Do you think Kusuriuri has some kind of connection to Egyptian mythos?
This mostly pertains to Ri-Kusuriuri from the 2007 anime, but I found some influences in Kun-Kusuriuri from the 2024 movie as well.
Kohl makeup resembles the medicine seller's eyeliner. The lines extending from that eyeliner resemble the eyes of Ra and Horus representing the sun (Yang) and moon (Yin) respectively.
That's just scratching the surface. More thoughts below the cut!