Olive tree civilization is at least 10.000 years old in Near East.
But evidence of possible and probable existence of olive oil soap we can argue only in 2.700 B.C. Ebla tablets.
A new, huge, both economic and spiritual outburst we have from the II to VII C.E., when in Syria the first Christian civilization raised to unsurpassed wealth.
Today also, a never seen before economic boom is bringing back to Europe the most biological amongst soaps, similar to the lost Marseille one, but better and cheaper, that is stepping into the big store even.