Voltarol 12 hour emulgel 50g can provide you with long lasting fast acting pain relief it is suitable to be used on a variety for injuries such as inflammation joint and muscular sprains and strains as well as bruises it provides up to 12 hours of pain relief so you can move around comfortably and be at ease all day long emulgel technology the emulgel technology helps the gel to penetrate deeply into the skin and enhance the effect of its anti inflammatory properties to the point of pain