DUL-X Gel-Cream Back Relax 75 mlWorks quickly for pain and tension in the back and small of the back. DUL X Gel Crme Back Relax is a gel cream with natural, essential oils for external use. The gel cream initially cools the skin for a short time, which immediately relieves acute pain. The body then compensates for the resulting cooling locally through increased heat production. This heat effect supports blood circulation, which in turn helps to loosen tight muscles and tension. The