PROBLEM TO BE SOLVED: To provide a solid soap composition that foams quickly, has creamy and whippy foam quality, also sustains the foam quality, has excellent sensation of use after washing, generates little dissolution, and is excellent in storage stability and productivity.SOLUTION: The solid soap composition comprises 0.01-1 mass% of polyethylene glycol a having a number-average molecular weight of 200,000-600,000, 0.005-0.5 mass% of polyethylene glycol b having a number-average molecular weight of 1 million-5 million, and 98.5-99.985 mass% of a salt of a 12C-18C saturated fatty acid.COPYRIGHT: (C)2012,JPO&INPIT【課題】素早く泡立ち、クリーミーで弾力性に富む泡質を有すると共に、その泡質が持続し、洗い上がりの使用感に優れ、かつ、溶け崩れが生じ難く、保存安定性や生産性に優れた固形石けん組成物の提供。【解決手段】本発明の固形石けん組成物は、数平均分子量20万~60万のポリエチレングリコールa0.01~1質量%、数平均分子量100万~500万のポリエチレングリコールb0.005~0.5質量%、炭素数12~18の飽和脂肪酸塩98.5~99.985質量%からなる。【選択図】なし
