What Is Infrared technology? How Infrared Heat Works (and Which Tool to Choose)

Not all heat is created equal. Traditional styling tools heat the surface of your hair. Infrared heats hair from within, so hair styles more evenly with gentler heat. Here's what that means for your hair, and how to pick the right BondiBoost infrared tool.

How infrared works

Infrared is a type of light energy. Instead of blasting the outside of the hair, it warms hair from within. That means heat spreads more evenly, so you can often style at lower temperatures.

What it means for your hair

  • Gentle heat, better results. More even, efficient heat lets you style at lower temperatures.
  • Less frizz, more shine. Infrared helps smooth the hair cuticle for a sleek, glossy finish.
  • Less damage. In testing, the Infrared Thermal Bounce Brush caused less damage than traditional heat.*

The results

After one use of the Infrared Thermal Bounce Brush, testing showed +67% volume and -35% frizz.*

Which infrared tool is right for you?

Tool Use on Barrel Heat Best for
Infrared 2-in-1 Damp and dry hair 2.2 in. (55mm) 350°F, 400°F, 450°F + 3 airflow speeds All hair types, especially thick, coarse or frizz-prone hair
Infrared Thermal Bounce Brush Dry hair only 42mm Adjustable, up to 450°F Shorter or finer hair
Long Barrel Infrared Thermal Brush Dry hair only 42mm, 5.7 in. long Adjustable, 275°F–450°F Longer hair

If you want to go from damp to styled with one tool, choose the Infrared 2-in-1. If you already blow-dry and just want to smooth and shape, choose a thermal brush.

Heat guide for the thermal brushes

Hair type Heat
Fine, thin or delicate 275–350°F
Medium or textured 375–400°F
Thick or coarse 425–450°F

Start at the lowest temperature for your hair type and increase only if needed.

*Based on instrumental testing on hair tresses with the Infrared Thermal Bounce Brush.

Learn more: Infrared technology page · Meet the Infrared 2-in-1

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