Dead Sea 342 parts per thousand (in 2002), and a temperature that swung between and . Underneath a zone of transition, the lowest level of the Dead Sea had waters of a consistent temperature and complete saturation of sodium chloride (NaCl). Since the water near the bottom is saturated, the salt precipitates out of solution onto the sea floor. Beginning in the 1960s, water inflow to the Dead Sea from the Jordan River was reduced as a result of large-scale irrigation and generally low rainfall. By 1975, the upper water layer was saltier than the lower layer. Nevertheless, the upper layer remained
Dead Sea products consumers and human rights groups have endorsed boycotts of Dead Sea products and other materials made in or along the West Bank of the Dead Sea, citing concerns such as blatant violation of human rights in Israel or of certain companies being "economically linked to Israel’s illegal occupation of the Palestinian territories.” Dead Sea products Dead Sea products refers to cosmetic products based on materials extracted from the Dead Sea, such as salt, mud, and potash. Ziva Gilad, a spa technician, came up with the idea of marketing Dead Sea mud after watching women tourists scooping up the mud to