Baking soda, vinegar, and dish soap can cut through the stubborn residue. If even after scrubbing your shower there’s a white residue lingering, it may be soap scum. While soap is meant for cleaning, ...

Nothing about soap scum feels clean. The name is somewhat of a misnomer because soap only makes up part of this sticky grayish or yellow substance. Soap scum forms when the minerals in hard water ...