Question: how to not wash your hair after working out?
Answer: Dry shampoo. The holy grail of sweaty hair. ... 
Texturizing spray. A good, sweaty workout can destroy even the most perfect blowout. ... 
Wear a sweat band. ... 
Think beyond the pony. ... 
Hair ties that don't crimp. ... 
Use the right brush. ... 
Just rinse it.