... to 20 hours , Heating time is long and stable,generally for 12 hours,The average temperature is about 53 °C,and ... ,non-toxic side effects, air-activated and environmental protectionApplication(1) Cure pain, anaesthesia and tumidity caused by rheumatism, arthritis, acne, job ... mouth or eyes5.Take it under the guidance of supervisor for Minors, the elderly and those without self-care ability6.Pregnant ...