JP5280695B2 - Oil-in-water emulsified cosmetic - Google Patents
Oil-in-water emulsified cosmetic Download PDFInfo
- Publication number
- JP5280695B2 JP5280695B2 JP2008019523A JP2008019523A JP5280695B2 JP 5280695 B2 JP5280695 B2 JP 5280695B2 JP 2008019523 A JP2008019523 A JP 2008019523A JP 2008019523 A JP2008019523 A JP 2008019523A JP 5280695 B2 JP5280695 B2 JP 5280695B2
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- Prior art keywords
- oil
- mass
- water
- examples
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Landscapes
- Cosmetics (AREA)
Abstract
Description
本発明は、特に毛髪に適用するために好適な水中油型乳化化粧料に関し、さらに詳しくは、化粧料自体の外観及び安定性、並びに毛髪に塗布する場合の塗布感、塗布後に得られる毛髪の感触の向上効果おいて特に優れた性能を発揮する水中油型乳化化粧料に関するものである。 The present invention relates to an oil-in-water emulsified cosmetic composition particularly suitable for application to hair, and more specifically, the appearance and stability of the cosmetic composition itself, the feeling of application when applied to hair, and the hair obtained after application. The present invention relates to an oil-in-water emulsified cosmetic that exhibits particularly excellent performance in terms of improving touch.
一般に、外相が水相で内相が油性成分である水中油型乳化化粧料が知られている。水中油型乳化化粧料は、例えば使用感の調整の容易性、及び手指からの洗い流しやすさ等の効果を有する。そのため、水中油型乳化化粧料は、例えば毛髪化粧料組成物に適用されている。ところで、従来より化粧料に配合される油性成分として、非極性油剤、例えばシリコーン油、及びイソパラフィンが知られている。非極性油剤は、べたつきが少なく、使用感に優れるという効果を有する。しかしながら、非極性油剤は、乳化化粧料において保存安定性が悪いという問題があった。一方、非極性油剤の安定性を向上させるために、単に乳化成分の配合量を多くするのみでは、粒子が細かくなりすぎるため、乳化化粧料の外観がツヤのないクリームとなり美観を損なうという問題があった。また、べたつき感が増大するため使用感、並びに例えば毛髪に塗布する場合の塗布感及び塗布後の感触も損なうという問題があった。 In general, oil-in-water emulsified cosmetics in which the outer phase is an aqueous phase and the inner phase is an oil component are known. The oil-in-water emulsified cosmetic has effects such as ease of use feeling adjustment and ease of washing from fingers. Therefore, oil-in-water emulsified cosmetics are applied to, for example, hair cosmetic compositions. By the way, non-polar oil agents such as silicone oil and isoparaffin are conventionally known as oil components to be blended in cosmetics. Non-polar oils have the effect that they are less sticky and have a good feeling in use. However, the nonpolar oil agent has a problem that storage stability is poor in an emulsified cosmetic. On the other hand, in order to improve the stability of the nonpolar oil agent, simply increasing the amount of the emulsified component causes the particles to become too fine, and the appearance of the emulsified cosmetic becomes a glossy cream and impairs the beauty. there were. In addition, since the sticky feeling is increased, there is a problem that the feeling of use and, for example, the feeling of application when applied to hair and the feeling after application are also impaired.
そこで、従来より、特許文献１，２に開示される乳化化粧料が知られている。特許文献１は、増粘性高分子、例えばカルボキシビニルポリマー及びポリアクリルアミドを配合することにより、油性成分を分散させる構成について開示する。この構成により、非極性油剤の十分な保存安定性を得ることができる。特許文献２は、シリコーン油をシリコーン系界面活性剤と非イオン界面活性剤を用いて乳化させる構成について開示する。それにより、外観の良好な乳化化粧料を得ることができる。
ところが、特許文献１に開示される乳化化粧料は、外観が水っぽく、増粘性分子が有するチキソロピー性に基づく塗布感の悪さ、及び塗布後に皮膜形成が生じることによる塗布後の感触の低下といった問題が生じていた。特許文献２に開示される乳化化粧料は、水中油型の剤型において非極性油剤の配合量を増加させると保存安定性が低下するという問題があった。そのため、非極性油剤によって得られる効果、例えば感触の向上効果が十分に得られないという問題があった。 However, the emulsified cosmetic disclosed in Patent Document 1 has a problem that the appearance is watery, the coating feeling is poor based on the thixotropic property of the thickening molecule, and the feeling after coating is reduced due to the formation of a film after coating. It was happening. The emulsified cosmetic disclosed in Patent Document 2 has a problem that storage stability decreases when the blending amount of the nonpolar oil agent is increased in an oil-in-water type dosage form. Therefore, there is a problem that the effect obtained by the nonpolar oil agent, for example, the feeling improvement effect cannot be obtained sufficiently.
本発明は、本発明者らの鋭意研究の結果、特定の非イオン性界面活性剤及び油性成分を使用することにより、外観の良好性を維持しながら、多量の非極性油剤を安定に配合することができることを見出したことによりなされたものである。その目的とするところは、非極性油剤が比較的多く配合される水中油型乳化化粧料において、外観及び安定性に優れる水中油型乳化化粧料を提供することにある。 As a result of intensive studies by the present inventors, the present invention stably blends a large amount of nonpolar oil agent while maintaining good appearance by using a specific nonionic surfactant and oil component. It has been made by finding out that it can be done. An object of the invention is to provide an oil-in-water emulsified cosmetic that is excellent in appearance and stability in an oil-in-water emulsified cosmetic in which a relatively large amount of nonpolar oil is blended.
上記の目的を達成するために、請求項１に記載の水中油型乳化化粧料は、下記の（Ａ）〜（Ｄ）の各成分を含有することを特徴とする。（Ａ）粘度が１００ｍｍ２／ｓ以下のジメチルポリシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、及び炭素数３０以下のイソパラフィンから選ばれる少なくとも一種の非極性油剤を１５〜４０質量％。（Ｂ）下記一般式（１）で表されるポリオキシエチレンジアルキルエーテルを１〜１０質量％。
Ｒ１−（ＯＣＨ２ＣＨ２）ｎ−Ｏ−Ｒ２…（１）
（式中、Ｒ１、Ｒ２はそれぞれ炭素数１０〜２２の飽和又は不飽和の直鎖又は分岐鎖状炭化水素基で、かつ炭化水素中の任意の水素原子が水酸基に置換されていてもよい基を表し、Ｒ１及びＲ２は同一でも異なっていてもよい。またｎは２０〜１００の整数をあらわす）
（Ｃ）アミノ変性シリコーン、及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤を０．０１〜１０質量％。（Ｄ）水。
In order to achieve the above object, the oil-in-water emulsified cosmetic according to claim 1 includes the following components (A) to (D). (A) 15 to 40% by mass of at least one nonpolar oil selected from dimethylpolysiloxane having a viscosity of 100 mm 2 / s or less, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and isoparaffin having 30 or less carbon atoms. (B) 1-10 mass% of polyoxyethylene dialkyl ether represented by the following general formula (1).
R 1 — (OCH 2 CH 2 ) n —O—R 2 (1)
(In the formula, each of R 1 and R 2 is a saturated or unsaturated linear or branched hydrocarbon group having 10 to 22 carbon atoms, and any hydrogen atom in the hydrocarbon is substituted with a hydroxyl group. Represents a good group, and R 1 and R 2 may be the same or different, and n represents an integer of 20 to 100)
(C) 0.01-10 mass% of at least 1 type of polar oil agent chosen from amino modified silicone and higher fatty acid ester. (D) Water.
請求項２に記載の発明は、請求項１に記載の水中油型乳化化粧料において、前記（Ａ）成分の含有量と（Ｂ）成分の含有量は、質量比で（Ｂ）／（Ａ）＝０．０５〜０．６である。 The invention according to claim 2 is the oil-in-water emulsified cosmetic according to claim 1, wherein the content of the component (A) and the content of the component (B) are (B) / (A ) = 0.05 to 0.6.
本発明によれば、非極性油剤が比較的多く配合される水中油型乳化化粧料において、外観及び安定性に優れる水中油型乳化化粧料を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, in the oil-in-water-type emulsified cosmetic in which a nonpolar oil agent is mix | blended comparatively much, the oil-in-water-type emulsified cosmetic which is excellent in an external appearance and stability can be provided.
以下、本発明の水中油型乳化化粧料を具体化した実施形態を詳細に説明する。
本実施形態の水中油型乳化化粧料は、（Ａ）粘度が１００ｍｍ２／ｓ以下のジメチルポリシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、及び炭素数３０以下のイソパラフィンから選ばれる少なくとも一種の非極性油剤を１５〜４０質量％、（Ｂ）下記一般式（１）で表されるポリオキシエチレンジアルキルエーテルを１〜１０質量％、
Ｒ１−（ＯＣＨ２ＣＨ２）ｎ−Ｏ−Ｒ２…（１）
（式中、Ｒ１、Ｒ２はそれぞれ炭素数１０〜２２の飽和又は不飽和の直鎖又は分岐鎖状炭化水素基で、かつ炭化水素中の任意の水素原子が水酸基に置換されていてもよい基を表し、Ｒ１及びＲ２は同一でも異なっていてもよい。またｎは２０〜１００の整数をあらわす）、（Ｃ）アミノ変性シリコーン及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤、並びに（Ｄ）水を含有し、水中油型乳化物の形態を有している。
Hereinafter, the embodiment which actualized the oil-in-water type emulsion cosmetics of the present invention is described in detail.
The oil-in-water emulsified cosmetic of this embodiment is (A) at least selected from dimethylpolysiloxane having a viscosity of 100 mm 2 / s or less, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and isoparaffin having 30 or less carbon atoms. 15-40 mass% of a kind of non-polar oil agent, (B) 1-10 mass% of polyoxyethylene dialkyl ether represented by the following general formula (1),
R 1 — (OCH 2 CH 2 ) n —O—R 2 (1)
(In the formula, each of R 1 and R 2 is a saturated or unsaturated linear or branched hydrocarbon group having 10 to 22 carbon atoms, and any hydrogen atom in the hydrocarbon is substituted with a hydroxyl group. R 1 and R 2 may be the same or different, and n represents an integer of 20 to 100), (C) at least one polar oil selected from amino-modified silicones and higher fatty acid esters, And (D) contains water and has the form of an oil-in-water emulsion.
粘度が１００ｍｍ２／ｓ以下のジメチルポリシロキサン（ジメチコン）、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、及び炭素数３０以下のイソパラフィンから選ばれる少なくとも一種の非極性油剤は、使用感の向上、例えば使用時におけるべたつきの低減のために配合される。また、水中油型乳化化粧料が毛髪に適用される場合、塗布感及び使用後の感触を向上させるために配合される。炭素数３０以下のイソパラフィンとしては、例えば揮発性イソパラフィン、軽質イソパラフィン、軽質流動イソパラフィン、水添ポリイソブテン、及びイソブテンが挙げられる。水中油型乳化化粧料中における非極性油剤の配合量は、１５〜４０質量％であり、好ましくは１５〜３０質量％である。配合量が１５質量％未満であると使用感、塗布感及び塗布後の感触を向上させることができない。一方、配合量が４０質量％を超えると特に水中油型乳化化粧料の安定性及び外観が低下するおそれがある。 At least one nonpolar oil selected from dimethylpolysiloxane (dimethicone) having a viscosity of 100 mm 2 / s or less, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and isoparaffin having 30 or less carbon atoms is improved in use feeling, For example, it is blended to reduce stickiness during use. Moreover, when an oil-in-water type emulsified cosmetic is applied to hair, it mix | blends in order to improve an application feeling and the feeling after use. Examples of the isoparaffin having 30 or less carbon atoms include volatile isoparaffin, light isoparaffin, light liquid isoparaffin, hydrogenated polyisobutene, and isobutene. The blending amount of the nonpolar oil in the oil-in-water emulsified cosmetic is 15 to 40% by mass, preferably 15 to 30% by mass. When the blending amount is less than 15% by mass, it is not possible to improve the feeling of use, the feeling of application, and the feeling after application. On the other hand, when the blending amount exceeds 40% by mass, the stability and appearance of the oil-in-water emulsified cosmetic may be deteriorated.
一般式（１）で表されるポリオキシエチレンジアルキルエーテルは、非イオン性界面活性剤の一種であり、非極性油剤が比較的多く配合される水中油型乳化化粧料の外観及び安定性向上のために配合される。また、水中油型乳化化粧料が毛髪に適用される場合、塗布感を向上させるために配合される。一般式（１）で表されるポリオキシエチレンジアルキルエーテルとしては、例えばポリオキシエチレン（平均重合度＝５０〜１００）ジラウリルエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）ジミリスチルエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）ミリスチルラウリルジエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）ジセチルエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）セチルステアリルジエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）ジステアリルエーテル、ポリオキシエチレン（平均重合度＝５０〜１００）ジオレイルエーテル、及びセテアレス（平均重合度＝５０〜１００）ミリスチルグリコールが挙げられる。これらのポリオキシエチレンジアルキルエーテルは単独で配合してもよいし、二種以上を組み合わせて配合してもよい。 The polyoxyethylene dialkyl ether represented by the general formula (1) is a kind of nonionic surfactant, and improves the appearance and stability of an oil-in-water emulsified cosmetic containing a relatively large amount of nonpolar oil. Is formulated for. Moreover, when an oil-in-water type emulsion cosmetic is applied to hair, it mix | blends in order to improve an application feeling. Examples of the polyoxyethylene dialkyl ether represented by the general formula (1) include polyoxyethylene (average polymerization degree = 50 to 100) dilauryl ether, polyoxyethylene (average polymerization degree = 50 to 100) dimyristyl ether, Polyoxyethylene (average degree of polymerization = 50-100) myristyl lauryl diether, polyoxyethylene (average degree of polymerization = 50-100) dicetyl ether, polyoxyethylene (average degree of polymerization = 50-100) cetyl stearyl diether, Examples include polyoxyethylene (average degree of polymerization = 50 to 100) distearyl ether, polyoxyethylene (average degree of polymerization = 50 to 100) dioleyl ether, and cetealess (average degree of polymerization = 50 to 100) myristyl glycol. These polyoxyethylene dialkyl ethers may be blended singly or in combination of two or more.
水中油型乳化化粧料中における一般式（１）で表されるポリオキシエチレンジアルキルエーテルの配合量は、１〜１０質量％であり、好ましくは１〜６質量％である。配合量が１質量％未満であると外観、安定性及び塗布感を向上させることができない。一方、配合量が１０質量％を超えると外観、塗布感及び塗布後の感触が低下するおそれがある。 The compounding amount of the polyoxyethylene dialkyl ether represented by the general formula (1) in the oil-in-water emulsified cosmetic is 1 to 10% by mass, preferably 1 to 6% by mass. When the blending amount is less than 1% by mass, the appearance, stability and coating feeling cannot be improved. On the other hand, if the blending amount exceeds 10% by mass, the appearance, the feeling of application and the feeling after application may be reduced.
また、（Ａ）成分の含有量と（Ｂ）成分の含有量は、質量比で（Ｂ）／（Ａ）＝０．０５〜０．６の範囲にあることが好ましく、０．１〜０．３５の範囲にあることがより好ましい。質量比を（Ｂ）／（Ａ）＝０．０５〜０．６の範囲に規定することにより、使用感をより向上させることができる。また、水中油型乳化化粧料が毛髪に適用される場合、塗布感及び感触をより向上させることができる。 Moreover, it is preferable that content of (A) component and content of (B) component exist in the range of (B) / (A) = 0.05-0.6 by mass ratio, and 0.1-0 More preferably, it is in the range of .35. By defining the mass ratio in the range of (B) / (A) = 0.05 to 0.6, the feeling in use can be further improved. Moreover, when an oil-in-water type emulsified cosmetic is applied to hair, a feeling of application and a touch can be improved more.
アミノ変性シリコーン及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤は、水中油型乳化化粧料の外観を向上させるために配合される。また、水中油型乳化化粧料が毛髪に適用される場合、塗布感を向上させるために配合される。アミノ変性シリコーンは、下記の一般式（２）で表される１分子中に少なくとも１個のアミノアルキル基を有するオルガノシロキサンの重合体を示すものである。 At least one polar oil selected from amino-modified silicones and higher fatty acid esters is blended to improve the appearance of the oil-in-water emulsion cosmetic. Moreover, when an oil-in-water type emulsion cosmetic is applied to hair, it mix | blends in order to improve an application feeling. The amino-modified silicone represents an organosiloxane polymer having at least one aminoalkyl group in one molecule represented by the following general formula (2).
上記の一般式（２）で表されるアミノ変性シリコーンの具体例としては、アミノプロピルメチルシロキサン・ジメチルシロキサン共重合体（アミノプロピルジメチコン）、アミノエチルアミノプロピルシロキサン・ジメチルシロキサン共重合体（アモジメチコン）、アミノエチルアミノプロピルメチルシロキサン・ジメチルシロキサン共重合体（トリメチルシリルアモジメチコン）等が挙げられる。これらのアミノ変性シリコーンは単独で配合してもよいし、二種以上を組み合わせて配合してもよい。
Specific examples of the amino-modified silicone represented by the general formula (2) include aminopropylmethylsiloxane / dimethylsiloxane copolymer (aminopropyl dimethicone), aminoethylaminopropylsiloxane / dimethylsiloxane copolymer (amodimethicone). ), Aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer (trimethylsilylamodimethicone), and the like. These amino-modified silicones may be blended singly or in combination of two or more.
高級脂肪酸エステルは、炭素数８以上の脂肪酸のモノエステル、ジエステル、及びトリエステルのいずれであってもよい。また、合成品及び天然品のいずれも使用することができる。高級脂肪酸エステルとしては、例えばミリスチン酸イソプロピル、オクタン酸セチル、イソノナン酸イソノニル、ミリスチン酸オクチルドデシル、パルミチン酸イソプロピル、ステアリン酸ステアリル、ミリスチン酸ミリスチル、ミリスチン酸イソトリデシル、パルミチン酸２−エチルへキシル、リシノール酸オクチルドデシル、脂肪酸（Ｃ１０−３０）（コレステリル／ラノステリル）、オリーブ油、ツバキ油、シア脂、アーモンド油、サフラワー油、ヒマワリ油、大豆油、綿実油、ゴマ油、トウモロコシ油、ナタネ油、コメヌカ油、コメ胚芽油、ブドウ種子油、及びマカデミアナッツ油が挙げられる。 The higher fatty acid ester may be any of monoesters, diesters and triesters of fatty acids having 8 or more carbon atoms. In addition, both synthetic products and natural products can be used. Examples of higher fatty acid esters include isopropyl myristate, cetyl octanoate, isononyl isononanoate, octyldodecyl myristate, isopropyl stearate, stearyl stearate, myristyl myristate, isotridecyl myristate, 2-ethylhexyl palmitate, ricinoleic acid Octyldodecyl, fatty acid (C10-30) (cholesteryl / lanosteryl), olive oil, camellia oil, shea fat, almond oil, safflower oil, sunflower oil, soybean oil, cottonseed oil, sesame oil, corn oil, rapeseed oil, rice bran oil, rice Examples include germ oil, grape seed oil, and macadamia nut oil.
水中油型乳化化粧料中におけるアミノ変性シリコーン及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤の配合量は、好ましくは０．０１〜１０質量％であり、好ましくは０．１〜５質量％である。配合量が０．０１質量％未満であると外観及び塗布感を向上させることができない。一方、配合量が１０質量％を超えると毛髪がべたついた感触となり、好ましくない。 The blending amount of at least one polar oil selected from amino-modified silicone and higher fatty acid ester in the oil-in-water emulsion cosmetic is preferably 0.01 to 10% by mass, preferably 0.1 to 5% by mass. is there. When the blending amount is less than 0.01% by mass, the appearance and the coating feeling cannot be improved. On the other hand, if the blending amount exceeds 10% by mass, the hair feels sticky, which is not preferable.
水は、各成分の溶媒又は分散媒として使用される。水は上記成分とともに適量配合されて、化粧料を水中油型に乳化させる。
水中油型乳化化粧料は、本願発明の効果を損なわない範囲内において、例えば水溶性高分子化合物、上記以外の油性成分、多価アルコール、上記以外の界面活性剤、糖類、防腐剤、安定剤、ｐＨ調整剤、植物抽出物、生薬抽出物、ビタミン類、香料、紫外線吸収剤、及び酸化防止剤から選ばれる少なくとも一種を含有してもよい。
Water is used as a solvent or dispersion medium for each component. Water is blended in an appropriate amount together with the above components to emulsify the cosmetic into an oil-in-water type.
The oil-in-water emulsified cosmetics are, for example, water-soluble polymer compounds, oily components other than those described above, polyhydric alcohols, surfactants other than those described above, saccharides, preservatives, and stabilizers within a range not impairing the effects of the present invention. , PH adjusters, plant extracts, herbal extracts, vitamins, fragrances, ultraviolet absorbers, and antioxidants may be contained.
水溶性高分子化合物としては、例えばアラビアガム、カラヤガム、トラガントガム、アルギン酸ナトリウム、キサンタンガム、セルロース誘導体、架橋ポリアクリル酸、ポリ塩化ジメチルメチレンピペリジウム、及びポリクオタニウム−１０が挙げられる。架橋ポリアクリル酸としては、例えばカルボキシビニルポリマー（カルボマー）が挙げられる。 Examples of the water-soluble polymer compound include gum arabic, karaya gum, gum tragacanth, sodium alginate, xanthan gum, cellulose derivatives, crosslinked polyacrylic acid, polydimethylmethylene piperidinium chloride, and polyquaternium-10. Examples of the crosslinked polyacrylic acid include carboxyvinyl polymer (carbomer).
油性成分は、水中油型乳化化粧料が毛髪に適用される場合、毛髪にうるおい感を付与する。油性成分としては、例えば（Ｃ）成分以外のロウ類、高級アルコール、（Ａ）成分以外の炭化水素類、高級脂肪酸、アルキルグリセリルエーテル、（Ｃ）成分以外のエステル類、（Ａ）及び（Ｃ）成分以外のシリコーン類が挙げられる。 The oil component imparts a moist feeling to the hair when the oil-in-water emulsion cosmetic is applied to the hair. Examples of the oil component include waxes other than the component (C), higher alcohols, hydrocarbons other than the component (A), higher fatty acids, alkyl glyceryl ethers, esters other than the component (C), (A) and (C ) Silicones other than the component can be mentioned.
（Ｃ）成分以外のロウ類としては、例えばミツロウ、キャンデリラロウ、カルナウバロウ、及びラノリンが挙げられる。
高級アルコールとしては、例えばラウリルアルコール、ミリスチルアルコール、セタノール、ステアリルアルコール、セトステアリルアルコール、アラキルアルコール、ベヘニルアルコール、２−ヘキシルデカノール、イソステアリルアルコール、２−オクチルドデカノール、デシルテトラデカノール、オレイルアルコール、及びラノリンアルコールが挙げられる。
Examples of waxes other than the component (C) include beeswax, candelilla wax, carnauba wax, and lanolin.
Examples of higher alcohols include lauryl alcohol, myristyl alcohol, cetanol, stearyl alcohol, cetostearyl alcohol, aralkyl alcohol, behenyl alcohol, 2-hexyldecanol, isostearyl alcohol, 2-octyldodecanol, decyltetradecanol, oleyl alcohol, and Lanolin alcohol is mentioned.
（Ａ）成分以外の炭化水素としては、例えばパラフィン、オレフィンオリゴマー、ミネラルオイル（流動パラフィン）、スクワラン、ポリブテン、ポリエチレン、マイクロクリスタリンワックス、及びワセリンが挙げられる。高級脂肪酸としては、例えばラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘニン酸、イソステアリン酸、１２−ヒドロキシステアリン酸、オレイン酸、及びラノリン脂肪酸が挙げられる。アルキルグリセリルエーテルとしては、例えばバチルアルコール、キミルアルコール、セラキルアルコール、及びイソステアリルグリセリルエーテルが挙げられる。 Examples of hydrocarbons other than component (A) include paraffin, olefin oligomer, mineral oil (liquid paraffin), squalane, polybutene, polyethylene, microcrystalline wax, and petrolatum. Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, 12-hydroxystearic acid, oleic acid, and lanolin fatty acid. Examples of the alkyl glyceryl ether include batyl alcohol, chimyl alcohol, ceralkyl alcohol, and isostearyl glyceryl ether.
（Ｃ）成分以外のエステル類としては、乳酸セチル、酢酸ラノリン、リンゴ酸ジイソステアリル、アジピン酸ジイソプロピル、及びコハク酸ジオクチルが挙げられる。
（Ａ）及び（Ｃ）成分以外のシリコーン類としては、例えば粘度が１００ｍｍ２／ｓを越えるジメチルポリシロキサン（ジメチコン）、メチルフェニルポリシロキサン、末端水酸基変性ジメチルポリシロキサン、ポリエーテル変性シリコーン、平均重合度が６５０〜１００００の高重合シリコーン、ベタイン変性シリコーン、アルキル変性シリコーン、アルコキシ変性シリコーン、メルカプト変性シリコーン、カルボキシ変性シリコーン、及びフッ素変性シリコーンが挙げられる。ポリエーテル変性シリコーンとしては、例えばＰＥＧ−１２ジメチコンが挙げられる。これらの油性成分の具体例は単独で使用されてもよく、２種以上を組み合わせて使用されてもよい。
Examples of the esters other than the component (C) include cetyl lactate, lanolin acetate, diisostearyl malate, diisopropyl adipate, and dioctyl succinate.
Examples of silicones other than the components (A) and (C) include dimethylpolysiloxane (dimethicone) having a viscosity exceeding 100 mm 2 / s, methylphenylpolysiloxane, terminal hydroxyl group-modified dimethylpolysiloxane, polyether-modified silicone, and average polymerization. Examples thereof include highly polymerized silicone, betaine-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, mercapto-modified silicone, carboxy-modified silicone, and fluorine-modified silicone having a degree of 650 to 10,000. Examples of the polyether-modified silicone include PEG-12 dimethicone. Specific examples of these oil components may be used alone or in combination of two or more.
多価アルコールとしては、例えばグリセリン、ジグリセリン、ポリグリセリン、エチレングリコール、イソペンチルジオール、プロピレングリコール（ＰＧ）、ジプロピレングリコール（ＤＰＧ）、及び１，３−ブチレングリコール（ＢＧ）が挙げられる。 Examples of the polyhydric alcohol include glycerin, diglycerin, polyglycerin, ethylene glycol, isopentyldiol, propylene glycol (PG), dipropylene glycol (DPG), and 1,3-butylene glycol (BG).
界面活性剤は、組成物の乳化剤又は組成物中の各成分の可溶化剤として組成物の安定性をさらに向上させるために配合してもよい。界面活性剤としては、イオン性界面活性剤及び上記以外の非イオン性界面活性剤が挙げられる。イオン性界面活性剤としては、カチオン性界面活性剤、アニオン性界面活性剤及び両性界面活性剤が挙げられる。アニオン界面活性剤としては、例えばアルキルエーテル硫酸塩、アルキル硫酸塩、アルケニルエーテル硫酸塩、アルケニル硫酸塩、オレフィンスルホン酸塩、アルカンスルホン酸塩、飽和又は不飽和脂肪酸塩、アルキル又はアルケニルエーテルカルボン酸塩、α-スルホン脂肪酸塩、Ｎ−アシルアミノ酸型界面活性剤、リン酸モノ又はジエステル型界面活性剤、及びスルホコハク酸エステルが挙げられる。アルキルエーテル硫酸塩としては、例えばラウレス硫酸ナトリウムが挙げられる。Ｎ−アシルアミノ酸型界面活性剤としては、例えばＮ−ラウロイル-Ｌ-グルタミン酸ナトリウムが挙げられる。これらの界面活性剤のアニオン基の対イオンとしては、例えばナトリウムイオン、カリウムイオン、及びトリエタノールアミンが挙げられる。 A surfactant may be added as an emulsifier of the composition or a solubilizer of each component in the composition in order to further improve the stability of the composition. Examples of the surfactant include ionic surfactants and nonionic surfactants other than those described above. Examples of the ionic surfactant include a cationic surfactant, an anionic surfactant, and an amphoteric surfactant. Examples of the anionic surfactant include alkyl ether sulfate, alkyl sulfate, alkenyl ether sulfate, alkenyl sulfate, olefin sulfonate, alkane sulfonate, saturated or unsaturated fatty acid salt, alkyl or alkenyl ether carboxylate , Α-sulfone fatty acid salts, N-acylamino acid type surfactants, phosphate mono- or diester type surfactants, and sulfosuccinate esters. Examples of the alkyl ether sulfate include sodium laureth sulfate. Examples of the N-acylamino acid type surfactant include sodium N-lauroyl-L-glutamate. Examples of the counter ion of the anionic group of these surfactants include sodium ion, potassium ion, and triethanolamine.
カチオン性界面活性剤としては、例えばアルキルトリメチルアンモニウム塩、アルケニルトリメチルアンモニウム塩、ジアルキルジメチルアンモニウム塩、ジアルケニルジメチルアンモニウム塩、ラノリン脂肪酸アミノプロピルエチルジメチルアンモニウム、及びアルキロイルアミドプロピルジメチルアミンが挙げられる。アルキルトリメチルアンモニウム塩としては、例えば塩化ステアリルトリメチルアンモニウム、及び塩化ベヘニルトリメチルアンモニウムが挙げられる。ジアルキルジメチルアンモニウム塩としては、塩化ジステアリルジメチルアンモニウムが挙げられる。これらの界面活性剤のカチオン基の対イオンとしては、例えば塩化物イオン、臭化物イオン、ヨウ化物イオン、アルキル硫酸イオン、及びサッカリンが挙げられる。 Examples of the cationic surfactant include alkyltrimethylammonium salt, alkenyltrimethylammonium salt, dialkyldimethylammonium salt, dialkenyldimethylammonium salt, lanolin fatty acid aminopropylethyldimethylammonium, and alkyloylamidopropyldimethylamine. Examples of the alkyl trimethyl ammonium salt include stearyl trimethyl ammonium chloride and behenyl trimethyl ammonium chloride. Examples of the dialkyldimethylammonium salt include distearyldimethylammonium chloride. Examples of the counter ion of the cationic group of these surfactants include chloride ion, bromide ion, iodide ion, alkyl sulfate ion, and saccharin.
両性界面活性剤としては、例えばココベタイン、ラウラミドプロピルベタイン、コカミドプロピルベタイン、ラウロアンホ酢酸ナトリウム、及びココアンホ酢酸ナトリウムが挙げられる。 Examples of amphoteric surfactants include cocobetaine, lauramidopropyl betaine, cocamidopropyl betaine, sodium lauroamphoacetate, and sodium cocoamphoacetate.
（Ｂ）成分以外の非イオン性界面活性剤としては、例えば、ポリオキシアルキレンアルキルエーテル、ポリオキシアルキレンアルケニルエーテル、ポリオキシエチレンソルビタン脂肪酸エステル、ショ糖脂肪酸エステル類、ソルビタン脂肪酸エステル、アルキルサッカライド界面活性剤、グリセリン脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油、脂肪酸アルカノールアミド、及びアルキルアミンオキサイドが挙げられる。ポリオキシアルキレンアルキルエーテルとしては、例えばラウレス、セテス、ステアレス、及びパレスが挙げられる。これらの界面活性剤の具体例は、単独で使用されてもよく、二種以上を組み合わせて使用されてもよい。 Examples of nonionic surfactants other than the component (B) include polyoxyalkylene alkyl ethers, polyoxyalkylene alkenyl ethers, polyoxyethylene sorbitan fatty acid esters, sucrose fatty acid esters, sorbitan fatty acid esters, and alkyl saccharide surface activity. Agents, glycerin fatty acid esters, polyoxyethylene hydrogenated castor oil, fatty acid alkanolamides, and alkylamine oxides. Examples of the polyoxyalkylene alkyl ether include laureth, ceteth, steareth, and palace. Specific examples of these surfactants may be used alone or in combination of two or more.
糖類としては、例えばソルビトール、及びマルトースが挙げられる。防腐剤としては、例えばパラベンが挙げられる。安定剤としては、例えばフェナセチン、８−ヒドロキシキノリン、アセトアニリド、ピロリン酸ナトリウム、バルビツール酸、尿酸、及びタンニン酸が挙げられる。ｐＨ調整剤としては、例えば乳酸、グリコール酸、酒石酸、リンゴ酸、ピロリドンカルボン酸（ＰＣＡ）、コハク酸、クエン酸、グルタミン酸、２−アミノ−２−メチル−１−プロパノール（ＡＭＰ）、トリエタノールアミン（ＴＥＡ）、及びアルギニンが挙げられる。酸化防止剤としては、例えばアスコルビン酸が挙げられる。 Examples of the saccharide include sorbitol and maltose. Examples of the preservative include parabens. Examples of the stabilizer include phenacetin, 8-hydroxyquinoline, acetanilide, sodium pyrophosphate, barbituric acid, uric acid, and tannic acid. Examples of the pH adjuster include lactic acid, glycolic acid, tartaric acid, malic acid, pyrrolidone carboxylic acid (PCA), succinic acid, citric acid, glutamic acid, 2-amino-2-methyl-1-propanol (AMP), and triethanolamine. (TEA), and arginine. Examples of the antioxidant include ascorbic acid.
本実施形態の水中油型乳化化粧料によれば、以下のような効果を得ることができる。
（１）本実施形態では、非極性油剤が比較的多く配合される水中油型乳化化粧料において、一般式（１）で表わされる非イオン性界面活性剤、並びにアミノ変性シリコーン及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤を併用した。したがって、水中油型乳化化粧料の外観及び安定性、並びに毛髪に適用する場合の塗布感及び感触を向上させることができる。
According to the oil-in-water emulsified cosmetic of the present embodiment, the following effects can be obtained.
(1) In this embodiment, in an oil-in-water emulsion cosmetic in which a relatively large amount of nonpolar oil is blended, from the nonionic surfactant represented by the general formula (1), amino-modified silicone and higher fatty acid ester At least one selected polar oil was used in combination. Accordingly, it is possible to improve the appearance and stability of the oil-in-water emulsified cosmetic, and the feeling of application and feel when applied to hair.
（２）本実施形態では、粘度が１００ｍｍ２／ｓ以下のジメチルポリシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、及び炭素数３０以下のイソパラフィンから選ばれる少なくとも一種の非極性油剤を１５〜４０質量％を配合した。したがって、使用感、並びに毛髪に適用する場合の塗布感及び感触を向上させることができる。 (2) In this embodiment, at least one nonpolar oil agent selected from dimethylpolysiloxane having a viscosity of 100 mm 2 / s or less, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and isoparaffin having 30 or less carbon atoms is used. -40 mass% was mix | blended. Therefore, it is possible to improve the feeling of use and the feeling of application and feel when applied to hair.
（３）本実施形態において、（Ａ）成分の含有量と（Ｂ）成分の含有量は、質量比で（Ｂ）／（Ａ）＝０．０５〜０．６の範囲にあることが好ましい。それにより、使用感をより向上させることができる。また、水中油型乳化化粧料が毛髪に適用される場合、塗布感及び感触をより向上させることができる。 (3) In the present embodiment, the content of the component (A) and the content of the component (B) are preferably in the range of (B) / (A) = 0.05 to 0.6 by mass ratio. . Thereby, a usability can be improved more. Moreover, when an oil-in-water type emulsified cosmetic is applied to hair, a feeling of application and a touch can be improved more.
なお、上記実施形態は以下のように変更してもよい。
・上記実施形態において、水中油型乳化化粧料を構成する各成分を全て配合する１剤式として構成した。しかしながら、各成分を分離して複数剤式に構成し、使用直前にそれらを混合するよう構成してもよい。
In addition, you may change the said embodiment as follows.
-In the said embodiment, it comprised as 1 agent type | mold which mix | blends each component which comprises an oil-in-water type emulsion cosmetic. However, each component may be separated into a multi-drug form and mixed immediately before use.
・上記実施形態において、適用形態としては特に限定されず、例えばヘアクリーム、ハンドクリーム、及びフェイスクリームが挙げられる。
・上記実施形態において、塗布方法は、特に限定されず、公知の方法を適宜使用することができる。例えば毛髪に適用する場合、コーム又は刷毛を用いた塗布方法、手櫛による塗布方法、スプレー（噴霧）による塗布方法を挙げることができる。
-In the said embodiment, it does not specifically limit as an application form, For example, a hair cream, hand cream, and face cream are mentioned.
-In the said embodiment, the coating method is not specifically limited, A well-known method can be used suitably. For example, when applying to hair, the application method using a comb or a brush, the application method by a hand comb, the application method by spraying (spraying) can be mentioned.
次に、実施例及び比較例を挙げて前記実施形態をさらに具体的に説明する。
表１及び表２に示す各成分を混合し、ヘアクリームを調製した。そのヘアクリームについて、外観及び安定性、並びに毛髪に適用した際の塗布感及び感触について評価を行なった。それらの評価結果を表１，２に示す。なお、表１，２における各成分の配合を示す数値の単位は質量％である。また、表中における（Ａ）〜（Ｄ）の表記は、本願請求項記載の各成分に対応する化合物を示す。一方、表中におけるａ，ｂの表記は、本願請求項記載の各成分の対比化合物を示す。
Next, the embodiment will be described more specifically with reference to examples and comparative examples.
Each component shown in Table 1 and Table 2 was mixed to prepare a hair cream. The hair cream was evaluated for appearance and stability, as well as a feeling of application and feel when applied to hair. The evaluation results are shown in Tables 1 and 2. In addition, the unit of the numerical value which shows the mixing | blending of each component in Table 1, 2 is the mass%. Moreover, the notation of (A)-(D) in a table | surface shows the compound corresponding to each component of this-application claim. On the other hand, the notations a and b in the table indicate comparative compounds of the respective components described in the claims of the present application.
＜外観＞
各実施例及び比較例のヘアクリームについて、パネラー２０名が目視にてツヤのある美観を生じさせるか否かを評価することにより、外観を判断した。パネラー２０人中、美観を生じさせると評価した人数が１８人以上の場合を「優れる」とし、１１人〜１７人の場合を「良好」とし、４人〜１０人の場合を「やや悪い」とし、４人未満の場合を「悪い」とした。
<Appearance>
About the hair cream of each Example and the comparative example, the appearance was judged by evaluating whether 20 panelists produced the glossy beauty visually. Out of 20 panelists, the number of people evaluated to generate aesthetics is 18 or more is “excellent”, 11 to 17 is “good”, and 4 to 10 is “slightly bad”. In the case of less than 4 people, it was judged as “bad”.
＜安定性＞
各実施例及び比較例のヘアクリームについて、ガラス瓶に入れ、５０℃の恒温漕中で１ヶ月間保存した後にヘアクリームの分離状態を目視にて評価することにより安定性が良いか否かを判断した。分離が全く認められないもの「優れる」、分離がほとんど認められないもの「良好」、分離がやや認められるもの「やや悪い」、分離がかなり認められるもの「悪い」とした。
<Stability>
About hair cream of each example and comparative example, it is judged whether stability is good by putting it in a glass bottle and storing it for one month in a constant temperature bath at 50 ° C. to visually evaluate the separation state of the hair cream. did. The sample was classified as “excellent” in which no separation was observed, “good” in which separation was hardly observed, “slightly bad” in which separation was slightly recognized, and “bad” in which separation was considerably recognized.
＜塗布感＞
各実施例及び比較例のヘアクリームについて、パネラー２０名が手で毛髪に塗布する際の感触について判断した。使用時の感触がしっとりとしてコクがある場合を「優れる」、少しさらっとしている場合を「良好」、べたつきがある場合を「やや悪い」、水っぽい場合を「悪い」とした。
<Apply feeling>
About the hair cream of each Example and a comparative example, 20 panelists judged about the touch at the time of apply | coating to hair by hand. A case where the feel during use was moist and rich was designated as “excellent”, a case where it was a little bit smooth, “good”, a case where it was sticky, “slightly bad”, and a case where it was watery, “bad”.
＜感触＞
各実施例及び比較例のヘアクリームを毛束に刷毛を用いて塗布し、３０℃で３０分放置することにより各ヘアクリーム処理毛束を得た。
<Feel>
Each hair cream-treated hair bundle was obtained by applying the hair cream of each Example and Comparative Example to the hair bundle using a brush and leaving it at 30 ° C. for 30 minutes.
２０名のパネラーが毛束に指を通し、ざらつき感があるか否かで評価し、ざらつきがないと評価した人数が１８人以上の場合を「優れる」とし、１１人〜１７人の場合を「良好」とし、４人〜１０人の場合を「やや悪い」とし、４人未満の場合を「悪い」とした。 20 panelists put their fingers through the hair bundle and evaluated whether or not there is a feeling of roughness. The case where the number of persons who evaluated that there is no roughness is 18 or more is “excellent”. “Fair”, 4 to 10 cases were “slightly bad”, and less than 4 were “bad”.
一方、表２に示されるように（Ａ）非極性油剤を含有しない比較例１では、ヘアクリームの外観が低下する結果となった。また、比較例１では毛髪に適用した際の塗布感及び感触が「悪い」結果となった。（Ａ）非極性油剤の代わりに別の油剤を使用した比較例２〜４は、いずれの評価も低いことがわかる。また、（Ａ）非極性油剤の配合量が１５質量％未満の比較例５は、外観、塗布感及び感触の向上効果は得られないことがわかる。また、（Ａ）非極性油剤の配合量が４０質量％を越える比較例６は、外観、安定性及び塗布感が低下することがわかる。 On the other hand, as shown in Table 2, (A) Comparative Example 1 containing no non-polar oil agent resulted in a decrease in the appearance of the hair cream. Moreover, in the comparative example 1, the application feeling and the touch at the time of applying to hair brought a "bad" result. (A) Comparative Examples 2-4 which used another oil agent instead of a nonpolar oil agent show that all evaluation is low. Moreover, it turns out that the improvement effect of an external appearance, an application feeling, and a touch is not obtained for the comparative example 5 whose compounding quantity of (A) nonpolar oil agent is less than 15 mass%. Moreover, it turns out that the external appearance, stability, and coating feeling fall in the comparative example 6 in which the compounding quantity of (A) nonpolar oil agent exceeds 40 mass%.
（Ｂ）成分を含有しない比較例７は、ヘアクリームの外観及び安定性が低下する結果となった。また、比較例７では塗布感が「やや悪い」結果となった。（Ｂ）成分の代わりに別の界面活性剤を使用した比較例８〜１１は、ヘアクリームの外観及び安定性の改善効果は認められなかった。（Ｂ）成分の配合量が１質量％未満の比較例１２は、ヘアクリームの外観及び安定性の向上効果は得られないことがわかる。（Ｂ）成分の配合量が１０質量％を越える比較例１３は、ヘアクリームの外観及び塗布感が低下することがわかる。 The comparative example 7 which does not contain (B) component resulted in the appearance and stability of a hair cream falling. In Comparative Example 7, the coating feeling was “slightly bad”. In Comparative Examples 8 to 11 in which another surfactant was used instead of the component (B), no effect of improving the appearance and stability of the hair cream was observed. It can be seen that Comparative Example 12 in which the blending amount of the component (B) is less than 1% by mass cannot obtain the effect of improving the appearance and stability of the hair cream. It can be seen that in Comparative Example 13 in which the blending amount of the component (B) exceeds 10% by mass, the appearance and feeling of application of the hair cream are lowered.
（Ｃ）成分を含有しない比較例１４，１５は、外観及び塗布感が低下する結果となった。（Ｂ）成分の代わりにカルボキシビニルポリマーを配合した比較例１６は、外観、塗布感、及び感触の向上効果は得られないことがわかる。（Ｂ）成分の代わりにセタノールの配合量を増加させた比較例１７は、いずれの効果も得られないことがわかる。 Comparative Examples 14 and 15 containing no component (C) resulted in a decrease in appearance and feeling of application. It turns out that the comparative example 16 which mix | blended the carboxy vinyl polymer instead of (B) component cannot obtain the external appearance, a coating feeling, and the improvement effect of a touch. It turns out that the comparative example 17 which increased the compounding quantity of the cetanol instead of (B) component cannot acquire any effect.
次に、上記実施形態及び別例から把握できる技術的思想について、それらの効果とともに以下に追記する。
（ａ）前記一般式（１）で表されるポリオキシエチレンジアルキルエーテルは、ポリオキシエチレン（平均重合度＝５０〜１００）セチルステアリルジエーテル、及びセテアレス（平均重合度＝５０〜１００）ミリスチルグリコールから選ばれる少なくとも一種である前記水中油型乳化化粧料。
Next, technical ideas that can be grasped from the above-described embodiment and other examples will be described below together with their effects.
(A) The polyoxyethylene dialkyl ether represented by the general formula (1) includes polyoxyethylene (average polymerization degree = 50 to 100) cetyl stearyl diether and ceteares (average polymerization degree = 50 to 100) myristyl glycol. The oil-in-water emulsified cosmetic, which is at least one selected from:
（ｂ）前記アミノ変性シリコーンは、アミノプロピルジメチコン、及びモジメチコンから選ばれる少なくとも一種である前記水中油型乳化化粧料。
（ｃ）前記高級脂肪酸エステルは、ミリスチン酸イソプロピル及びマカデミアナッツ油から選ばれる少なくとも一種である前記水中油型乳化化粧料。
(B) The oil-in-water emulsified cosmetic, wherein the amino-modified silicone is at least one selected from aminopropyl dimethicone and modimethicone.
(C) The oil-in-water emulsion cosmetic, wherein the higher fatty acid ester is at least one selected from isopropyl myristate and macadamia nut oil.
Claims (2)
（Ａ）粘度が１００ｍｍ２／ｓ以下のジメチルポリシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、及び炭素数３０以下のイソパラフィンから選ばれる少なくとも一種の非極性油剤を１５〜４０質量％。
（Ｂ）下記一般式（１）で表されるポリオキシエチレンジアルキルエーテルを１〜１０質量％。
Ｒ１−（ＯＣＨ２ＣＨ２）ｎ−Ｏ−Ｒ２…（１）
（式中、Ｒ１、Ｒ２はそれぞれ炭素数１０〜２２の飽和又は不飽和の直鎖又は分岐鎖状炭化水素基で、かつ炭化水素中の任意の水素原子が水酸基に置換されていてもよい基を表し、Ｒ１及びＲ２は同一でも異なっていてもよい。またｎは２０〜１００の整数をあらわす）
（Ｃ）アミノ変性シリコーン、及び高級脂肪酸エステルから選ばれる少なくとも一種の極性油剤を０．０１〜１０質量％。
（Ｄ）水。 An oil-in-water emulsified cosmetic comprising the following components (A) to (D):
(A) 15 to 40% by mass of at least one nonpolar oil selected from dimethylpolysiloxane having a viscosity of 100 mm 2 / s or less, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and isoparaffin having 30 or less carbon atoms.
(B) 1-10 mass% of polyoxyethylene dialkyl ether represented by the following general formula (1).
R 1 — (OCH 2 CH 2 ) n —O—R 2 (1)
(In the formula, each of R 1 and R 2 is a saturated or unsaturated linear or branched hydrocarbon group having 10 to 22 carbon atoms, and any hydrogen atom in the hydrocarbon is substituted with a hydroxyl group. Represents a good group, and R 1 and R 2 may be the same or different, and n represents an integer of 20 to 100)
(C) 0.01-10 mass% of at least 1 type of polar oil agent chosen from amino modified silicone and higher fatty acid ester.
(D) Water.
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