Suited to anyone blow-drying their hair who wants more shape, smoothness, or curl than a flat paddle brush provides — from stylists doing salon blowouts to home users styling their own hair. Barrel size should match hair length and the desired result: smaller barrels (S/M) suit shorter hair or tighter curl and root lift, while larger barrels (L/XL) suit longer hair or a smoother, looser finish. Getting the best results takes some coordination with a blow dryer, so it's more approachable for someone with at least basic blow-drying experience than a complete beginner.

The reason to pick this over a plain plastic or wood-barrel round brush is the combination of the heat-conductive aluminum barrel and the Express Ion Complex bristles: the barrel itself helps carry dryer heat into the hair to set shape, while the bristle technology is intended to cut drying time and static compared with a standard round brush. Having four sizes also means it can do double duty — smaller barrels for curl and volume, larger ones for smoothing — without needing an entirely different tool category.

Used with a blow dryer on damp, not soaking-wet, hair.

• Section dry or towel-dried hair into workable panels
• Place a section around the barrel near the roots and apply gentle tension while rotating the brush
• Follow the brush with the blow dryer, moving it along the barrel and keeping it a few inches from the hair
• Hold the shape briefly as the barrel cools before releasing, then move to the next section

Pros

• Aluminum barrel heats up during blow-drying to help set curl, bend, or smoothness faster than a non-thermal brush
• Four barrel sizes let it be matched precisely to hair length and desired curl tightness
• Vented design and Express Ion Complex are built to speed drying time and cut down on static and frizz

Cons

• Requires a separate blow dryer to work — it has no heating element of its own
• The metal barrel can get quite hot, so it takes some care and practice to use safely close to the scalp