Question: what is the best dry shampoo for greasy hair?
Answer: Best Overall: Living Proof Perfect Hair Day (PhD) Dry Shampoo. ... 
Best Budget: TRESemmé Between Washes Volumizing Dry Shampoo. ... 
Best Drugstore: Batiste Dry Shampoo. ... 
Best Volumizing: Dove Volume & Fullness Dry Shampoo.