A cosmetic product comprising a polymer having recurring units of formula (1):wherein R1 is independently an alkyl group or a fluorinated alkyl group having 1 to 12 carbon atoms, R2 is methyl group or hydrogen atom, R3 is a divalent saturated hydrocarbon group having 1 to 6 carbon atoms, letter a is an integer of 1 to 3, and X is a monovalent group represented by formula (i):wherein R4 is independently an alkyl group or a fluorinated alkyl group having 1 to 12 carbon atoms and letter b is an integer of 1 to 5.
