Being the cation denaturation polymer which builds a bridge with the building a bridge medicine, the building a bridge medicine, features that it is selected from the anionic characteristic surface active agent which at least possesses 10 carbon atoms the fatty acid which at least possesses 12 carbon atoms and, the polymer. The personal CARE composition which includes such polymer and by reacting with the building a bridge medicine which at least possesses two anionic characteristic bases the polymer the method of building a bridge.架橋剤で架橋したカチオン変性ポリマーであって、架橋剤が、少なくとも12個の炭素原子を有する脂肪酸および少なくとも10個の炭素原子を有するアニオン性界面活性剤から選択されることを特徴とする、ポリマー。こうしたポリマーを含むパーソナルケア組成物および少なくとも2つのアニオン性基を有する架橋剤と反応させることによってポリマーを架橋する方法。
