How will I know whether or not ThermaCare® has heated up to the correct temperature? How long does it take for ThermaCare® to warm up?

ThermaCare® has warmed up when it feels warm to the touch. Extensive testing has shown that ThermaCare® heats to about 104°F (40°C) within 30 minutes and maintains this temperature for 8 hours.

Category: 
Product Type: