Voltaren Pain Relief Gel 12 Hourly provides relief from muscle and joint pain* for up to 12 hours without a . Go about your day without any distractions from your pain management. For pain, swelling, and inflammation in muscles and joints, Voltaren Pain Relief Gel 12 Hourly has a dual benefit that relieves pain and reduces inflammation, to help get you moving again with a skip in your step and a smile on your face. It has a neutral smell and colour that doesn't bother you day or night. *joint pain from mild osteoarthritis of the fingers and knees