CLEANSER

To provide cleansers having excellent cleansing power, rinsability, and feeling of use after rinsing while imparting the feel of a high massage effect due to persistence of thick feeling from the start of application when blending with a makeup.SOLUTION: Provided is a cleanser containing 1 to 25 mass% of the following component (A), 20 to 45 mass% of the following component (B), and 5 to 25 mass% of the following component (C). (A) an alkylene oxide derivative represented by R-O-(AO)-[(PO)/(EO)]-H (R represents an alkyl group having 4 to 36 carbon atoms; AO represents an oxyalkylene group having 3 or 4 carbon atoms; PO represents an oxypropylene group; EO represents an oxyethylene group. 1≤a≤40, 1≤b≤40, 1≤c≤80, (a+b+c)≥20, The random rate x of PO and EO is 0.1≤x