Will not using hair products such as gel, hair spray or hair grease prolong baldness?

I doubt it, nothing is going to stop your hair from falling out. But I am not 100% sure.

Will not using hair products such as gel, hair spray or hair grease prolong baldness?

Yes, the gel and such products strain your hair, often dry them out and they break because they are weak, deep strenghtning conditioner might help.

Will not using hair products such as gel, hair spray or hair grease prolong baldness?

Doubt it! :D