Green or brown hair?! Don't you dare speak that into existence, Eddie!

[ As easily as Hilda can throw on the drama at the flip of a switch apparently the thought of either of those outcomes is enough to draw a genuine reaction from her. Her pink hair is as much of her as Eddie's wild hair is him. Hilda's gaze immediately skips towards the sparkling potion in her hand that swirls and dances as she jostles it.

For the first time since entertaining this idea she seems to have a split second of worry. ]

Our hair changing colours is definitely a possibility. [ But back to his original question - ] Do you think the two effects would just take effect?