This 2 oz sachet is easy to carry on trips and an affordable way to enhance your bath and sweating experience. Each sachet will last for 1 bath. Dr. Singhas Natural Therapeutics is a soothing, purifying, relaxing and gentle herbal formula. Contains: Certified Organic Mustard Seed Powder, Essential Oils of Eucalyptus, Rosemary, Wintergreen & Thyme and Gum Benzoin in a base of Sodium Carbonate.