•	that the Sumerians valued soap as a healing and cleansing agent as long ago as 3000 BC?
	•	that the Gauls introduced the Romans to soap in the 5th century AD?
	•	that Marseille was the “soap capital” of Europe in the 9th century?
	•	that “real” soap was born in 1302, when it was first made with vegetable fats (today mainly animal fats are used for soap making)?
	•	that it was Louis XIV who issued the formulation for making “Marseille soap”, specifying that it must contain at least 72% olive oil?
	•	that traditional alkaline soap is almost 100% biodegradable?