Knowledge: The culture of ritualistic bathing was practiced in medieval Japan as part of religious ceremonies and were believed to have healing properties. In the middle ages in Rome, women employed various ingredients to change their hair color.

Conversation:
Hello, do you really have purple hair?
No, I don't. But it definitely stands out
Yea, it takes confidence to pull it off.
Indeed. Did you know the earliest records of hair coloring dates back to ancient Egypt?
No, I didn't know that. Where else was it practiced in the medieval times?

Response: In the middle ages in Rome, women used various ingredients to alter their hair color.