METHOD FOR KEEPING WARMTH IN FOOTBATHING, AND SOLID BATH AGENT FOR KEEPING WARMTH IN FOOTBATHING

摘要

PROBLEM TO BE SOLVED: To provide a method for keeping warmth in footbathing and a solid bath agent for keeping warmth in footbathing which is called as a carbonic acid gas bath agent or a bath agent, used for bath, shower, shampooing, aesthetic or the like, and has excellent cleaning power of mineral stain.SOLUTION: In a solid bath agent containing bicarbonate (sodium hydrogen carbonate or potassium hydrogen carbonate) and organic acid, PH of aqueous solution immediately after dissolving the solid bath agent is 5.5 to 9.0, and the agent does not contain bicarbonate ion blocking substance, in which the organic acid is at least one of citric acid, fumaric acid, succinic acid, malic acid, and the agent contains anhydrous sodium carbonate and/or anhydrous potassium carbonate, foot is soaked into hot water in which the solid bath agent is dissolved, bicarbonate ion in hot water is prevented from being blocked by the bicarbonate ion blocking substance, and long-lastingness in warming effect of a skin surface of a foot is obtained.SELECTED DRAWING: None