'Snake fangs, when crushed, are an ingredient used in the preparation of some potions, like Herbicide Potion and the Boil-Cure Potion.', the girl said. After a short break, Gwendolyn added:' But for the Boil-Cure Potion we would need plenty of other ingredients, like Flobberworm Mucus, nettles, Porcupine quills'