From the Manufacturer:
Lavender bath crystals from White Egret help balance, detoxify, and nourish the skin. These special bath crystals contain over 72 ionic trace minerals from Utah's great salt lake including minerals like magnesium, zinc, copper, and selenium. These ionic minerals and trace minerals together with natural organic lavender essential oils, help soothe, soften, heal, beautify, and improve the look and feel of skin. In addition, bath crystals are a great exfoliate to add to mud.