PROBLEM TO BE SOLVED: To provide a cosmetic base composed of a resin acid amide amine compound, especially a cosmetic base suitable for a cosmetic for hair to demand hairdressing performance and a cosmetic for skin to demand luster so that excellent hairdressing performance, setting performance, satisfactory consistency, natural luster, and moist feeling are given to hair, excellent luster and moist feeling can be given to skin, these effects are long-lasting because of easy staying on skin, and the cosmetic base can be also blended to an aqueous cosmetic preparation, and provide a hair cosmetic and a skin cosmetic blended with the cosmetic base.SOLUTION: A cosmetic base comprises an amide amine compound or a salt thereof represented by the following general formula (1) (in the formula, R1CO represents a resin acid residue, R2 represents an alkyl group having a carbon number of 1-3, and m is an integer of 2-4) obtained by reacting a resin acid and a diamine compound, and the cosmetic base is contained to make up a hair cosmetic and a skin cosmetic.COPYRIGHT: (C)2015,JPO&INPIT【課題】 毛髪に対しては優れた整髪性やセット性、良好なまとまり性、自然な艶やしっとり感を与え、皮膚に対しては優れた艶やしっとり感を付与でき、皮膚に留まりやすいためそれらの効果が長続きし、しかも水性化粧料にも配合できる樹脂酸アミドアミン化合物からなる化粧品基材、特に整髪性を求める毛髪用化粧品や、艶を求める皮膚用化粧品に適した化粧品基材を提供し、その化粧品基材を配合した毛髪化粧品および皮膚化粧品を提供する。【解決手段】樹脂酸とジアミン化合物を反応させて得られる下記の一般式(1)【化1】(式中、R1COは樹脂酸残基を表し、R2は炭素数1~3のアルキル基を表し、mは2~4の整数である)で表されるアミドアミン化合物またはその塩で化粧品基材を構成し、該化粧品基材を含有させて毛髪化粧品や皮膚化粧品を構成する。【選択図】なし
