Provided are a cooling agent having an excellent TRPM8 activating action, a TRPM8 activator, a method for imparting cooling sensation, and a novel compound useful for imparting cooling sensation. Disclosed is a cooling agent comprising, as an active ingredient, a compound represented by the following formula (1):wherein R1 represents a hydrogen atom R2 represents a hydrogen atom, a hydroxyl group, or an alkoxy group having from 1 to 3 carbon atoms R3 represents a hydrogen atom or a hydroxyl group R4 represents a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms, an alkenyl group having from 2 to 6 carbon atoms, or an alkoxy group having from 1 to 3 carbon atoms R5 represents a hydrogen atom or an alkoxy group having from 1 to 3 carbon atoms and R6 represents a hydrogen atom, a hydroxyl group, an alkoxy group having from 1 to 14 carbon atoms, an alkoxyalkoxy group having from 2 to 12 carbon atoms in total, a cycloalkoxy group having from 3 to 12 carbon atoms, an aryloxy group having from 6 to 12 carbon atoms, an aralkyloxy group having from 7 to 14 carbon atoms in total, or an alkanoyloxy group having from 2 to 12 carbon atoms in total.