| 摘要 |
PROBLEM TO BE SOLVED: To provide a carbonic acid sheet mask which is a sheet-like structure used by application on the skin, produces carbonic acid gas when it is supplied with water-containing composition at the time of use, has an excellent effervescent properties, blood flow improving effect, and safety.SOLUTION: The invention provides a carbonic acid sheet mask having a triple-layer structure consisting of a processed hydrophobic sheet, a non-aqueous composition that is a mixture of carbonate or hydrogen carbonate and an acidic substance, and a sheet with water permeability; and further wherein the carbonate or hydrogen carbonate, and acidic substance are mixed homogeneously at a molar ratio of 1:0.2-1, and the acidic substance is a crystalline with a mean particle diameter of 0.1-3.0 mm, or an aggregate of crystals. |
