< Conversion 1 > This invention a) at least from monomer A1 of 1 where it is chosen from the acrylic Acid, methacrylic acid, acrylic Acid alkyl ester and alkyl methacrylate ester genera, and akuriroiruarukiruaminokishido which with formula (A2 I) is shown (meta), and akuriroiruarukirubetain which with formula (A2 II) is shown (meta) [in formula A2 I and type A2 II, as for R, to display H or CH, as for R and R, becoming independent respectively mutually, optionally to display C - alkyl of branching condition, at least the copolymer of 1 where it made form at least from amphoteric monomer A2 of 1 where as for n, you display integer 1 - 20,] it is chosen genera generaA, and b) it differs from copolymer A, at least for film formation of 1 genera both sexes and/or amphoteric polymer B for hair set, and at least the monomer of 1 where with c) formula (C1) it is shown genera and at least the itaconic acid ester monomer of 1 where with formula (C2) it is shown genera [in formula, R displays the hydrogen atom or the methyl group, R the hydrogen atom or (displays C - C) alkyl group, R and R display the hydrogen atom, however, R and R one basis displays the basis A R at least, (in formula, as for A, the basis - (CHCHO) - (In formula, as for x integer of 5 - 35 is displayed,), the basis - (CHCHMeO) - (in formula, as for y integer of 5 - 35 is displayed,) or the basis - (CHCHO) - (CHCHMeO) - (in formula, as for the total of x+y the make-up medicine where you displayed integer 5, - 35 it is larger than zero,) you displayed x and y, (C - C) the alkyl group it is displayed)] from made R form, in the one for make-up contains the parents crocking Characteristic anionic polymer C of 1 genera, at least in approved Characteristic media,It regards the use in order fairing the hair of the especially gel or the styling medicine, and the above-mentioned medicine of cream configuration temporarily.【化1】本発明は、a)アクリル酸、メタクリル酸、アクリル酸アルキルエステルおよびメタクリル酸アルキルエステルから選択される少なくとも1種のモノマーA1、および、式(A2-I)で示される(
