JP5087245B2 - Granular skin cleanser - Google Patents

Granular skin cleanser Download PDF

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JP5087245B2
JP5087245B2 JP2006217392A JP2006217392A JP5087245B2 JP 5087245 B2 JP5087245 B2 JP 5087245B2 JP 2006217392 A JP2006217392 A JP 2006217392A JP 2006217392 A JP2006217392 A JP 2006217392A JP 5087245 B2 JP5087245 B2 JP 5087245B2
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granular skin
powder
dimethyldiallylammonium chloride
skin cleanser
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JP2008037834A (en
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直史 山本
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Kao Corp
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Kao Corp
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Description

本発明は水への溶解性がよく、泡立ちが早く、泡質がクリーミィで、洗い上がりのしっとり感に優れる顆粒状皮膚洗浄料に関する。   The present invention relates to a granular skin cleanser having good solubility in water, quick foaming, creamy quality and excellent moist feeling after washing.

顆粒状皮膚洗浄料は、一般に、使用時に粉末成分の飛散による口、鼻からの吸入等の防止や容器からの取り出しやすさの向上、また保管の際吸湿による品質劣化の防止のため、粉末成分同士を結合剤により結合、粘結させて顆粒としている。   In general, granular skin cleansers are used to prevent inhalation from the mouth and nose due to scattering of powder components during use, improve ease of removal from containers, and prevent quality deterioration due to moisture absorption during storage. They are made into granules by binding and caking together with a binder.

従来、この結合剤として、ヒドロキシエチルセルロース、ヒドロキシメチルセルロース、カルボキシメチルセルロース等のセルロース系高分子や、キサンタンガム、カラギーナン等の多糖類が用いられていた。   Conventionally, cellulose polymers such as hydroxyethyl cellulose, hydroxymethyl cellulose, carboxymethyl cellulose, and polysaccharides such as xanthan gum and carrageenan have been used as the binder.

しかしながら、従来の顆粒状皮膚洗浄剤は使用時に水に溶かす際、水への溶解性が悪く塊ができてしまったり、配合されている界面活性剤の本来の泡立ちを阻害したり、洗い流した後の感触を低下させる等の課題があった。   However, when the conventional granular skin cleanser is dissolved in water at the time of use, it is poorly soluble in water, resulting in lump formation, obstructing the original foaming of the surfactant, or after washing away There was a problem such as lowering the feel of the.

このような課題に鑑み、カチオン性高分子を配合したり、分子量4000以上のポリエチレングリコールを結合剤として用いることにより水への溶解性を高めることが検討されてきた(特許文献1〜3参照)。また、アミノ酸系界面活性剤と結晶セルロースを組み合わせることで感触面を改良することが検討されてきた(特許文献4参照)。しかしながら、近年消費者の要求の高まりにより、更なる改良が望まれている。
特開昭60−221493号公報 特開2002−338994号公報 特開平10−120552号公報 特開2001−199876号公報
In view of such a problem, it has been studied to increase the solubility in water by blending a cationic polymer or using polyethylene glycol having a molecular weight of 4000 or more as a binder (see Patent Documents 1 to 3). . Further, it has been studied to improve the touch surface by combining an amino acid surfactant and crystalline cellulose (see Patent Document 4). However, further improvements are desired in recent years due to increasing consumer demand.
JP-A-60-212493 JP 2002-338994 A JP-A-10-120552 JP 2001-199876 A

本発明は上記事情に鑑みてなされたもので、水への溶解性がよく、泡立ちが早く、泡質がクリーミィで、洗い上がりのしっとり感に優れる顆粒状皮膚洗浄料を提供することを課題とするものである。   The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a granular skin cleanser with good solubility in water, quick foaming, creamy quality, and excellent moist feeling after washing. To do.

本発明者は、上記課題を解決するために鋭意研究を行った結果、界面活性剤を含有する粉体成分をカチオン性基を含有する高分子化合物を結合剤として造粒してなることを特徴とする顆粒状皮膚洗浄料が上記問題点を解決し得ることを見出し、これに基づいて本発明を完成するに至った。   As a result of intensive studies to solve the above problems, the inventor of the present invention is characterized by granulating a surfactant-containing powder component with a polymer compound containing a cationic group as a binder. It was found that the granular skin cleansing material described above can solve the above problems, and the present invention has been completed based on this.

即ち、本発明の請求項1は、界界面活性剤を含有する粉体成分をカチオン性基を含有する高分子化合物を結合剤として造粒してなることを特徴とする顆粒状皮膚洗浄料である。   That is, claim 1 of the present invention is a granular skin cleansing material obtained by granulating a powder component containing a field surfactant using a polymer compound containing a cationic group as a binder. is there.

また、本発明の請求項2は、粉体成分が、N−アシルアミノ酸型界面活性剤と無機粉体とを含有することを特徴とする請求項1記載の顆粒状皮膚洗浄料である。   In addition, claim 2 of the present invention is the granular skin cleanser according to claim 1, wherein the powder component contains an N-acylamino acid type surfactant and an inorganic powder.

また、本発明の請求項3は、N−アシルアミノ酸型界面活性剤(A)と無機粉体(B)との質量比A:Bが1:1〜1:10であることを特徴とする請求項2記載の顆粒状皮膚
洗浄料である。
The third aspect of the present invention is characterized in that the mass ratio A: B of the N-acylamino acid type surfactant (A) and the inorganic powder (B) is 1: 1 to 1:10. The granular skin cleanser according to claim 2.

本発明は水への溶解性がよく、泡立ちが早く、泡質がクリーミィで、洗い上がりのしっとり感に優れる顆粒状皮膚洗浄料を提供するものである。   The present invention provides a granular skin cleanser with good water solubility, fast foaming, creamy quality and excellent moist feeling after washing.

以下、本発明について詳述する。   Hereinafter, the present invention will be described in detail.

本発明に用いられる粉体成分としては、通常皮膚洗浄料に使用され、かつ粉末状で供給できるものであれば任意に用いることができ、具体的には洗浄成分としての界面活性剤及び賦形剤としてのポリオール類や糖類、無機粉体、有機粉体、合成樹脂粉体、各種顔料等が挙げられる。   The powder component used in the present invention can be arbitrarily used as long as it is usually used in skin cleansing materials and can be supplied in powder form. Specifically, a surfactant and a shaping agent as a cleaning component. Examples of the agent include polyols and saccharides, inorganic powders, organic powders, synthetic resin powders, and various pigments.

本発明に用いられる界面活性剤としては、アニオン性界面活性剤、カチオン性界面活性剤、両性界面活性剤、非イオン性界面活性剤が挙げられ、それぞれ1種又は2種以上を任意に選択して用いることができる。中でもN−アシルグルタミン酸型界面活性剤、N−アシルグリシン型界面活性剤、N−アシルアラニン型界面活性剤、N−アシルアスパラギン酸型界面活性剤等のN−アシルアミノ酸型界面活性剤が泡質のクリーミィさ、洗いあがりのしっとり感の面で特に優れる。   Examples of the surfactant used in the present invention include anionic surfactants, cationic surfactants, amphoteric surfactants, and nonionic surfactants, each of which is arbitrarily selected from one or more. Can be used. Among them, N-acyl amino acid type surfactants such as N-acyl glutamic acid type surfactants, N-acyl glycine type surfactants, N-acyl alanine type surfactants, N-acyl aspartic acid type surfactants are foamy substances. It is particularly excellent in terms of creaminess and moist feeling after washing.

本発明に用いられる界面活性剤の好ましい配合量としては、1.0〜60質量%(以下、単に%と略す。)であり、更に好ましくは10〜40%である。この範囲であると水への溶解性、泡立ちの早さ、泡質の面で特に優れる。   The preferable amount of the surfactant used in the present invention is 1.0 to 60% by mass (hereinafter simply referred to as%), and more preferably 10 to 40%. Within this range, the solubility in water, the speed of foaming, and the foam quality are particularly excellent.

本発明において賦型剤として無機粉体を用いると、界面活性剤の分散性が向上し水への溶解性が高まる。本発明に用いる無機粉体としては、例えば、ケイ酸、無水ケイ酸(シリカ)、ケイ酸マグネシウム、ケイ酸カルシウム、ケイ酸アルミニウム、ケイ酸バリウム、ケイ酸ストロンチウム、珪ソウ土、タルク、セリサイト、マイカ、カオリン、モンモリロナイト、クレー、ベントナイト、バーミキュライト、酸化チタン皮膜雲母(雲母チタン)、オキシ塩化ビスマス、窒化ホウ素、酸化ジルコニウム、酸化マグネシウム、酸化亜鉛、酸化チタン、低次酸化チタン、タングステン酸金属塩、ヒドロキシアパタイト、ゼオライト、セラミックスパウダー、クロルヒドロキシアルミニウム、塩化アルミニウム、硫酸アルミニウム、塩基性臭化アルミニウム、塩基性ヨウ化アルミニウム、クロルヒドロキシアルミニウムジルコニウム、硫酸亜鉛、塩基性乳酸アルミニウム亜鉛、酸化アルミニウム、硫酸カルシウム、硫酸バリウム、硫酸マグネシウム、炭酸カルシウム、炭酸マグネシウム、ベンガラ、黒酸化鉄、黄酸化鉄、群青、紺青、酸化クロム、水酸化クロム、カラミン、カーボンブラック等が挙げられ、それぞれ1種又は2種以上を任意に選択して用いることができる。   In the present invention, when inorganic powder is used as an excipient, the dispersibility of the surfactant is improved and the solubility in water is increased. Examples of the inorganic powder used in the present invention include silicic acid, anhydrous silicic acid (silica), magnesium silicate, calcium silicate, aluminum silicate, barium silicate, strontium silicate, diatomaceous earth, talc, and sericite. , Mica, kaolin, montmorillonite, clay, bentonite, vermiculite, titanium oxide film mica (titanium mica), bismuth oxychloride, boron nitride, zirconium oxide, magnesium oxide, zinc oxide, titanium oxide, lower titanium oxide, metal tungstate , Hydroxyapatite, zeolite, ceramic powder, chlorohydroxyaluminum, aluminum chloride, aluminum sulfate, basic aluminum bromide, basic aluminum iodide, chlorohydroxyaluminum zirconium, zinc sulfate, basic milk Aluminum zinc, aluminum oxide, calcium sulfate, barium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, bengara, black iron oxide, yellow iron oxide, ultramarine, bitumen, chromium oxide, chromium hydroxide, calamine, carbon black, etc. 1 type or 2 types or more can be arbitrarily selected and used.

本発明に用いられる無機粉体の好ましい配合量としては、40〜98%であり、更に好ましくは60〜90%である。この範囲であると界面活性剤の分散性が良くなるため、水への溶解性が特に優れる。   A preferable blending amount of the inorganic powder used in the present invention is 40 to 98%, and more preferably 60 to 90%. Within this range, the dispersibility of the surfactant is improved, and the solubility in water is particularly excellent.

本発明においてN−アシルアミノ酸型界面活性剤(A)と無機粉体(B)とをその質量比A:Bを1:1〜1:10の範囲にすると、水への溶解性、泡立ちの早さ、泡質の面で特に優れる。   In the present invention, when the mass ratio A: B of the N-acylamino acid type surfactant (A) and the inorganic powder (B) is in the range of 1: 1 to 1:10, the solubility in water and foaming are reduced. It is particularly excellent in terms of speed and foam quality.

本発明で用いられるカチオン性基を含有する高分子化合物としては、カチオン化セルロース誘導体、カチオン化グアーガム誘導体、4級化ポリビニルピロリドン誘導体、ジメチルジアリルアンモニウムクロライド誘導体、メタクリルアミドプロピルトリメチルアンモニウムクロライド誘導体、ポリグリコールポリアミン縮合物、カチオン化澱粉、カチオン化ポリペプタイド等が挙げられ、それぞれ1種又は2種以上を任意に選択して用いることができる。中でもジメチルジアリルアンモニウムクロライド重合体、ジメチルジアリルアンモニウムクロライド−アクリルアミド共重合体、ジメチルジアリルアンモニウムクロライド−アクリル酸共重合体、ジメチルジアリルアンモニウムクロライド−アクリル酸−アクリルアミド共重合体等のジメチルジアリルアンモニウムクロライド誘導体が、泡質のクリーミィさ、洗い上がりのしっとり感の面で特に優れる。   Examples of the polymer compound containing a cationic group used in the present invention include a cationized cellulose derivative, a cationized guar gum derivative, a quaternized polyvinylpyrrolidone derivative, a dimethyldiallylammonium chloride derivative, a methacrylamidopropyltrimethylammonium chloride derivative, and a polyglycol. A polyamine condensate, a cationized starch, a cationized polypeptide and the like can be mentioned, and one or more can be arbitrarily selected and used. Among them, dimethyldiallylammonium chloride polymer, dimethyldiallylammonium chloride-acrylamide copolymer, dimethyldiallylammonium chloride-acrylic acid copolymer, dimethyldiallylammonium chloride-acrylic acid-acrylamide copolymer, etc. It is particularly excellent in terms of foamy creaminess and moist feeling after washing.

本発明に用いられるカチオン性基を含有する高分子化合物の好ましい配合量としては、0.1〜2.0%であり、更に好ましくは0.3〜1.0%である。この範囲であると水への溶解性、泡質のクリーミィさ、洗いあがりのしっとり感の面で特に優れる。   The preferable amount of the polymer compound containing a cationic group used in the present invention is 0.1 to 2.0%, more preferably 0.3 to 1.0%. Within this range, water solubility, foamy creaminess, and moist feeling after washing are particularly excellent.

本発明においては、カチオン性基を含有する高分子化合物を結合剤として粉体成分を造粒し顆粒状皮膚洗浄剤にすることが必須条件であり、単に粉末状皮膚洗浄剤にカチオン性基を含有する高分子化合物を配合するだけでは、本発明の効果を十分に発揮できない。   In the present invention, it is an essential condition that a powder component is granulated by using a polymer compound containing a cationic group as a binder to form a granular skin cleanser, and a cationic group is simply added to the powder skin cleanser. The effect of the present invention cannot be exhibited sufficiently only by blending the contained polymer compound.

本発明の顆粒状皮膚洗浄料には、発明の効果を損なわない範囲であれば、上記必須成分の他に、有機粉体、油性成分、植物エキス、防腐剤、殺菌剤、キレート剤、酸化防止剤、pH調整剤、紫外線吸収剤、香料、色素等を配合することができる。   In the granular skin cleansing material of the present invention, organic powder, oily components, plant extracts, preservatives, bactericides, chelating agents, antioxidants, in addition to the above essential components, as long as the effects of the invention are not impaired. An agent, a pH adjuster, an ultraviolet absorber, a fragrance, a pigment and the like can be blended.

本発明において粉末成分同士を結合させて顆粒状とする造粒法としては、通常知られているいずれの方法も使用できる。例えば、湿潤乾燥法によれば、洗浄成分や賦形剤の粉末を均一混合した後、そこへ結合剤を水、エタノール又はその混液で溶解した結合剤液を添加して湿潤させ、そのまま乾燥させた後ふるい処理することで得られる。また、湿潤後、押し出し造粒装置で粒子径を整えてから乾燥、ふるい処理する押し出し造粒法も応用できる。更に、均一混合粉末を流動層中で浮遊させておき結合剤液を噴霧して造粒する流動層造粒法を使用することもできる。この中でも流動層造粒法を用いると、水への溶解性の面で特に優れる。   In the present invention, any commonly known method can be used as a granulation method in which powder components are combined to form granules. For example, according to the wet-drying method, after the cleaning ingredients and excipient powders are uniformly mixed, a binder solution in which the binder is dissolved in water, ethanol or a mixture thereof is added and moistened, and dried as it is. After sieving, it is obtained. Further, an extrusion granulation method in which the particle size is adjusted with an extrusion granulator after wetting and then dried and sieved can be applied. Furthermore, it is possible to use a fluidized bed granulation method in which a homogeneous mixed powder is suspended in a fluidized bed and granulated by spraying a binder solution. Among these, the fluidized bed granulation method is particularly excellent in terms of solubility in water.

以下に実施例、比較例を挙げて本発明を説明する。本発明は、これらにより限定されるものではない。   Hereinafter, the present invention will be described with reference to examples and comparative examples. The present invention is not limited to these.

実施例、比較例に示した官能試験の試験方法は下記の通りである。尚、以下の表に示す組成物の配合量は、それぞれ質量部で示す。   The test methods of the sensory test shown in the examples and comparative examples are as follows. In addition, the compounding quantity of the composition shown to the following table | surfaces is each shown by a mass part.

10名の被験者によって顆粒状皮膚洗浄料の試料を使用し洗顔した。その後被験者本人が、水への溶解性、泡立ちの早さ、泡質のクリーミィさ、洗いあがりのしっとり感について官能評価し、平均評価点を求めた。評価基準は、以下の通りである。   A face was washed with a sample of granular skin cleanser by 10 subjects. Thereafter, the subject himself made a sensory evaluation on the solubility in water, the speed of foaming, the creaminess of the foam, and the moist feeling of washing, and the average evaluation score was obtained. The evaluation criteria are as follows.

4:非常に良好
3:良好
2:やや悪い
1:悪い
4: Very good 3: Good 2: Slightly bad 1: Bad

実施例1〜4、比較例1〜2
表1に示した処方の顆粒状皮膚洗浄料(洗顔料)の粉体成分を流動層内で浮遊させ、結合剤液を噴霧し乾燥させる流動層造粒法により作製し、前記試験を実施した。その結果を表1に併せて示す。尚、処方中の精製水は製造工程において蒸発するため、顆粒状皮膚洗
浄料中には残らない。
Examples 1-4, Comparative Examples 1-2
The powder component of the granular skin cleanser (face wash) having the formulation shown in Table 1 was floated in a fluidized bed, prepared by a fluidized bed granulation method in which a binder solution was sprayed and dried, and the test was performed. . The results are also shown in Table 1. In addition, since the purified water in the formulation evaporates in the manufacturing process, it does not remain in the granular skin cleansing material.

Figure 0005087245
Figure 0005087245

表1より明らかなように本発明の成分を用いた実施例の顆粒状皮膚洗浄料はいずれも優れた性能を有していた。一方、結合剤としてカチオン性基を含有する高分子化合物を用いなかった比較例では、水への溶解性、泡立ちの早さ、泡質のクリーミィさ、しっとり感のいずれかの面で劣っており、本発明の目的を達成できなかった。   As is clear from Table 1, the granular skin cleansing agents of the examples using the components of the present invention had excellent performance. On the other hand, in the comparative example in which a polymer compound containing a cationic group was not used as a binder, the solubility in water, the speed of foaming, the foamy creaminess, and the moist feeling were inferior. The object of the present invention could not be achieved.

実施例5
(粉体成分)
ミリストイルグルタミン酸ナトリウム 5.0
ラウロイルグルタミン酸ナトリウム 5.0
スルホコハク酸ラウリル2ナトリウム 5.0
ココイルイセチオン酸ナトリウム 8.0
カオリン 5.0
乳酸処理タルク 7.0
ケイ酸アルミニウム 3.0
ヒドロキシプロピルトウモロコシデンプン 9.0
結晶セルロース 3.0
コーンスターチ 14.0
プロテアーゼ 0.03
リパーゼ 0.01
パパイン 0.02
グリチルリチン酸ジカリウム 0.1
タルク 30.53
(結合剤)
精製水 100.0
両性高分子 5.0
(マーコート3330、NALCO社製)
ポリビニルピロリドン 0.3
(PVP K−30、BASF社製)
色素(黄色4号) 0.01
Example 5
(Powder component)
Myristoyl glutamate sodium 5.0
Sodium Lauroyl Glutamate 5.0
Disodium lauryl sulfosuccinate 5.0
Sodium cocoyl isethionate 8.0
Kaolin 5.0
Lactic acid-treated talc 7.0
Aluminum silicate 3.0
Hydroxypropyl corn starch 9.0
Crystalline cellulose 3.0
Cornstarch 14.0
Protease 0.03
Lipase 0.01
Papain 0.02
Dipotassium glycyrrhizinate 0.1
Talc 30.53
(Binder)
Purified water 100.0
Amphoteric polymer 5.0
(Marcote 3330, manufactured by NALCO)
Polyvinylpyrrolidone 0.3
(PVP K-30, manufactured by BASF)
Dye (Yellow No. 4) 0.01

精製水に両性高分子、ポリビニルピロリドン、色素を溶解し結合剤液とし、流動層造流法にて上記組成の顆粒状皮膚洗浄剤を作製し評価したところ、水への溶解性、泡立ちの早さ、泡質のクリーミィさ、しっとり感について、優れた性能を有していた。   An amphoteric polymer, polyvinylpyrrolidone, and a dye are dissolved in purified water to form a binder solution, and a granular skin cleanser having the above composition is prepared and evaluated by a fluidized bed casting method. It had excellent performance in terms of foamy creaminess and moist feeling.

実施例6
(粉体成分)
ミリストイルグルタミン酸ナトリウム 10.0
ラウロイルグルタミン酸ナトリウム 5.0
コカミドプロピルベタイン 3.0
ラウリン酸カリウム 3.0
シリコン処理タルク 5.0
アスコルビン酸硫酸2ナトリウム 0.1
疎水変性デンプン 5.0
(DRY−FLO PC 日本NSC社製)
シルクパウダー 5.0
タルク 58.1
(結合剤)
精製水 80.0
カチオン性高分子 3.0
(マーコート550、NALCO社製)
ヒドロキシエチルセルロース 0.5
レモンエキス 0.1
(レモンエキストラリキッド、一丸ファルコス社製)
甘草エキス 1.0
(リコレックスNA、丸善製薬社製)
香料 0.2
エタノール 1.0
Example 6
(Powder component)
Myristoyl glutamate 10.0
Sodium Lauroyl Glutamate 5.0
Cocamidopropyl betaine 3.0
Potassium laurate 3.0
Silicon processing talc 5.0
Ascorbic acid disodium sulfate 0.1
Hydrophobic modified starch 5.0
(DRY-FLO PC made by NSC Japan)
Silk powder 5.0
Talc 58.1
(Binder)
Purified water 80.0
Cationic polymer 3.0
(Marcote 550, manufactured by NALCO)
Hydroxyethyl cellulose 0.5
Lemon extract 0.1
(Lemon Extra Liquid, manufactured by Ichimaru Falcos)
Licorice extract 1.0
(Ricolex NA, manufactured by Maruzen Pharmaceutical Co., Ltd.)
Fragrance 0.2
Ethanol 1.0

精製水にカチオン性高分子、ヒドロキシエチルセルロース、レモンエキス、甘草エキスを溶解し結合剤液とし、流動層造流法にて造粒し乾燥後、香料とエタノールの混合液を更に噴霧、着香し上記組成の顆粒状皮膚洗浄剤を作製した。この顆粒状皮膚洗浄剤を評価したところ、水への溶解性、泡立ちの早さ、泡質のクリーミィさ、しっとり感について、優れた性能を有していた。   Dissolve cationic polymer, hydroxyethyl cellulose, lemon extract, licorice extract in purified water to make a binder liquid, granulate by fluidized bed casting method, dry, then spray and flavor a mixture of fragrance and ethanol. A granular skin cleanser having the above composition was prepared. When this granular skin cleanser was evaluated, it had excellent performance in terms of solubility in water, rapid foaming, foamy creaminess, and moist feeling.

尚、上記の実施例6において使用した香料の組成は表2に示す。   Table 2 shows the composition of the fragrance used in Example 6 above.

Figure 0005087245
Figure 0005087245

Claims (3)

界面活性剤を含有する粉体成分、ジメチルジアリルアンモニウムクロライド重合体、ジメチルジアリルアンモニウムクロライド−アクリルアミド共重合体、ジメチルジアリルアンモニウムクロライド−アクリル酸共重合体及びジメチルジアリルアンモニウムクロライド−アクリル酸−アクリルアミド共重合体から選ばれる1種又は2種以上のジメチルジアリルアンモニウムクロライド誘導体を含む結合剤液を添加し造粒してなることを特徴とする顆粒状皮膚洗浄料。 Surfactant-containing powder components include dimethyldiallylammonium chloride polymer, dimethyldiallylammonium chloride-acrylamide copolymer, dimethyldiallylammonium chloride-acrylic acid copolymer, and dimethyldiallylammonium chloride-acrylic acid-acrylamide copolymer. A granular skin cleansing material comprising a binder solution containing one or more dimethyldiallylammonium chloride derivatives selected from coalesced and granulated. 粉体成分が、N−アシルアミノ酸型界面活性剤と無機粉体とを含有することを特徴とする請求項1記載の顆粒状皮膚洗浄料。   The granular skin cleansing material according to claim 1, wherein the powder component contains an N-acylamino acid type surfactant and an inorganic powder. N−アシルアミノ酸型界面活性剤(A)と無機粉体(B)との質量比A:Bが1:1〜1:10であることを特徴とする請求項2記載の顆粒状皮膚洗浄料。   The granular skin cleansing material according to claim 2, wherein the mass ratio A: B of the N-acylamino acid type surfactant (A) to the inorganic powder (B) is 1: 1 to 1:10. .
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