... Dead Sea products were deemed so valuable that numerous wars were fought for possession of the region. Queen Cleopatra, reputedly the most beautiful woman in the world in her day, was an ardent user of Dead Sea beauty formulations. Upon her request, Mark Antony conquered the entire area surrounding the Dead Sea for her. The last battle between the Romans and the people of Israel took place just off the western side of the Dead Sea, on Masada. Following the Roman conquest, historian Josephus Flavius noted that Roman travelers took back home as much Dead Sea salts as they could...

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Also Cleopatra's beauty secret, Jerusalem Post , Israel, Jan 29, 2004.

You can get Malki Dead Sea Natural Black Mud Mask Soap and Malki Dead Sea Natural Mineral Soap from Boots the chemist in the UK.   They are reputed to be good for eczema.