Barrel Size Guide
Blow-Dry Brush Barrel Size Guide
The barrel size you choose shapes your whole look — from tight, bouncy curls to loose, voluminous waves. Here's how to pick the right size for your hair.
The quick rule
- Smaller barrels = tighter curls and more volume — ideal for shorter or finer hair.
- Larger barrels = looser, bouncy waves and big, soft volume — ideal for longer hair.
Match it to your hair length
- Short hair (above the shoulders): mostly small barrels for grip and volume.
- Medium-length hair: small and medium barrels — curls one day, soft waves the next.
- Long or thick hair: medium and large barrels for that loose, bouncy bend that lasts.
Still not sure? Take the 90-second quiz
Answer a few quick questions and we'll match your hair length and type to the perfect set and barrel sizes.
Take the quiz →Want to go deeper? Read how to choose the right barrel size, or shop all blow-dry brush sets.