< Topic >It is low, offer one medicine type skin external use medicine which possesses the blood circulation promotion action where at cost, the user is easy to handle, plate being attached impression and the flap falling there is no the satisfactory use impression possesses, the retention quantity of carbon dioxide is high, at the same time is superior. SolutionsAt least, reacting with the acidic substance and the aforementioned acidic substance of solid condition, it contains the carbon dioxide occurrence substance and the thickener of the solid condition which generates carbon dioxide, the water it is not included and when using being one medicine type skin external use medicine which is mixed with the moisture, in all the skin external use medicines, the aforementioned thickener 12 - 45 mass % with features that it is included. < Selective figure >It is not【課題】低コストで、使用者が取り扱いやすく、ざらつき感や垂れ落ちが無く良好な使用感を有し、炭酸ガスの保持量の高く、且つ優れた血行促進作用を有す一剤型皮膚外用剤を提供すること。【解決手段】少なくとも、固体状の酸性物質、前記酸性物質と反応して炭酸ガスを発生する固体状の炭酸ガス発生物質及び増粘剤を含有する、水を含まず使用時に水分と混合する一剤型皮膚外用剤であって、全皮膚外用剤中、前記増粘剤が12~45質量%で含まれることを特徴とする。【選択図】なし
