Foamless and ingestible toothpaste developed for space flight by NASA in the 1960s. First used by the Apollo 10 crew.
https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...173#post161167
https://www.homemadetools.net/forum/...941#post133733
https://www.homemadetools.net/forum/...600#post132601
https://www.homemadetools.net/forum/...193#post115877
https://www.homemadetools.net/forum/...399#post116798
