Indulging in a warm bath of salt crystals and essential oils after a workout helps release lactic acid which builds up during physical activity causing muscle ache. The penetrating action of essential oils helps stimulate the elimination of waste products. Available in 1 lb and 8.5 lb sizes. Ingredients: Sea salt, sodium bicarbonate, lemon oil, rosemary oil, eucalyptus oil, tocopherol. 100% Natural