| 摘要 |
PROBLEM TO BE SOLVED: To obtain a washing agent composition which can give an excellent fresh touch without giving a tensive touch and a squeaky touch, after used for washing, by including a specific amount of an alkali metal (bi)carbonate in a washing agent composition containing a specified higher fatty acid salt. SOLUTION: This washing agent composition contains an 8 to 22C higher fatty acid salt. The characteristic of the washing agent composition comprises further including an alkali metal bicarbonate and/or carbonate (for example, sodium bicarbonate, sodium carbonate or sodium sesquicarbonate) in an amount of 0.01 to 3 wt.%, based on the composition, in the composition. The higher fatty acid in the higher fatty acid salt includes fatty acid mixtures obtained by the conventional high pressure hydrolysis method of animal oils or fats such as tallow or mutton tallow, vegetable oils or fats such as coconut oil, palm kernel oil, soybean oil, olive oil or cotton seed oil, or the like, and lauric acid, myristic acid and palmitic acid obtained by separating and purifying the fatty acid mixture. The preferable amount of the higher fatty acid salt is 25 to 95 wt.% based on the composition in the case of a solid washing agent composition, and 5 to 40 wt.% in the case of a liquid washing agent composition.
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