Bumble and bumble. Thickening Blow-Dry Prep Spray

This lightweight thickening pre-styler spray boosts hair thickness before you blow-dry to help you achieve your lushest, voluminous blowout. Ideal for Fine to Medium hair types looking for voluminous blowout.

Our Pros say it's their "must-have", a lightweight pre-styling blow-dry spray to thicken hair before your blowout.

Spray onto damp hair, then blow-dry. For targeted hair thickening our Pros love targeting the roots.