The sault content of Dead Sea is as high as 35 percent, which is 10 times as salty as the average ocean. This high salinity of Dead Sea makes the human body highly buoyant. Thats why we are able to float in the Dead Sea so effortlessly.
The main water source into the Dead Sea is " The Jordan River". Due to high temparature in this region, as the water evaporates, minerals are left. In fact, many people visit the Dead Sea for its therapeutic mud and salt water. Many people suffering from skin conditions such as eczema and psoriasis have claimed to experience relief after spending time in the sea.
Due to high sault content, accumulations of salt crystals are visible in Dead Sea which is often called pillars throughout the sea.