bath soap
Names: bath soapsoap
First appears in Book 3: Death's End, chapter 54 (Broadcast Era, Year 7 Yun Tianming’s Fairy Tales)
Appearances
B1
B2
B3
What you know
Book 3: Death's End
- Ch 54A Common Era bar made by the Nice Group, bought from a museum at a huge price, it still gives off a faint fragrance.
- Ch 54Dissolving soap lowers the water's surface tension behind a paper boat, and the unchanged tension in front pulls the boat forward.