The moisturizing cosmetic composition

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PROBLEM TO BE SOLVED : To provide a moisturizing cosmetic composition being excellent in safety and usability and having excellent moisturizing function.SOLUTION : The moisturizing cosmetic composition of the present invention contains polyglycerol dialkyl or alkenyl ether comprising a compound represented by the formula (1) and water. In the formula (1), Rand Rare, identically or differently, a linear or branched chain alkyl or alkenyl group which may have a hydroxyl group, and n represents a numeral number of glycerol unit and is an integer of 2 or more.