Question 1

Which is better, Dyson Supersonic or Bio Ionic 10X UltraLight Speed Dryer?

Accepted Answer

Based on our testing, the Dyson Supersonic scores higher overall at 8.8/10. The Dyson Supersonic scored 8.8/10 and the Bio Ionic 10X UltraLight Speed Dryer scored 8.6/10 in our Best Hair Dryers with Diffuser 2026 evaluation.

Question 2

Is the Dyson Supersonic worth it over the Bio Ionic 10X UltraLight Speed Dryer?

Accepted Answer

The Dyson Supersonic scores 8.8/10 while the Bio Ionic 10X UltraLight Speed Dryer scores 8.6/10. The Dyson Supersonic is our "Best Overall" pick in the Best Hair Dryers with Diffuser 2026 category.

Dyson Supersonic vs Bio Ionic 10X UltraLight Speed Dryer: Which to Buy?