Get relief from the effects of radiation therapy with the Radx line of non-prescription skin care products from SolRx. They have been tested in several hundred cancer treatment facilities throughout the United States with exceptional results. The Radx Radiation Therapy Cream contains organic aloe and 2% Lidocaine. It helps heal burning, irritation, redness and general skin breakdown as well as replenish moisture and contribute to skin regeneration. 2 oz tube.