How to Use a Dryer Brush | Secrets to Smooth, Voluminous Hair

A dryer brush is a heated styling tool that dries, smooths, and shapes towel-dried hair as you brush through it. The key to a good result is starting with hair that is about 60–80% dry, not soaking wet. You’ll want to work in small sections, move the brush slowly from roots to ends, and use a cool shot to set the style. The payoff is volume, smoothness, and shaped ends that look professionally finished.

How Dryer Brushes Work

A dryer brush, also known as a hot air brush, combines a round or paddle brush with a heated barrel that blows warm air. As you glide it through your hair, the heat and air dry each section while the brush’s shape creates tension to smooth the cuticle and add shape. It’s a two-in-one tool that cuts down on the time and effort of using a separate blow dryer and round brush.

Dyson’s guidance on picking the right brush notes that the barrel size and shape matter. A round brush creates a bouncy, voluminous blowout, while a paddle brush creates a smooth, sleek finish. Knowing your hair type and goal helps you choose which type of brush to use, whether your tool has one attachment or several.

Step-by-Step Technique for a DIY Blowout

The core technique comes down to preparation, sectioning, and slow, steady passes. You can achieve either volume or smoothness depending on how you hold and angle the brush.

Prep Your Hair

• Wash and condition your hair as usual.
• Towel-dry with a microfiber towel or a cotton t-shirt to remove excess water. This cuts down on frizz and drying time. Your hair should be about 60–80% dry before you start.
• Spray on a heat protectant over your hair. This is non-negotiable; it shields your strands from heat damage.
• Clip or tie up the top half of your hair so you can focus on the bottom layers first.

One of the most common mistakes is starting with hair that is too wet. Using a dryer brush on soaking-wet hair not only takes longer, but it can also cause extra frizz and unnecessary heat exposure. If your hair is very thick, you might want it closer to 50% dry.

Dry Section by Section

• Take a small section of hair—about one to two inches wide. Larger sections are a common mistake that leads to missed spots and uneven drying. Keep your sections small so the heat and airflow actually reach every strand.
• Place the brush at the roots and glide it slowly down to the ends. Keep the brush moving to avoid overheating any one spot. Moving too fast won’t dry the hair properly; moving too slow in one area risks heat damage.
• For volume, put the brush under the section at the root and lift it slightly, sweeping upward as you dry. Work from the nape of your neck upward, drying the underside first. For a sleeker finish, hold gentle tension and glide the brush over the top of the section from root to tip.
• To shape the ends, rotate the brush inward for a curled-under look or twist it outward at the ends for a flicked-up style. Keep the brush vertical for straighter ends.

Work your way from the bottom layers to the top, so every section gets the same attention.

Finish With Cool Air

Once your hair is completely dry, switch to the cool-shot setting if your tool has one. Running cool air over each section helps set the style and lock in the shape, giving you longer-lasting results. Finish with a light hairspray if you want extra hold.

Common Mistakes and Safety Tips

Getting a smooth blowout comes down to avoiding a few common pitfalls.

• Don’t skip the heat protectant. It’s the single best defense against heat damage, especially for fine or fragile hair.
• Don’t use sections that are too large. Big sections dry unevenly and leave you with frizzy, half-done hair.
• Don’t hold the brush still. Keep the barrel moving in slow, steady passes. Never leave the heated surface lingering at the roots or against your scalp for more than a moment—this can cause scalp burns or singeing.
• Don’t overdo product. Heavy creams or oils applied before drying can weigh hair down and make it look greasy at the roots. Use a light hand.

For fine or damaged hair, start with a lower heat setting. Your best guide is the instruction manual for your specific tool—every dryer brush has slightly different heat levels and recommended usage times.

If you’re ready to upgrade your tool, our roundup of top-rated dryer brushes for home use covers the best options for different hair types and budgets. A quality brush holds heat evenly and makes a noticeable difference in your results.

Marie Claire’s dryer brush routine guide covers similar ground, emphasizing the importance of always keeping the brush moving through the hair to prevent hot spots. World of Woman and Home offers a similar section-by-section approach, reinforcing the benefits of a microfiber towel to remove excess moisture before you ever pick up the brush.

FAQs

How long does it take to dry hair with a dryer brush?

It usually takes about 10 to 20 minutes, depending on your hair’s length, thickness, and how much water you remove beforehand with the towel. Pre-drying with a microfiber towel or letting hair air-dry to the 70–80% mark cuts your styling time considerably. Thick, coarse hair takes longer than fine hair.

Can you use a dryer brush on soaking-wet hair?

No, you should not use a dryer brush on soaking-wet hair. Your hair should be about 60–80% dry. Starting on wet hair can increase frizz, take much longer, and expose your hair to prolonged heat. Use a towel to remove excess water, and let your hair air-dry for a bit first if it’s dripping.

What’s the difference between a dryer brush and a regular hair dryer?

A regular hair dryer has a separate nozzle and requires a round brush in your other hand to style. A dryer brush combines the heat source and brush into a single tool, letting you dry and style simultaneously with one hand. This design is faster and easier for at-home use, though it can require more heat exposure on each section.