... hot use after pre-cooling or pre-heating trement. Application Cold compress: headache, fever, toothache, sunstroke, scald, muscle scuffing, ... sprain, trauma homeostasis, beauty etcHot compress: arthritis, rheumatism, stomach trouble, cervical vertebra trouble, sciatica, ... is for external use onl.if contact with eyes, please rinse thoroughtly with water.2.In order ...