Invite calm and relaxation while soothing muscle aches with our Lavender bath saltHOW TO USE A BATH SALTPour salt into basin/tub filled with warm water enough to cover hands, feet or body. Soak for a total of 20 minutes. DID YOU KNOW?Bathing is an ancient therapeutic practice called balneotherapy. Romans recognized the importance of water therapy and even provided public bath houses for citizens. Many ancient cultures prescribed therapeutic bathing rituals to promote overall wellness and calm the skin.