Haha, ok. That works. 

The reason why my character can't use weapons (even though they are available to her) is because of the style itself. There is literally no room or time to use a weapon unless it is already attached to you. Not to mention the havoc and injuries an attached weapon could do to the user. Capoeria consists of a lot of movement and acrobatics...a lot of spinning. They could literally hit themselves in the face with it XD. Gauntlets or gloves will be best used for weapons.

And yes, using powder would require some alchemy knowledge (hence why it is unlockable) Easily hidden and applied, a powder would be rather useful for a capoerista to use since nearly every motion can be used to throw, punch, or kick it into the opponent's face. a small pocket of it can be hidden on her person without affecting her weight.