Soap has a nasty way of forming a hard-to-remove film on tile in tubs and showers. You won't get rid of it by rubbing. Instead, wait for the surface to dry, then scrape off the scum with a 4-in. plastic putty knife. For grout lines and textured surfaces, use a Mr. Clean Magic Eraser.
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on and what makes them so magical
To prevent soap scum buildup, stop using real soap and start using a synthetic. Chemically speaking, any soap in a liquid or gel form, and some bar soaps (Zest and Ivory), are actually synthetic soaps and much less likely to leave a tough film in your sink, shower or tub.
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