When it came to bathing in America, bars of soap reigned supreme for part of the 19th and much of the 20th century. But by the late 1980s, traditional solid bars of soap started getting some stiff ...

Soap scum is hardened residue from soap and minerals, but gentle cleaning can remove it without scratching glass. Clean while the shower is still steamy, using dish soap and a non-abrasive sponge to ...