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  Beauty insiders are buzzing about the rejuvenating benefits of salt therapy. By Emily Dudding Apr 28, 2015 Tom Schirmacher I lie completely naked under a plastic dome while a tiny machine pumps microscopic particles of pharmaceutical-grade salt into the air. I can't see it or smell it—it's only when I lick my hand and taste the salt film that I'm sure something is happening. It's my first time on a dry-salt bed, but I may be hooked. While nutritionists pepper us with dire warnings about the health risks of eating too much salt, salt aficionados of an entirely different breed are touting the little crystals as a cure for asthma and allergies, a boost to the immune system, and a way to increase athletic endurance and even to add a glow to your complexion. The secret? Skip the shaker in favor of inhaling the "Salt has incredible qualities," says Ulle Pukk, a cofounder of the  Salt Therapy Associatio...