PROBLEM TO BE SOLVED: To provide a raw material for a cosmetic compatibly having thickening property and moisture retention property.SOLUTION: The cuttlefish cartilage purified product includes chondroitin sulfuric acid having a molecular weight of 400,000 or more obtained cuttlefish head part cartilages. The cuttlefish cartilage purified product can be expected as the cosmetic raw material compatibly having the thickening property and the moisture retention property.COPYRIGHT: (C)2012,JPO&INPIT【課題】増粘性と保湿性を兼ね備えた化粧品原料の提供。【解決手段】イカ頭部軟骨から得られる、分子量が40万以上であるコンドロイチン硫酸を含むイカ軟骨精製物。該イカ軟骨精製物は、増粘性と保湿性を兼ね備えた化粧品材料として期待できる。【選択図】なし