In a variety of excruciating disorders affecting the joints and muscles, Voltaren 12 Hours is used to relieve pain and minimize swelling and inflammation. Diclofenac, the active ingredient in Voltaren 12 Hours, is a member of the class of medications known as non-steroidal anti-inflammatory drugs (NSAIDs). Its improved skin penetration is a result of its specially developed formulation for skin rubbing. The active ingredient targets tissues that are deeply irritated. Adults and children 12 years of age and older are the target market for Voltaren 12 Hours. Use instructions: The Voltaren 12 Hours offers long-lasting pain relief for up to 12 hours when applied twice a day, in the morning and the evening, to the painful area. How is Voltaren 12 Hours applied? 1. Unscrew and take off the cap to remove the seal before using for the first time. To insert, twist, and extract the seal from the tube, use the cap's back side. 2. Apply a tiny amount of the gel, softly massaging it into the skin, to the sore or swollen area after gently squeezing it out of the tube. The amount required will vary based on how big the sore or swollen area is; generally, something between the size of a cherry and a walnut would work well.When you massage the gel in, you could get a mild cold sensation. 3. Wash your hands after applying the gel, unless the area being treated is your hands, to prevent unintentional contact with your lips and eyes.