Living Proof Travel Size PhD Advanced Clean Dry Shampoo

This advanced dry shampoo helps remove oil, sweat, and odors while adding softness and natural shine for that fresh-out-of-the-shower feel. Give hair that's already in good shape a full-on doctorate with Perfect hair Day (PhD). The PhD collection delivers the five hallmarks of healthy hair -smoothness, volume, conditioning, strength, and polish - all while helping strands stay cleaner for longer.