Protect your hair while achieving salon-quality blowouts with Paul Mitchell Neuro Style Prime HeatCTRL Blowout Primer. This lightweight travel-size formula shields strands from heat damage up to 450°F, while smoothing the hair cuticle for a sleek, polished finish. The innovative HeatCTRL technology locks in moisture and reduces frizz, giving you professional results at home. Perfect for on-the-go styling or testing this cult-favorite primer before committing to the full size. Transform your blow-dry routine with this essential heat-protection step.