32mm Curling Guide: Big Waves, Technique, and Tool Choice

An educational guide from the Beauty AMZ research team. No hard sell, just what you need to know.
Which hair lengths suit 32mm
The 32mm barrel hits its stride on medium to long hair. Shoulder length hair gets voluminous blowout curls, armpit length gets classic soft waves, and waist length gets glamorous loose curls with movement. Chin length bobs can use 32mm for a flipped, bouncy finish but not for true curls. Pixies and short bobs cannot wrap a 32mm barrel enough to form any curl. As a rule, your hair should be at least 4 to 5 inches long in the shortest layer to benefit from this barrel size, and the longer the hair, the more beautiful the 32mm wave.
Wrapping technique for big waves
Large barrel technique differs from small barrel curling. Take horizontal sections 1.5 to 2 inches wide, comb smooth, and wrap away from the face keeping the hair flat against the barrel with no overlapping. Hold 10 to 12 seconds, then slide the barrel out downward rather than unwinding, letting the curl fall into your palm. Cup it until cool or pin it up. For the modern undone look, leave the last inch of ends out of the wrap and alternate the direction of each section. Brush through gently with fingers only after every curl is fully cool.
Root volume with large barrels
Big waves fall flat at the roots without lift strategy. Blow dry roots upward with a round brush or use velcro rollers at the crown while the rest cools. Backcomb lightly at the crown before curling for event level volume, smoothing the top layer over it. A volumizing powder or spray at the roots after styling adds grip that keeps the lift for hours. Avoid heavy serums near the roots; they collapse the volume that the 32mm barrel worked to create.
Second day 32mm waves
Large waves actually improve on day two if refreshed right. Sleep with hair in a loose high bun or braided to preserve the wave pattern. In the morning, shake out, apply dry shampoo at the roots, and re wrap only the front sections and any flat pieces around the crown. A 32mm barrel re curls quickly since sections are large. Finish with a light texturizing spray rather than more hairspray to avoid buildup. Day two waves often look more natural and lived in than day one.
Protecting hair from large barrel heat
Large barrels tempt users to crank the heat because the curl feels looser, but the damage math is the same. Use the lowest temperature that holds your curl, always with a heat protectant containing silicones or polymers that buffer the heat. Titanium tools need extra caution on fine hair. Deep condition weekly if you heat style large sections regularly, and get trims every 8 to 10 weeks since large barrel styling shows split ends clearly. Healthy ends make 32mm waves look expensive; damaged ends make them look frizzy regardless of technique.
Recommended Products
These are the products our research team rates highest in this category.

Best for: Salon grade titanium curls at near 32mm size
Hot Tools Professional Titanium Curling Iron Wand 1 1/4 Inch HPK45
- 1 1/4 inch titanium barrel near 32mm
- Pulse technology for consistent heat
- Heats up to 430F quickly
- Separate on off switch with heat dial
Pros
- Titanium holds heat on thick hair
- Pro brand trusted by stylists
- Fast heat up saves time
Cons
- Not exactly 32mm if size is critical
- No auto shutoff on older design
- Gets very hot, glove advised

Best for: True 32mm ceramic waves and loose curls
L'ANGE Ondulé 32MM Ceramic Curling Wand
- True 32mm barrel for large curls
- Titanium coated ceramic surface
- Adjustable heat with LED display
- Cool tip and heat resistant glove included
Pros
- Exact 32mm size for the brief
- Even heat gives consistent waves
- Glove included for safety
Cons
- Premium price versus drugstore wands
- Large barrel tricky on short hair
- Learning curve without a clamp

Best for: Budget 32mm beach waves with bubble texture
Farery Bubble Curling Wand 32mm
- 32mm bubble barrel for textured waves
- Ceramic coating for smooth glide
- Two heat settings simple control
- Lightweight handle for long sessions
Pros
- True 32mm at a budget price
- Bubble shape creates natural texture
- Simple two setting operation
Cons
- Only two heat settings
- Bubble texture not for polished curls
- Basic build versus pro tools
Ready to Choose?
See our top product picks for hot tools 32mm, or jump straight to the head-to-head comparison of the two most popular options.