Visiting a mud bath spa presents a paradox. How do you bathe in something that makes you dirty? And more importantly, why would you? The short answer: spending some time up to your neck in mud can be good for your skin. The longer answer, however, is a bit more nuanced and involves a closer look at fangotherapy—treatments that involve mud. Read on to learn some key mud bath facts, which may convince you to act like a pig at your next spa visit.