Master-Aid Sport Cold Hot Pack Pad contains propylene glycol, carboxymethylcellulose, dye, and water. It retains heat (when used for hot therapy) or cold (when used for cold therapy). Its action lasts approximately 30 minutes. Cold therapy: sprains, muscle injuries, toothache, headache, fever, insect bites, minor burns; Hot therapy: rheumatism, arthritis, muscle aches, sciatica, back pain, menstrual cramps, headaches.
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