Final answer:
Ancient Egyptians historically used abrasive materials like pumice stones for hair removal.
Step-by-step explanation:
Historically, Ancient Egyptians used abrasive materials such as pumice stones to remove hair. The Ebers papyrus from ancient Egypt mentions the use of alkaline salts and oils to create a soap-like substance, which was also used in the preparation of wool. This indicates that the Egyptians were familiar with using abrasive materials for hair removal.