Salt is a natural disinfectant with preserving and antibacterial properties, it has been used in medical practices for hundreds of years according to a review published in the Environmental Engineering and Management Journal. Even today, you probably participate in some form of wet salt therapy without knowing it. Whenever you gargle with salt water, use saline to clean your nose, or exfoliate with a salt scrub, you’re engaging in a form of wet salt therapy.
Dry salt therapy, which is also known as halotherapy, is a little less common—and less understood. It typically involves dispersing small particles of salt into the air, allowing people to breathe it in. The most common forms of halotherapy involve salt beds and salt rooms.
But why is halotherapy so popular? And is it even effective?