I apologize in advance for this. It was just one of those things I had to do!
9. Hoping the Jem'Haddar will mistake him for a shape-shifter.
8. Went to a Bolian barber who took too much off the top and had to even it up.
7. Wanted Worf to feel welcome.
6. Mistook Captain Yate's Nair (hair remover) for shampoo after she spent the night.
5. Wondered if the reflection might brighten up his office.
4. Thought Odo needed an easier humanoid head to imitate.
3. Quark finally convinced him he could turn a tidy profit selling locks of the Emissary's hair to Bajoran religion adherents.
2. Kept dreaming of a big gun, a growling voice and the strange name, "Hawk."
And the number one reason Sisko shaved his head:
1. Figured that other bald actor's Star Trek show was a hit. It couldn't hurt.