Catering specifically for dehydrated hair, Paul Mitchell's Neuro Heat CTRLâ„¢ Treatment provides advanced thermal protection & intensive repair to restore smooth, glossy locks. Powered by breakthrough Heat CTRLâ„¢ technology, the professional-quality formula conditions & hydrates stressed strands; it delivers long-lasting moisture, whilst defending against the damaging effects of heat styling tools. Hair feels soft, smooth & rejuvenated with mirror-like shine & a salon-worthy finish. Not tested on animals.