- Voltaren Emulgel 12 Hours with the advanced gel formulation to get long-lasting back and joint pain relief. With 2.32% Diclofenac active substance which belongs to a group of medicines called non-steroidal anti-inflammatory drugs (NSAIDs) for back and Joint Pain Relief with double the strength compared to Voltaren Gel 1.16% for up to 12 hours of pain relief. Thanks to the gel’s triple effect, it relieves the pain by reducing inflammation and accelerates the natural healing process. After applying directly to the point of pain, the active ingredient diclofenac deeply penetrates into the back and joints. Unlike pills, Voltaren Gel works directly at the site of the inflammation and addresses the source of the pain whether it is lower back pain, knee pain, or any joint pain. The anti-inflammatory ingredient has a low distribution throughout your body, for a lower risk of systemic side effects vs oral NSAIDs. It’s clinically proven to be as gentle to your body and stomach as a non-medicated gel. Plus, Voltaren 12 Hour Emulgel comes with a fast cooling effect that helps put a skip back into your step. It's time to overcome lower back pain or joint pain, with the Voltaren 12 Hour gel. It is specially formulated for rubbing into the skin and has enhanced skin permeation. The active substance targets deep inflamed tissues.