Marseilles soap

Marseilles soap

[mär′sā ‚sōp]
(materials)
A castile soap to which is added olive oil and soda.
References in classic literature ?
These Marseillaises make Marseillaise hymns and Marseilles vests and Marseilles soap for all the world, but they never sing their hymns or wear their vests or wash with their soap themselves.
Shoppers can choose from a host of fresh goods and crafts including cheeses, sweets, meat, olives and Marseilles soap.