plural of soap pad

The buildup of insoluble calcium or magnesium fatty acids from the use of soap with hard water, which leads to a dulling of surfaces and acts as a matrix for trapping soils.

An ivory-coloured, almost scentless Castile soap produced in Nablus in the West Bank, Palestine, using virgin olive oil.

Castile soap

(organic chemistry) Any salt of a mahogany acid, typically used as a surfactant

A type of antiseptic soap designed for use in hospitals.

A kind of perfumed brown toilet-soap.

An oxide of manganese and other substances used by glassblowers to remove colouring from glass.

(archaic) Common soap composed of tallow, resin, and soda.

plural of soap pan