From the Manufacturer's Label:
From Utah's ancient inland sea, the Great Salt Lake*
A rapidly absorbed topical spray
All Natural and Concentrated
*The Great Salt Lake in Utah is a mineral-rich inland sea and is a remnant of the ancient Lake Bonneville, the largest lake of the last Ice Age. Its waters are 11 times more concentrated than seawater and contain over 72 naturally occurring ionic trace minerals.
Manufactured by White Egret.