Voltarol 12 Hour Joint Pain Relief Gel relieves pain, inflammation and swelling from painful conditions affecting the joints and muscles. **Benefits:** - Pain relief for swelling (inflammation) in muscles, back and neck - Active ingredient, diclofenac - Does not pass through the stomach like tablets - Penetrates deeply into the source of pain and swelling - Provides a cooling and soothing effect when applied to the skin - 30g tube Voltarol Joint Pain Relief Gel contains a non-steroidal anti-inflammatory drug called diclofenac to target the source of pain. The gel works by blocking the production of some of the body\'s chemicals that cause pain, tenderness and swelling and by relieving your pain, it helps restore your mobility, so you can continue to be active. When you apply the gel to the skin, you\'ll find it\'ll bring instant cooling relief that\'ll make it easier to go about your day.