This would come with all the complexity of a TD formulation with the added challenge of producing a "solid stick" like consistency. This would also come with potential heat from the feds depending on how it was marketed. It would also have to work as peoples anti-antiperspirant/deodorant if it was going to take up the real estate in that region. This is a TON of hurdles with very little market and potential pay off.
Axim the testosterone version of this is not as popular as other topicals.
To answer your question yes doable, but most likely not worth it.