Go for 15 ml.

The remedy of purification and cleansing (physical, psychic and spiritual). For when there is a continuous need for cleaning, both personal (corporal) and external (house, environment).

For very sure people of themselves, dominant and authoritarian, the skipper in command of the ship. I came not trying to dialogue or convince as vervain, but it imposes.

For feelings of guilt, self rebukes and remorse.

When you're scared without knowing why or what. For irrational fears, apprehension, false feeling, concern and inexplicable anxiety.