Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Hygiene:

"

In the 9th century, Ziryab invented a type of deodorant to get rid of bad odors.[11] He also promoted morning and evening baths, and emphasized the maintenance of personal hygiene. Ziryab is thought to have invented a type of toothpaste, which he popularized throughout Islamic Iberia.[12] The exact ingredients of this toothpaste are not currently known,[13] but it was reported to have been both "functional and pleasant to taste."[12]