Blanc de Meudon’ (“Meudon whiting”, a kind of crushed chalk) is one of the various names this product bears. It is also called Spain whiting, Champagne whiting, Troyes whiting, Toulouse whiting or more rarely ‘white polishing stone’. It is composed of Calcium Carbonate particles(CaCO3) which is the main component of chalk and limescale. Slightly alkaline and abrasive, it is traditionally used in paint manufactures, for housework and creative leisure activities. It is also used for polishing of silverware, earthenware, ceramic hobs and plastics. It is suitable for gold-plating activities, mirror polishing, as well as bleaching of footwear fabrics. Blanc de Meudon is a component of mastics, some sparkling waters and is sometimes used as incandescent powder for fireworks. It was formerly a tanning product for animal skins, before this activity stopped being a hand-made process. In addition to its environmental benefit, it does not imply any risk during use (contrary to products of the petrochemical industry) and is very cheap. Blanc de Meudon can be used pure, treated and/or mixed with different materials.


Environmental benefit

– Mineral ingredient almost inexhaustible, originating from natural quarries.
– Wide range of use.
– Non-toxic to humans, environmentally safe.
– Production and packaging in Western Europe.
– Recycled cardboard packaging.
– Low carbon footprint.


To create your own clay stone (hard surface cleaner). Mix 90g of ‘Blanc de Meudon’ with 60mL of black soap and a teaspoon of soda crystals. Pour the mixture in a pot and leave drying for 3 days under sunlight or near to a heat source. Once it becomes hard like a stone, you can use it to scrub and shine your surfaces.

There are many other different uses of the ‘Blanc de Meudon’. Click here for more information.