JP2013082663A - Oil-in-water type emulsion skin cosmetic - Google Patents

Oil-in-water type emulsion skin cosmetic Download PDF

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JP2013082663A
JP2013082663A JP2012056162A JP2012056162A JP2013082663A JP 2013082663 A JP2013082663 A JP 2013082663A JP 2012056162 A JP2012056162 A JP 2012056162A JP 2012056162 A JP2012056162 A JP 2012056162A JP 2013082663 A JP2013082663 A JP 2013082663A
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copolymer
oil
skin cosmetic
water
hdi
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JP6029297B2 (en
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Rei Matsuo
玲 松尾
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Shiseido Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a skin cosmetic in which the post-application stickiness of a skin cosmetic blended with a (PEG-240/decyltetradeceth-20/HDI) copolymer which is utilized for a serum or the like owing to its peculiar elastic feeling is improved, and which also has an elastic feeling.SOLUTION: The oil-in-water type emulsion skin cosmetic includes the following (a) to (f): (a) the (PEG-240/decyltetradeceth-20/HDI) copolymer; (b) a silicone polymer; (c) one or more selected from the group consisting of gellan gum, xanthan gum, succinoglucan, an alkyl acrylate/methacrylate copolymer, an (acrylic acid/Na acryloyldimethyltaurate) copolymer, an (ammonium acryloyldimethyltaurate/VP) copolymer and an (ammonium acryloyldimethyltaurate/beheneth-25 methacrylate) crosspolymer; (d) an emulsifier; (e) silicone oil; and (f) water.

Description

本発明は水中油型乳化皮膚化粧料に関する。さらに詳しくは、(PEG−240/デシルテトラデセス−20/HDI)コポリマーを配合した皮膚化粧料は独特の弾力感を有するため、美容液などに活用されているが、塗布後のべたつきがあるため、当該べたつきを改善し、かつ弾力感を有する水中油型乳化皮膚化粧料に関する。   The present invention relates to an oil-in-water emulsified skin cosmetic. More specifically, skin cosmetics formulated with (PEG-240 / decyltetradeceth-20 / HDI) copolymer have a unique elasticity and are used in cosmetic liquids, but have stickiness after application. Therefore, the present invention relates to an oil-in-water emulsified skin cosmetic that improves the stickiness and has a feeling of elasticity.

水中油型乳化皮膚化粧料はさっぱりした使用感を有するため、皮膚化粧料として多用されている。   Oil-in-water emulsified skin cosmetics have a refreshing feeling of use, and are therefore frequently used as skin cosmetics.

一方、(PEG−240/デシルテトラデセス−20/HDI)コポリマー(商品名:アデカノールGT−700:ADEKA)を配合した皮膚化粧料は独特の弾力感を有するため、美容液などに活用されている。アデカノールGT−700を使用した増粘剤組成物は特許文献1に開示されているが、上述したように、皮膚化粧料に配合すると独特の弾力感を有する使用感を発揮するため、美容液などに活用されている。   On the other hand, skin cosmetics formulated with (PEG-240 / decyltetradeces-20 / HDI) copolymer (trade name: Adecanol GT-700: ADEKA) have a unique elasticity, so they are used in cosmetic liquids and the like. Yes. A thickener composition using Adecanol GT-700 is disclosed in Patent Document 1, but as described above, when blended with skin cosmetics, it exhibits a feeling of use that has a unique elasticity, and therefore, a cosmetic liquid, etc. It is used for.

また、特許文献2には、α−ヒドロキシ酸を1.0〜7.0質量%含む皮膚外用剤を皮膚に塗布後、所定時間経過後に洗い流す操作を2〜3日おいて繰り返すことを特徴とする美肌を目的とする美容方法において、アデカノールGT−700を当該皮膚外用剤に配合することが開示されている。   Further, Patent Document 2 is characterized in that after applying a skin external preparation containing 1.0 to 7.0% by mass of α-hydroxy acid to the skin, an operation of washing after a predetermined time has elapsed is repeated for 2 to 3 days. In the cosmetic method for the purpose of making beautiful skin, it is disclosed that Adecanol GT-700 is blended with the external preparation for skin.

特開2000−234085号公報JP 2000-234085 A 特開2011−006372号公報JP 2011-006372 A

しかしながら、(PEG−240/デシルテトラデセス−20/HDI)コポリマーを配合した皮膚化粧料は塗布後のべたつきがあるため、当該べたつきを改善し、かつ弾力感を有する水中油型乳化皮膚化粧料の開発が期待されていた。   However, since the skin cosmetic containing the (PEG-240 / decyltetradeces-20 / HDI) copolymer has a stickiness after application, the oil-in-water emulsified skin cosmetic has improved stickiness and has a feeling of elasticity. The development of was expected.

本発明者は上述の課題に鑑み、(PEG−240/デシルテトラデセス−20/HDI)コポリマーを配合した皮膚化粧料に関して鋭意研究した結果、(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーと、(b)シリコーンポリマーと、(c)ジェランガム、キサンタンガム、サクシノグルカン、アクリル酸・メタクリル酸アルキル共重合体、(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー、(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー、(アクリロイルジメチルタウリンアンモニウム/メタクリル酸ベヘネス−25)クロスポリマーからなる群から選択される1種又は2種以上と、(d)乳化剤と、(e)シリコーン油と、(f)水とを含有する水中油型乳化皮膚化粧料が、(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーに起因するべたつきを改善し、かつ弾力感を有し、さらに乳化安定性にも優れることを見出し、本発明を完成するに至った。   In view of the above-mentioned problems, the present inventors have conducted intensive research on skin cosmetics containing (PEG-240 / decyltetradeceth-20 / HDI) copolymer. As a result, (a) (PEG-240 / decyltetradeceth- 20 / HDI) copolymer, (b) silicone polymer, (c) gellan gum, xanthan gum, succinoglucan, acrylic acid / alkyl methacrylate copolymer, (acrylic acid / acryloyldimethyltaurine Na) copolymer, (acryloyldimethyltaurine) One or more selected from the group consisting of (ammonium / VP) copolymer, (acryloyldimethyltaurium ammonium / behenes methacrylate-25) crosspolymer, (d) an emulsifier, (e) a silicone oil, and (f ) Oil-in-water emulsified skin cosmetics containing water (A) (PEG-240 / decyltetradeceth-20 / HDI) To improve the stickiness attributed to the copolymer, to have elasticity, and to be excellent in emulsion stability, and to complete the present invention It came.

本発明の目的は、(PEG−240/デシルテトラデセス−20/HDI)コポリマーを配合した皮膚化粧料において、べたつきを改善し、かつ弾力感を有し、さらには、乳化安定性にも優れる水中油型乳化皮膚化粧料を提供することである。   The object of the present invention is to improve the stickiness and elasticity in skin cosmetics formulated with (PEG-240 / decyltetradeceth-20 / HDI) copolymer, and is excellent in emulsion stability. It is to provide an oil-in-water emulsified skin cosmetic.

すなわち、本発明は、下記(a)〜(f)を含有することを特徴とする水中油型乳化皮膚化粧料を提供するものである。
(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマー
(b)シリコーンポリマー
(c)ジェランガム、キサンタンガム、サクシノグルカン、アクリル酸・メタクリル酸アルキル共重合体、(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー、(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー、(アクリロイルジメチルタウリンアンモニウム/メタクリル酸ベヘネス−25)クロスポリマーからなる群から選択される1種又は2種以上
(d)乳化剤
(e)シリコーン油
(f)水
That is, this invention provides the oil-in-water type emulsified skin cosmetic characterized by containing the following (a)-(f).
(A) (PEG-240 / decyltetradeces-20 / HDI) copolymer (b) silicone polymer (c) gellan gum, xanthan gum, succinoglucan, acrylic acid / alkyl methacrylate copolymer, (acrylic acid / acryloyldimethyl) One or more selected from the group consisting of taurine Na) copolymer, (acryloyldimethyltauronium ammonium / VP) copolymer, (acryloyldimethyltaurine ammonium / behenes methacrylate-25) crosspolymer (d) emulsifier (e) silicone Oil (f) Water

また、本発明は、前記(d)乳化剤が、POE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体であることを特徴とする上記の水中油型乳化皮膚化粧料を提供するものである。   Further, the present invention provides the oil-in-water emulsified skin cosmetic as described above, wherein (d) the emulsifier is POE (20) glyceryl isostearate and / or a polyoxyethylene / methylpolysiloxane copolymer. It is to provide.

本発明の水中油型乳化皮膚化粧料は、(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーによるべたつきを改善し、かつ弾力感を有する、優れた使用感を有する皮膚化粧料である。
さらに、本発明の水中油型乳化皮膚化粧料は、乳化安定性にも優れている。
The oil-in-water type emulsified skin cosmetic of the present invention is a skin makeup with excellent feeling of use that has improved stickiness due to (a) (PEG-240 / decyltetradeceth-20 / HDI) copolymer and has a feeling of elasticity. It is a fee.
Furthermore, the oil-in-water emulsified skin cosmetic of the present invention is also excellent in emulsion stability.

以下、本発明を詳述する。   The present invention is described in detail below.

「(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマー」
本発明に用いる(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーは、化粧料中にて少量の配合で優れた増粘効果を示す会合性増粘剤である。
本発明においては、市販品のアデカノールGT−700(ADEKA)を好ましく使用できる。その構造は合成高分子であるポリエチレングリコールの両末端をデシルテトラデシルアルコールで修飾した構造を有し、平均重量分子量は約5万(GPC法)である。
本発明の水中油型乳化皮膚化粧料においては、成分(a)により、皮膚化粧料の製剤としての弾力感を付与することができる。
さらに、本発明においては、主に(b)シリコーンポリマーの配合により、成分(a)により引き起こされる塗布後のべたつきを改善した。
以上から、本発明の水中油型乳化皮膚化粧料は、弾力感があり、かつべたつきが抑制されるという優れた使用感を発揮するという顕著な効果を有する新規有用な発明である。
"(A) (PEG-240 / decyltetradeceth-20 / HDI) copolymer"
The (a) (PEG-240 / decyltetradeceth-20 / HDI) copolymer used in the present invention is an associative thickener that exhibits an excellent thickening effect in a small amount of the cosmetic.
In the present invention, commercially available Adecanol GT-700 (ADEKA) can be preferably used. The structure has a structure in which both ends of polyethylene glycol, which is a synthetic polymer, are modified with decyltetradecyl alcohol, and the average weight molecular weight is about 50,000 (GPC method).
In the oil-in-water emulsified skin cosmetic of the present invention, elasticity as a skin cosmetic preparation can be imparted by the component (a).
Furthermore, in the present invention, the stickiness after coating caused by the component (a) is improved mainly by blending the (b) silicone polymer.
From the above, the oil-in-water emulsified skin cosmetic of the present invention is a novel and useful invention that has a remarkable effect that it has a feeling of elasticity and exhibits excellent use feeling that stickiness is suppressed.

(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーの配合量は、水中油型乳化皮膚化粧料全量に対して、通常、0.5〜5質量%、好ましくは、1〜3質量%、さらに好ましくは、1.2〜2質量%である。   The blending amount of (a) (PEG-240 / decyltetradeces-20 / HDI) copolymer is usually 0.5 to 5% by mass, preferably 1 to 4%, based on the total amount of the oil-in-water emulsified skin cosmetic. It is 3 mass%, More preferably, it is 1.2-2 mass%.

「(b)シリコーンポリマー」
本発明に用いる(b)シリコーンポリマーは、(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマーのべたつきを抑制する成分であり、当該効果は本発明者により見出された予期せぬ顕著な効果である。
(b)シリコーンポリマーとしては、「高重合度ジメチルシリコーン(重合度5000〜8000)(商品名:シリコーン G−10、信越化学工業)」や、「アミノ変性高分子シリコーン/ジメチルポリシロキサン20CS(10%)(商品名:APS−10−DMS、不二化成)」や、「アルキル架橋ポリメチルシロキサン、環状ジメチルポリシロキサン(商品名:Dow CorningR 9045 Silicone Elastomer Blend、東レ・ダウコーニング)」や、「ジメチコン/ビニルメチコンクロスポリマー(商品名:KSG−15AP、信越化学工業)」が好ましく使用される。これらのポリマーは複数併用してもよい。
なお、「アルキル架橋ポリメチルシロキサン、環状ジメチルポリシロキサン(商品名:Dow CorningR 9045 Silicone Elastomer Blend、東レ・ダウコーニング)」の組成は、主ポリマー(表示名称:ジメチコンクロスポリマー)が12.5質量%であり、環状ジメチルポリシロキサン(5量体、表示名称:シクロペンタシロキサン)が87.5質量%である。
本発明に用いる(b)シリコーンポリマーとしては高重合度ジメチルシリコーンとアミノ変性高分子シリコーン/ジメチルポリシロキサン20CS(10%)が特に好ましく、高重合度ジメチルシリコーンが最も好ましい。
“(B) Silicone polymer”
The (b) silicone polymer used in the present invention is a component that suppresses the stickiness of the (a) (PEG-240 / decyltetradeceth-20 / HDI) copolymer, and the effect is the expectation found by the present inventors. This is a remarkable effect.
(B) Examples of the silicone polymer include “high polymerization degree dimethyl silicone (polymerization degree 5000 to 8000) (trade name: Silicone G-10, Shin-Etsu Chemical Co., Ltd.)” and “amino-modified polymer silicone / dimethylpolysiloxane 20CS (10 %) (Trade name: APS-10-DMS, Fuji Kasei) "," alkyl cross-linked polymethylsiloxane, cyclic dimethylpolysiloxane (trade name: Dow Corning R 9045 Silicone Elastomer Blend, Toray Dow Corning) " “Dimethicone / vinyl methicone crosspolymer (trade name: KSG-15AP, Shin-Etsu Chemical Co., Ltd.)” is preferably used. A plurality of these polymers may be used in combination.
The composition of “alkyl-crosslinked polymethylsiloxane, cyclic dimethylpolysiloxane (trade name: Dow Corning R 9045 Silicone Elastomer Blend, Toray Dow Corning)” is 12.5 mass of the main polymer (display name: dimethicone crosspolymer). %, And cyclic dimethylpolysiloxane (pentamer, display name: cyclopentasiloxane) is 87.5% by mass.
As the (b) silicone polymer used in the present invention, dimethyl silicone having a high degree of polymerization and amino-modified polymer silicone / dimethylpolysiloxane 20CS (10%) are particularly preferred, and dimethyl silicone having a high degree of polymerization is most preferred.

(b)シリコーンポリマーの配合量は、水中油型乳化皮膚化粧料全量に対して、通常、ポリマー純分として、0.001〜2質量%、好ましくは、0.01〜1質量%、さらに好ましくは、0.01〜0.5質量%である。   (B) The blending amount of the silicone polymer is usually from 0.001 to 2% by mass, preferably from 0.01 to 1% by mass, more preferably as the polymer pure content, based on the total amount of the oil-in-water emulsified skin cosmetic. Is 0.01-0.5 mass%.

「(c)ジェランガム、キサンタンガム、サクシノグルカン、アクリル酸・メタクリル酸アルキル共重合体、(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー、(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー、(アクリロイルジメチルタウリンアンモニウム/メタクリル酸ベヘネス−25)クロスポリマーからなる群から選択される1種又は2種以上」
成分(c)の化合物は増粘剤であり、本発明においては、主に、製剤である水中油型乳化組成物の乳化安定性に寄与する成分である。
上記の化合物はいずれも市販品を使用することができる。
上記化合物の中では特にジェランガムが好ましい。
“(C) Gellan gum, xanthan gum, succinoglucan, acrylic acid / alkyl methacrylate copolymer, (acrylic acid / acryloyldimethyltaurine Na) copolymer, (acryloyldimethyltaurine ammonium / VP) copolymer, (acryloyldimethyltaurine ammonium / methacrylic acid) Acid behenes-25) one or more selected from the group consisting of cross polymers "
The compound of component (c) is a thickener, and in the present invention, it is a component that mainly contributes to the emulsion stability of the oil-in-water emulsion composition that is a preparation.
Commercially available products can be used for any of the above compounds.
Among the above compounds, gellan gum is particularly preferable.

成分(c)ジェランガム、キサンタンガム、サクシノグルカン、アクリル酸・メタクリル酸アルキル共重合体、(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー、(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー、(アクリロイルジメチルタウリンアンモニウム/メタクリル酸ベヘネス−25)クロスポリマーからなる群から選択される1種又は2種以上の配合量は、水中油型乳化皮膚化粧料全量に対して、通常、0.05〜0.5質量%、好ましくは、0.1〜0.3%、さらに好ましくは、0.1〜0.25質量%である。   Component (c) Gellan gum, xanthan gum, succinoglucan, acrylic acid / alkyl methacrylate copolymer, (acrylic acid / acryloyldimethyltaurine Na) copolymer, (acryloyldimethyltaurine ammonium / VP) copolymer, (acryloyldimethyltaurine ammonium / methacrylic acid) Acid Behenes-25) The amount of one or more selected from the group consisting of crosspolymers is usually 0.05 to 0.5% by mass, preferably based on the total amount of the oil-in-water emulsified skin cosmetic. Is 0.1 to 0.3%, more preferably 0.1 to 0.25% by mass.

「(d)乳化剤」
本発明に用いる乳化剤は、POE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体が好ましい。通常はどちらか一種の乳化剤を用いるが、場合によっては併用しても良い。これらの乳化剤は市販品を使用することが出来る。
“(D) Emulsifier”
The emulsifier used in the present invention is preferably POE (20) glyceryl isostearate and / or a polyoxyethylene / methylpolysiloxane copolymer. Usually, either type of emulsifier is used, but in some cases, it may be used in combination. These emulsifiers can use a commercial item.

(d)乳化剤の配合量は、水中油型乳化皮膚化粧料全量に対して、通常、0.01〜2質量%、好ましくは、0.05〜1%、さらに好ましくは、0.1〜0.5質量%である。   (D) The compounding quantity of an emulsifier is 0.01-2 mass% normally with respect to the oil-in-water type emulsified skin cosmetics whole quantity, Preferably, it is 0.05-1%, More preferably, it is 0.1-0. 0.5% by mass.

「(e)シリコーン油」
本発明に用いるシリコーン油は、例えば、低重合ジメチルポリシロキサンや環状ポリシロキサン(オクタメチルシクロテトラシロキサン、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等)などの揮発性シリコーンや、メチフェニルポリシロキサンを好ましく使用できる。
当該油分は、水中油型乳化皮膚化粧料の油相を構成する油分である。
本発明において、油相を構成する主成分はシリコーン油であるが、本発明の効果を損なわない範囲で、その他の任意の油分を適宜配合することも可能である。
例えば、炭化水素油、液体油脂、固体油脂、ロウ、高級脂肪酸、高級アルコール、エステル油、シリコーン油などを適宜配合することが可能である。
"(E) Silicone oil"
Examples of the silicone oil used in the present invention include volatile silicones such as low-polymerized dimethylpolysiloxane and cyclic polysiloxane (octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc.), and methylphenylpolysiloxane. Can be preferably used.
The said oil component is an oil component which comprises the oil phase of an oil-in-water type emulsified skin cosmetic.
In the present invention, the main component constituting the oil phase is silicone oil, but any other oil can be appropriately blended within the range not impairing the effects of the present invention.
For example, hydrocarbon oils, liquid fats and oils, solid fats and oils, waxes, higher fatty acids, higher alcohols, ester oils, silicone oils, and the like can be appropriately blended.

(e)シリコーン油の配合量は、水中油型乳化皮膚化粧料全量に対して、通常、0.1〜20質量%、好ましくは、1〜10%、さらに好ましくは、3〜7質量%である。   (E) The blending amount of the silicone oil is usually 0.1 to 20% by mass, preferably 1 to 10%, more preferably 3 to 7% by mass with respect to the total amount of the oil-in-water emulsified skin cosmetic. is there.

「(f)水」
本発明に用いる(f)水は、水中油型乳化皮膚化粧料の水相を構成する成分である。水相には、エタノールや、グリセリン、1,3−ブチレングリコール等の水溶性保湿剤を配合することが好ましい。
“(F) Water”
(F) Water used for this invention is a component which comprises the water phase of oil-in-water type emulsified skin cosmetics. It is preferable to mix | blend water-soluble humectants, such as ethanol, glycerol, and 1, 3- butylene glycol, with an aqueous phase.

(f)水の配合量は、水中油型乳化皮膚化粧料全量に対して、通常、50〜95質量%、好ましくは、60〜90%、さらに好ましくは、70〜85質量%である。 (F) The blending amount of water is usually 50 to 95% by mass, preferably 60 to 90%, more preferably 70 to 85% by mass with respect to the total amount of the oil-in-water emulsified skin cosmetic.

本発明の水中油型乳化皮膚化粧料は、上記必須成分の他、本発明の効果を損なわない範囲で、保湿剤、粉末、エタノール、天然高分子、合成高分子、糖類、酸化防止剤、緩衝剤、各種抽出液、安定化剤、防腐剤、色素、香料等の通常化粧料に配合される成分を適宜配合して、常法により製造することができる。   The oil-in-water emulsified skin cosmetic of the present invention is a moisturizer, powder, ethanol, natural polymer, synthetic polymer, saccharide, antioxidant, buffer as long as the effects of the present invention are not impaired in addition to the above essential components. Ingredients that are usually blended in cosmetics such as agents, various extracts, stabilizers, preservatives, dyes, and fragrances can be blended as appropriate, and can be produced by conventional methods.

以下に実施例を挙げて本発明を更に具体的に説明するが、本発明はこれによって限定されるものではない。なお、特に断りのない限り、配合量は全量に対する質量%を表す。   The present invention will be described more specifically with reference to the following examples, but the present invention is not limited thereto. In addition, unless there is particular notice, a compounding quantity represents the mass% with respect to the whole quantity.

「表1」〜「表3」に示す処方にて、常法により、水中油型乳化皮膚化粧料である美容液を製造し、以下の評価を行った。   A cosmetic liquid, which is an oil-in-water emulsified skin cosmetic, was prepared by the conventional method using the formulations shown in “Table 1” to “Table 3”, and the following evaluations were performed.

「製剤の弾力感」
実施例及び比較例の皮膚化粧料からなる製剤の弾力感を、専門パネル10名で実使用試験を行い(実施例及び比較例の化粧料を顔面に塗布する)、優れた弾力感か否かを評価した。
<評価基準>
◎:10名中7名以上が優れた弾力感と答えた。
○:10名中3名以上6名以下が優れた弾力感と答えた。
×:10名中2名以下が優れた弾力感と答えた。
"Elasticity of formulation"
Whether or not the elasticity of the preparations of the skin cosmetics of the examples and comparative examples was tested with 10 professional panels (the cosmetics of the examples and comparative examples were applied to the face), and whether or not they had excellent elasticity Evaluated.
<Evaluation criteria>
A: 7 or more out of 10 responded with excellent elasticity.
○: 3 to 6 out of 10 responded with excellent elasticity.
X: 2 or less of 10 people answered excellent elasticity.

「塗布後のべたつき」
実施例及び比較例の皮膚化粧料からなる塗布後のべたつきを、専門パネル10名で実使用試験を行い(実施例及び比較例の化粧料を顔面に塗布する)、塗布後のべたつきについて評価した。
<評価基準>
◎:10名中7名以上が塗布後のべたつきを感じないと答えた。
○:10名中3名以上6名以下が塗布後のべたつきを感じないと答えた。
×:10名中2名以下が塗布後のべたつきを感じないと答えた。
"Stickness after application"
The stickiness after application consisting of skin cosmetics of Examples and Comparative Examples was subjected to an actual use test with 10 professional panels (the cosmetics of Examples and Comparative Examples were applied to the face), and the stickiness after application was evaluated. .
<Evaluation criteria>
A: 7 or more out of 10 responded that they did not feel sticky after application.
○: 3 to 6 out of 10 responded that they did not feel sticky after application.
X: 2 or less of 10 answered that they did not feel sticky after application.

「乳化安定性」
実施例及び比較例の皮膚化粧料をサンプル管に充填し、50℃の恒温槽に1ヶ月静置後、目視にてその外観を観察した。
<評価基準>
○:油相と水相が分離せず、安定した乳化状態を維持している。
×:油相と水相が分離して、乳化状態が崩壊している。
―:油分と乳化剤を配合せず、乳化組成物を製造していないので、試験をしていない。
"Emulsification stability"
The skin cosmetics of Examples and Comparative Examples were filled in a sample tube, allowed to stand in a thermostatic bath at 50 ° C. for 1 month, and then visually observed for appearance.
<Evaluation criteria>
○: The oil phase and the aqueous phase are not separated, and a stable emulsified state is maintained.
X: The oil phase and the water phase are separated, and the emulsified state is broken.
-: The oil and emulsifier were not blended, and the emulsion composition was not manufactured, so it was not tested.

Figure 2013082663
Figure 2013082663

「表1」の結果から、(a)会合性増粘剤の(PEG−240/デシルテトラデセス−20/HDI)コポリマーが0.5〜2質量%配合された実施例1〜4及び比較例1〜3は、本発明の水中油型乳化皮膚化粧料の全てにおいて、製剤の弾力感を有することが判明した。
また、(b)シリコーンポリマーを配合した実施例1〜4が塗布後のべたつきを抑制する効果を発揮することが判明した。
さらに、乳化安定性は、(d)乳化剤としてPOE(20)イソステアリン酸グリセリル又はPOE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体を配合した実施例1〜4は優れた乳化安定性を示すことが判明した。なお、(e)シリコーン油及び(d)乳化剤を配合していない比較例1及び比較例2は乳化物を形成しないので、乳化安定性の試験を行っていない。





































From the results shown in Table 1, Examples 1 to 4 in which (a) an associative thickener (PEG-240 / decyltetradeceth-20 / HDI) copolymer was blended in an amount of 0.5 to 2% by mass and comparison were made. Examples 1 to 3 were found to have the elasticity of the formulation in all of the oil-in-water emulsified skin cosmetics of the present invention.
Moreover, it turned out that Examples 1-4 which mix | blended (b) silicone polymer exhibit the effect which suppresses the stickiness after application | coating.
Furthermore, the emulsion stability is excellent in Examples 1-4 in which (d) POE (20) glyceryl isostearate or POE (20) glyceryl isostearate and / or polyoxyethylene / methylpolysiloxane copolymer is blended as an emulsifier. It was found that the emulsion showed stable emulsion stability. In addition, since the comparative example 1 and the comparative example 2 which do not mix | blend (e) silicone oil and (d) emulsifier do not form an emulsion, the emulsion stability test is not performed.





































Figure 2013082663
Figure 2013082663

「表2」の結果から、(a)会合性増粘剤の(PEG−240/デシルテトラデセス−20/HDI)コポリマーが0.5〜2質量%配合された実施例5〜8及び比較例4〜5は、本発明の水中油型乳化皮膚化粧料の全てにおいて、製剤の弾力感を有することが判明した。
また、(b)シリコーンポリマーを配合した実施例5〜8及び比較例4〜5が塗布後のべたつきを抑制する効果を発揮することが判明した。
さらに、乳化安定性は、乳化剤としてPOE(20)イソステアリン酸グリセリル又はPOE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体を配合した実施例5〜8は優れた乳化安定性を示すことが判明した。 なお、(b)増粘剤を配合せず、(a)会合性増粘剤のみで増粘させた比較例4は粘度の温度依存性が大きく、50℃で乳化粒子が浮上するいわゆるクリーミング現象が発生し乳化安定性に劣ることが判明した。









































From the results of “Table 2”, (a) Examples 5 to 8 in which 0.5 to 2 mass% of (PEG-240 / decyltetradeceth-20 / HDI) copolymer of associative thickener was blended and comparison Examples 4 to 5 were found to have the elasticity of the formulation in all of the oil-in-water emulsified skin cosmetics of the present invention.
Moreover, it turned out that Examples 5-8 and Comparative Examples 4-5 which mix | blended the (b) silicone polymer exhibit the effect which suppresses the stickiness after application | coating.
Furthermore, the emulsion stability was excellent in emulsion stability in Examples 5 to 8 in which POE (20) glyceryl isostearate or POE (20) glyceryl isostearate and / or polyoxyethylene / methylpolysiloxane copolymer was blended as an emulsifier. It was found to show sex. In addition, Comparative Example 4 in which (b) no thickener was added and (a) only the associative thickener was used had a large temperature dependency of viscosity, and so-called creaming phenomenon in which emulsified particles floated at 50 ° C. It was found that the emulsion stability was poor.









































Figure 2013082663
*1:商品名 アデカノールGT−700(ADEKA)
*2:商品名 ケルトロール(kelco)
*3:商品名 PEMULEN TR-2
*4:商品名 シリコーンKF-96A-6T(信越化学工業)
*5:商品名 シリコーンKF56(信越化学工業)
*6:商品名 シリコーンG−10(信越化学工業)
*7:商品名 APS−10−DMS(不二化成)
*8:商品名 Dow Corning(R)9045 Silicone Elastomer Blend(東レ・ダウコーニング)
*9:商品名 KSG−15AP(信越化学工業)
*10:商品名 エマレックスGWIS-120(日本エマルジョン)
*11:商品名 KF−6028(信越化学工業)
Figure 2013082663
* 1: Product name Adecanol GT-700 (ADEKA)
* 2: Product name Celtic roll (kelco)
* 3: Product name PEMULEN TR-2
* 4: Product name Silicone KF-96A-6T (Shin-Etsu Chemical)
* 5: Product name Silicone KF56 (Shin-Etsu Chemical)
* 6: Product name Silicone G-10 (Shin-Etsu Chemical)
* 7: Product name APS-10-DMS (Fuji Kasei)
* 8: Product name Dow Corning (R) 9045 Silicone Elastomer Blend (Toray Dow Corning)
* 9: Product name KSG-15AP (Shin-Etsu Chemical)
* 10: Product name EMALEX GWIS-120 (Japan Emulsion)
* 11: Product name KF-6028 (Shin-Etsu Chemical)

「表3」の結果から、(a)会合性増粘剤の(PEG−240/デシルテトラデセス−20/HDI)コポリマーが0.4〜4質量%配合された実施例9〜12は、本発明の水中油型乳化皮膚化粧料の全てにおいて、製剤の弾力感を有することが判明した。
また、(b)シリコーンポリマーを配合した実施例9〜12が塗布後のべたつきを抑制する効果を発揮することが判明した。
さらに、乳化剤としてPOE(20)イソステアリン酸グリセリル又はPOE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体を配合した実施例9〜12は、優れた乳化安定性を示すことが判明した。
From the results of “Table 3”, Examples 9 to 12 in which (a) (PEG-240 / decyltetradeceth-20 / HDI) copolymer of associative thickener was blended in an amount of 0.4 to 4 mass% It was found that all of the oil-in-water emulsified skin cosmetics of the present invention have the elasticity of the preparation.
Moreover, it turned out that Examples 9-12 which mix | blended (b) silicone polymer exhibit the effect which suppresses the stickiness after application | coating.
Further, Examples 9 to 12 in which POE (20) glyceryl isostearate or POE (20) glyceryl isostearate and / or polyoxyethylene / methylpolysiloxane copolymer are blended as emulsifiers exhibit excellent emulsion stability. There was found.

以下に本発明のその他の実施例を示す。   Other examples of the present invention are shown below.

実施例13 美容液(水中油型乳化皮膚化粧料)
配合成分 質量%
(1)(PEG−240/デシルテトラデセス−20/HDI)コポリマー

(2)ブチレングリコール 8
(3)フェノキシエタノール 0.5
(4)イオン交換水 残余
(5)ジメチルポリシロキサン(6cs) 2
(6)アミノ変性高分子シリコーン/ジメチルポリシロキサン20CS(10%)

(7)(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー
0.3
製造方法
(1)〜(3)を80℃にて溶解し、ホモジナイザーなどで攪拌しながら(4)に添加、(5)〜(7)を混合し(1)〜(4)の混合物に添加しホモジナイザーなどで攪拌し最終組成物を得た。
Example 13 Cosmetic liquid (oil-in-water emulsified skin cosmetic)
Compounding ingredients Mass%
(1) (PEG-240 / decyltetradeceth-20 / HDI) copolymer
2
(2) Butylene glycol 8
(3) Phenoxyethanol 0.5
(4) Ion exchange water remaining
(5) Dimethylpolysiloxane (6cs) 2
(6) Amino-modified polymer silicone / dimethylpolysiloxane 20CS (10%)
1
(7) (acrylic acid / acryloyldimethyltaurine Na) copolymer
0.3
Production method
Dissolve (1) to (3) at 80 ° C, add to (4) with stirring with a homogenizer, etc., mix (5) to (7), add to the mixture of (1) to (4), and add to the homogenizer The final composition was obtained by stirring.

実施例14 美容液(水中油型乳化皮膚化粧料)
配合成分 質量%
(1)イオン交換水 残余
(2)ジェランガム 0.25
(3)水酸化カリウム 0.04
(4)(PEG−240/デシルテトラデセス−20/HDI)コポリマー
1.5
(5)ブチレングリコール 8
(6)フェノキシエタノール 0.5
(7)ジメチルポリシロキサン(6cs) 5
(8)アルキル架橋ポリメチルシロキサン、環状ジメチルポリシロキサン

製造方法
(1)と(2)を常温で攪拌して溶解した後、(3)を加えて中和し、80℃で混合溶解した(4)〜(6)をホモジナイザーなどで攪拌しながら添加、更に(7)と(8)を添加してホモジナイズ処理を行い最終組成物を得た。
Example 14 Cosmetic liquid (oil-in-water emulsified skin cosmetic)
Compounding ingredients Mass%
(1) Residual ion exchange water
(2) Gellan gum 0.25
(3) Potassium hydroxide 0.04
(4) (PEG-240 / decyltetradeceth-20 / HDI) copolymer
1.5
(5) Butylene glycol 8
(6) Phenoxyethanol 0.5
(7) Dimethylpolysiloxane (6cs) 5
(8) Alkyl cross-linked polymethylsiloxane, cyclic dimethylpolysiloxane
3
Production method
(1) and (2) were dissolved by stirring at room temperature, then neutralized by adding (3), and mixed and dissolved at 80 ° C. while adding (4) to (6) while stirring with a homogenizer, etc. (7) and (8) were added and homogenized to obtain a final composition.

実施例15 美容液(水中油型乳化皮膚化粧料)
配合成分 質量%
(1)(PEG−240/デシルテトラデセス−20/HDI)コポリマー

(2)ブチレングリコール 8
(3)フェノキシエタノール 0.5
(4)イオン交換水 残余
(5)(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー
0.2
(6)(アクリロイルジメチルタウリンアンモニウム/
メタクリル酸ベヘネス−25)クロスポリマー 0.1
(7)ジメチルポリシロキサン(6cs) 2
(8)ジメチルポリシロキサン(重合度5000〜8000) 0.1
製造方法
(4)〜(6)を常温で攪拌して溶解した後、(1)〜(3)を80℃にて溶解し、ホモジナイザーなどで攪拌しながら(4)〜(6)の混合物に添加、(7)と(8)を混合し(1)〜(6)の混合物に添加しホモジナイザーなどで攪拌し最終組成物を得た。
Example 15 Beauty liquid (oil-in-water emulsified skin cosmetic)
Compounding ingredients Mass%
(1) (PEG-240 / decyltetradeceth-20 / HDI) copolymer
2
(2) Butylene glycol 8
(3) Phenoxyethanol 0.5
(4) Ion exchange water remaining
(5) (Acryloyldimethyltaurine ammonium / VP) copolymer
0.2
(6) (Ammonium acryloyldimethyltaurate /
Methenic acid behenes-25) cross polymer 0.1
(7) Dimethylpolysiloxane (6cs) 2
(8) Dimethylpolysiloxane (degree of polymerization 5000-8000) 0.1
Production method
(4) to (6) are stirred and dissolved at room temperature, then (1) to (3) are dissolved at 80 ° C. and added to the mixture of (4) to (6) while stirring with a homogenizer or the like. (7) and (8) were mixed, added to the mixture of (1) to (6), and stirred with a homogenizer or the like to obtain the final composition.

本発明は、(PEG−240/デシルテトラデセス−20/HDI)コポリマーを配合した皮膚化粧料において、べたつきを改善し、かつ弾力感を有し、さらには優れた乳化安定性を有する水中油型乳化皮膚化粧料に好適に利用される。   The present invention provides an oil-in-water solution having improved stickiness, elasticity, and excellent emulsification stability in a skin cosmetic containing a (PEG-240 / decyltetradeceth-20 / HDI) copolymer. It is suitably used for type emulsified skin cosmetics.

Claims (2)

下記(a)〜(f)を含有することを特徴とする水中油型乳化皮膚化粧料。
(a)(PEG−240/デシルテトラデセス−20/HDI)コポリマー
(b)シリコーンポリマー
(c)ジェランガム、キサンタンガム、サクシノグルカン、アクリル酸・メタクリル酸アルキル共重合体、(アクリル酸/アクリロイルジメチルタウリンNa)コポリマー、(アクリロイルジメチルタウリンアンモニウム/VP)コポリマー、(アクリロイルジメチルタウリンアンモニウム/メタクリル酸ベヘネス−25)クロスポリマーからなる群から選択される1種又は2種以上
(d)乳化剤
(e)シリコーン油
(f)水
An oil-in-water emulsified skin cosmetic comprising the following (a) to (f):
(A) (PEG-240 / decyltetradeces-20 / HDI) copolymer (b) silicone polymer (c) gellan gum, xanthan gum, succinoglucan, acrylic acid / alkyl methacrylate copolymer, (acrylic acid / acryloyldimethyl) One or more selected from the group consisting of taurine Na) copolymer, (acryloyldimethyltauronium ammonium / VP) copolymer, (acryloyldimethyltaurine ammonium / behenes methacrylate-25) crosspolymer (d) emulsifier (e) silicone Oil (f) Water
前記(d)乳化剤が、POE(20)イソステアリン酸グリセリル及び/又はポリオキシエチレン・メチルポリシロキサン共重合体であることを特徴とする請求項1記載の水中油型乳化皮膚化粧料。   2. The oil-in-water emulsified skin cosmetic according to claim 1, wherein the emulsifier (d) is POE (20) glyceryl isostearate and / or a polyoxyethylene / methylpolysiloxane copolymer.
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