Bumble and Bumble Bb. Thick Go Big Plumping Treatment

This strand-plumping hair treatment expands individual strands while conditioning and moisturizing hair for soft, moveable volume that lasts all day. The leave-in treatment provides all-day frizz reduction, strengthening against breakage, and protecting hair from heat styling. Just shake and spray to see the volume for yourself—the proof is in the plumping.