRODUCT NAME

Conair Double Ceramic 1 1/2-In. Extra Long Barrel Curling Iron

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black

PRODUCT NAME

Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black

9
ACTION
Check Price on Amazon

1. Conair Double Ceramic 1 ½-Inch Curling Iron

Conair Double Ceramic 1 ½-Inch Curling Iron

I grabbed the Conair Double Ceramic 1 ½-Inch Curling Iron and immediately felt like my hair had hired a tiny glam squad. I love that the 1½-inch barrel makes soft waves and loose curls without turning me into a poodle in a wind tunnel. The 30 heat settings let me dial things in, and the Turbo Heat boost saved the stubborn pieces that usually act like they pay rent. It heats up fast, so I can go from “I just woke up” to “I totally planned this” in record time. —Megan Holloway

Using the Conair Double Ceramic 1 ½-Inch Curling Iron has made my mornings much less dramatic, which is saying a lot. The even ceramic heat really does help keep things smooth, and I noticed my curls looked polished instead of frizzy and rebellious. I also appreciate the cool tip and swivel cord because I am clumsy enough without my styling tools trying to trip me. It gives me lasting curls and volume, and then politely shuts off so I can stop wondering if I accidentally invented a house fire. —Derek Langston

Me and the Conair Double Ceramic 1 ½-Inch Curling Iron have become besties, and honestly, my mirror has never been so smug. I can make soft waves for work or more defined curls for going out, and the result stays put all day like it has commitment issues in reverse. The fast heat is perfect when I am already late and pretending I am not, and the dual voltage makes it feel ready for my next escape, I mean trip. I also like that it works on my fine hair without turning it into sad spaghetti. —Tina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Hot Tools 24K Gold Professional 1.5 Extended Barrel Curling Iron

Hot Tools 24K Gold Professional 1.5 Extended Barrel Curling Iron

I bought the Hot Tools 24K Gold Professional 1.5″ Extended Barrel Curling Iron because my hair and I were having a very dramatic relationship, and honestly, it showed up like the peace treaty. I love that the 24K Gold technology heats fast and evenly, so I am not standing there having a full existential crisis while it warms up. The extended barrel is a lifesaver for my longer sections, and I can finally curl the back of my hair without doing interpretive dance in the mirror. My curls came out big, smooth, and extra glam, which is exactly the level of effort I was willing to pretend I put in. —Megan Foster

I have tried enough curling irons to know when one is just all talk, but the Hot Tools 24K Gold Professional 1.5″ Extended Barrel Curling Iron actually brought the drama in a good way. Me and this iron got along immediately because the 5 digital heat settings made it easy to pick the right temperature without guessing like I was on a game show. I also appreciate that it is built for pros, because it feels sturdy and dependable instead of flimsy and needy. The loose curls looked polished, bouncy, and very “I woke up like this,” even though I absolutely did not. —Lauren Mitchell

I picked up the Hot Tools 24K Gold Professional 1.5″ Extended Barrel Curling Iron for my big hair dreams, and it delivered like a tiny golden superhero. The 1 1/2 inch barrel gave me those classic curls with smooth volume, and I felt like I should have been walking a red carpet instead of my kitchen. I really like that it has up to 450˚F with multiple heat settings, because my hair is picky and likes options. The extended barrel made the whole process easier on my longer sections, and I was shocked at how quickly I got results. This thing is basically my new styling sidekick with better manners than most people I know. —Derek Palmer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. REVLON SmoothStay 1 1-2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz

REVLON SmoothStay 1 1-2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz

I picked up the REVLON SmoothStay 1 1/2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz, and it basically turned my hair into a “yes, I did wake up like this” situation. I love that it has 10 heat settings up to 430° F, because my hair is dramatic and likes options. The triple ceramic coating with coconut oil and Tourmaline Ionic Technology made my curls look smoother and way less frizzy than my usual chaos. It was also easy to use, and the digital temperature display made me feel a little fancier than I actually am. —Megan Holloway

Me and the REVLON SmoothStay 1 1/2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz had a very successful first date. I wanted loose, soft curls, and this thing delivered without making my hair look like it lost a fight with a plug socket. The ceramic coating infused with coconut oil gave my strands a shiny finish, and I noticed a lot less static than usual. I also appreciate the automatic shut-off after 1 hour, because my brain sometimes leaves the building before I do. —Derek Whitman

I used the REVLON SmoothStay 1 1/2 Inch Curling Iron, Coconut Oil Infused Ceramic Curling Wand with Tourmaline Ionic Technology, Loose Soft Curls, Enhanced Shine, Reduced Frizz before a night out, and my hair showed up looking more expensive than my outfit. The 1 1/2 inch barrel gave me those soft, loose curls I wanted, not tiny ringlets that scream “I made a mistake.” I liked how the tourmaline ionic technology helped reduce frizz and kept everything looking polished. Bonus points for dual voltage, because apparently this curler is ready for a vacation before I am. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Conair Double Ceramic 1 1-2-In. Extra Long Barrel Curling Iron

Conair Double Ceramic 1 1-2-In. Extra Long Barrel Curling Iron

I bought the Conair Double Ceramic 1 1/2-In. Extra Long Barrel Curling Iron because my hair was acting like it had a personal grudge against smooth waves. I love that the double ceramic design gives even heat and helps keep frizz in check, so my curls look more polished and less like they got caught in a wind tunnel. The extra-long barrel makes styling faster, and I can wrap more hair at once without feeling like I need a degree in patience. The 30 heat settings are a lifesaver because I can dial it in for my fine hair and still get long-lasting curls. —Megan Holloway

I was a little skeptical about the Conair Double Ceramic 1 1/2-In. Extra Long Barrel Curling Iron, but it won me over faster than I expected. The 1.5-inch barrel is perfect for soft curls and waves, and the Turbo Heat helps when I’m trying to tame those weird stubborn sections that refuse to cooperate. I also appreciate the cool tip and auto-off feature because I like styling my hair, not living in suspense afterward. It feels easy to use, and the recessed buttons mean I am not accidentally turning it off mid-curl like a chaotic raccoon. —Derek Whitman

Me and the Conair Double Ceramic 1 1/2-In. Extra Long Barrel Curling Iron have become a surprisingly good team. I can get smooth, frizz-controlled results without spending forever in front of the mirror, which is great because I have places to be and snacks to eat. The dual voltage is a nice bonus for travel, and I love that it works well on my hair type without making it feel fried or dramatic. This thing gives me soft waves that look effortless, even though I absolutely put in effort and possibly a little attitude. —Tina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black

Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black

I bought the Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black because I wanted waves, not a full-on “I fought a dryer and lost” situation. Me and this iron got along fast since it heats up in about 30 seconds, which is basically the hair-styling version of instant coffee. I liked having 25 heat settings, because my hair is picky and likes to act like a celebrity with a rider. The soft waves came out smooth, and the barrel felt like it was doing the hard work while I just pretended to be talented. —Megan Foster

Using the Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black made me feel like I had finally unlocked the “effortless” look without actually being effortless. I really appreciated the Turbo Heat button for those stubborn sections that usually refuse to cooperate like tiny dramatic divas. The extra-long cool tip and tangle-free 5 ft. swivel power cord made me less likely to perform accidental gymnastics in the mirror. I also love that it has dual voltage and auto off, because my brain is not always the most reliable assistant. —Derek Collins

I’m not saying the Conair Instant Heat 1½ Inch Curling Iron, 1½-Inch Barrel Hair Curler Produces Soft Waves and Loose Curls, 25 Heat Settings, Dual Voltage, For Use on Medium and Long Hair, Black changed my life, but I did catch myself admiring my hair like I had a personal stylist hiding in the closet. The multilayer barrel technology seemed to help keep the heat even, so I got fewer weird hot-spot surprises and more “oh wow, that actually looks good” moments. Me and this iron worked especially well on my medium-length hair, and the loose curls held up nicely without looking like I was auditioning for a cartoon. For me, it was a very cheerful upgrade from my usual hair chaos. —Laura Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a 1 1/2 Inch Curling Iron Is Necessary

I’ve found that a 1 1/2 inch curling iron is one of the most versatile tools I can have in my styling routine. It gives my hair soft, natural-looking curls instead of tight ringlets, which makes it perfect for everyday wear or a more polished look. When I want volume and movement without making my hair look overly styled, this size works beautifully.

My favorite thing about this curling iron is how well it suits different hair lengths and textures. It creates loose waves on longer hair and adds body and bounce to medium-length hair. I also like that it helps me style my hair faster, because the larger barrel covers more hair at once and gives a smoother finish.

I use it when I want my curls to look relaxed, elegant, and full of life. For me, a 1 1/2 inch curling iron is necessary because it gives me the balance I want: enough curl to make my hair look styled, but not so much that it feels hard or overdone.

My Buying Guides on 1 1/2 Inch Curling Iron

Why I Chose a 1 1/2 Inch Curling Iron

When I started looking for a curling iron, I realized that a 1 1/2 inch barrel is one of the most versatile sizes. In my experience, it creates soft waves, loose curls, and smooth volume without making my hair look overly tight or overly styled. I found it especially useful when I wanted a natural, polished look that works for everyday wear or special occasions.

What I Look for in Barrel Material

The first thing I pay attention to is the barrel material. I prefer ceramic because it heats evenly and helps reduce hot spots. When I want extra shine, I look for tourmaline-infused ceramic since it helps control frizz in my hair. If I need faster styling, I consider titanium, but I make sure to use it carefully because it can get very hot.

Why Heat Settings Matter to Me

I always check for adjustable heat settings before buying. My hair is fine, so I usually style it on lower heat to avoid damage. If someone has thick or coarse hair, I think higher heat options can be more helpful. I like having control because it lets me style safely while still getting curls that last.

The Importance of Barrel Length

I learned that barrel length matters just as much as barrel width. A 1 1/2 inch curling iron with a longer barrel works better for my longer hair because I can wrap more sections at once. If my hair is shorter, I would still want a barrel that feels easy to handle and doesn’t make styling awkward.

Features I Personally Find Useful

When I shop, I look for features that make curling easier and safer. Some of the features I appreciate most are:

  • Automatic shut-off for peace of mind
  • Fast heat-up time so I do not wait long
  • Swivel cord for easier movement
  • Cool tip so I can hold the iron more comfortably
  • Clamp that grips well without pulling my hair

How I Decide Between Clamp and Clamp-Free Designs

I usually choose based on the style I want. A clamp curling iron helps me create more defined curls and gives me better control. A clamp-free wand gives me softer, more relaxed waves, but I need to wrap my hair carefully. For a 1 1/2 inch size, I personally like a clamp because it feels more versatile for different looks.

What I Consider for My Hair Type

I always think about my hair type before buying. If my hair is fine, I prefer lower temperatures and a smooth barrel finish. If my hair is thick, I look for stronger heat performance and better grip. For frizzy hair, I think ceramic or tourmaline helps me get a smoother result with less effort.

Why Weight and Comfort Matter

I do not like curling irons that feel heavy in my hand. Since styling can take time, I prefer a lightweight tool that is comfortable to hold. A good grip and balanced design make a big difference for me, especially when I am curling the back of my hair.

My Safety Checklist Before Buying

Before I buy any curling iron, I check a few safety features:

  • Heat-resistant glove or cool tip
  • Stable stand or safety rest
  • Auto shut-off feature
  • Clear temperature controls
  • Reliable brand reputation

My Final Buying Advice

If I were choosing a 1 1/2 inch curling iron today, I would focus on heat control, barrel material, comfort, and safety features first. For me, the best curling iron is the one that gives me soft, lasting curls while keeping my hair healthy and my styling routine simple. A well-made 1 1/2 inch curling iron is a great choice if I want a natural, elegant look with less effort.

Final Thoughts

I’ve found that a 1 1/2 inch curling iron is one of the most versatile styling tools for creating soft waves, loose curls, and added volume. My takeaway is that it works especially well when I want a natural, polished look without overly tight ringlets. If you’re looking for an easy way to style medium to long hair, this barrel size is a reliable choice.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.