Since saltwater therapy has been used for centuries around the world, including ancient Greece, there is strong anecdotal evidence that it works wonders on the skin. A handful of studies have found that saltwater bathing is particularly effective for troublesome skin conditions, like psoriasis. Salt water is said to benefit your skin in the following eleven ways: Closes open pores, Soaks up excess oil, Balances oil production, Kills acne-causing bacteria, Diminishes scars, Heals scrapes and cuts, Exfoliates dead skin cells, Restores skin’s natural pH, Improves skin barrier function, Enhances hydration and Reduces inflammation.