Pearl powder was the Chinese imperial family's dental care product for thousands of years. Chinese emperors, empresses, and royalty took pearl powder internally and externally brushed their teeth with it for stronger and whiter teeth.
It is recorded history that Egyptian queen Cleopatra took pearl powder internally for beauty.
In Mayan ruins, archaeologists discovered human teeth that were more than 1,000 years old, which had pearl fillings in the cavities. To their...