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Each Thermophore® unit has a specially woven fleece cover. Between uses, this cover traps moisture from the atmosphere in the air spaces between the textile strands. Although the fabric does not feel wet, the application of quick, intense heat will generate this moisture into water vapor to increase the benefit of heat therapy. When activated, the Thermophore® heating unit becomes intensely hot very quickly. Through what is known as "hygroscopic action", the moisture moves away from the source of heat to the cooler body tissue. When properly applied, a light layer of moisture is produced between the Thermophore® unit and the body, to allow a deeper, more effective transfer of heat into painful areas. |
