- a cosmetic astringent paste containing fuller's earth, used to improve the complexion
WordReference Random House Unabridged Dictionary of American English © 2020
mud•pack (mud′pak′),USA pronunciation n.
- a pastelike preparation, as one consisting of fuller's earth, astringents, etc., used on the face as a cosmetic restorative.
- mud + pack1 1930–35
Collins Concise English Dictionary © HarperCollins Publishers::
mudpack /ˈmʌdˌpæk/ n