Short answer: The Dead Sea is Earth's lowest point of dry land, about 439 meters (1,443 ft) below sea level, and one of its saltiest bodies of water, roughly 34% salinity, about 9.6 times saltier than the ocean. What makes it matter for skin is not ordinary table salt but a mineral mix dominated by magnesium, calcium, and potassium chloride, with the highest bromide concentration of any water on Earth. Combine those minerals with a below-sea-level climate that softens the sun's burning UVB rays, and you get the real, evidence-backed core behind the "beauty and wellness secrets" reputation, distinct from the folklore that often surrounds it.
The science: what actually sets Dead Sea water apart
Ordinary seawater is about 85% sodium chloride, the same compound as table salt. Dead Sea salt is chemically different: roughly 50.8% magnesium chloride, 14.4% calcium chloride, and 4.4% potassium chloride, and it holds the highest bromide level of any water on Earth (Wikipedia: Dead Sea). Magnesium, calcium, and potassium are exactly the minerals modern brands cite for hydration and skin-barrier support. One popular claim to retire: "iodine" is not a signature Dead Sea mineral, and sodium is actually a smaller share here than in normal seawater. The distinctive halogen is bromide. At about 34.2% salinity (measured in 2011), roughly 9.6 times as salty as the ocean, the water is dense enough to float a bather and concentrated enough to leave those minerals on the skin.
The geography: the lowest place on Earth, and a softer sun
The Dead Sea shore sits about 439.78 meters (1,443 ft) below sea level, the lowest dry land on the planet (Wikipedia: Dead Sea). That depth matters for skin, because the extra atmosphere overhead filters ultraviolet light so that the more burning UVB wavelengths arrive weaker. Dermatologists have used that natural filter for supervised sun-and-sea "climatotherapy," and mineral bathing known as "balneotherapy," to treat psoriasis and related conditions. There is evidence that the unique attenuation and spectrum of the region's UV rays contribute to effective psoriasis treatment, and that Dead Sea mud packs can temporarily relieve osteoarthritis knee pain, which grounds the wellness reputation in more than folklore.
The history: ancient fame, honestly told
The region's link to beauty and healing is genuinely ancient, though marketing often embellishes it. In antiquity the Dead Sea was prized less for skincare as we would frame it today and more for its asphalt, or bitumen, harvested from the water and exported to Egypt for mummification, and for the balsam groves near Jericho and Ein Gedi, a luxury perfume and medicine crop (Wikipedia: Dead Sea). Cleopatra is historically tied to that trade: Arab tradition credits her with transplanting balsam to Egyptian gardens, and the groves later became a lucrative source of Roman imperial revenue (Wikipedia: Balm of Gilead). The widely repeated line that she personally bathed in the Dead Sea for beauty, however, is legend rather than recorded fact. The modern mineral-and-mud industry is a distinctly Israeli enterprise: AHAVA Dead Sea Laboratories was founded in Israel in 1988, reported nearly $150 million in annual sales by 2009, and as of 2010 was the only cosmetics company licensed by the Israeli government to mine raw materials at the Dead Sea (Wikipedia: AHAVA).
Bringing the Dead Sea into your routine
You do not have to travel to the shore of the Jordan Rift Valley to put these minerals to work. Salts, mineral mud, serums, and creams made from Dead Sea raw materials carry the same magnesium, calcium, potassium, and bromide chemistry into a home routine. The honest way to shop is to look for genuine mineral sourcing and to keep expectations on evidence-backed ground: real mineral content and, for specific skin conditions, supervised care, rather than vague promises of eternal youth. That authenticity is part of the appeal, since the modern Dead Sea industry is Israeli-built, and buying from the source ties a daily ritual back to the land where these minerals come from.
From the Dead Sea to your bathroom shelf. Explore mineral mud, bath salts, facial serums, and moisturizers drawn from the region in our Dead Sea skincare collection, an authentic piece of Israel for everyday self-care.
Related
- The benefits of Dead Sea salt
- Why is the Dead Sea so salty?
- Benefits of Dead Sea skincare products from Israel
Last updated July 2026.