The twins seemed indecisive, faced with a stormy face and burning red eyes. Only one wizard in their world had those distinctive features. Once more, it was the Longbottom heir who rose to the occasion, "Experimental. It was an acidic reaction, based on Melianthus major ... honey bush instead of silver leaf caused a violent reaction. Though Harry washed it off, I suggest cleansing him with raw cow or better, goat's milk. If you have an extensive amount of green tea, cook him up a bath."