Mudpack is a skincare regimen that involves applying a mixture of mud and herbal ingredients to the face and body. However, there are several other synonyms for mudpack that people use commonly. For instance, the more formal term for a mudpack is a "facial mask." It is also common to hear the term "clay mask" used instead of mudpack. Some beauty aficionados call the practice a "mud treatment," while others use the term "facial spa treatment." In summary, mudpack has many synonyms depending on the audience, and each term represents the same beauty treatment with varying connotations and cultural background.