JP2021024785A - Water-in-oil emulsified composition - Google Patents

Water-in-oil emulsified composition Download PDF

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JP2021024785A
JP2021024785A JP2019141187A JP2019141187A JP2021024785A JP 2021024785 A JP2021024785 A JP 2021024785A JP 2019141187 A JP2019141187 A JP 2019141187A JP 2019141187 A JP2019141187 A JP 2019141187A JP 2021024785 A JP2021024785 A JP 2021024785A
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water
oil
composition
repellent
emulsified composition
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主基 菅原
Kazuki Sugawara
主基 菅原
大川 洋
Hiroshi Okawa
洋 大川
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Air Water Sol Inc
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Abstract

To provide a novel water-in-oil emulsified composition in which moisture can be retained in a formulation without using a silicone-based activator that forms a network structure of the silicone polymer and the water contained in the composition appears as water droplets at the time of application.SOLUTION: A water-in-oil emulsified composition comprises (A) liquid oil that is liquid at room temperature, (B) solid oil that is solid at room temperature, (C) water- and oil-repellent powder, (D) a surfactant, and (E) water.SELECTED DRAWING: None

Description

本発明は、製剤中に含まれる水が塗布時に放出され、水滴となって現れる油中水型乳化組成物に関する。 The present invention relates to a water-in-oil emulsified composition in which water contained in a preparation is released at the time of application and appears as water droplets.

化粧料は、外観を美しく、肌を健やかにすることを主な機能とするが、近年、使用時において、実感できる付加的な機能を備えたものも提案されている。付加的な機能を備えたものとして、例えば、使用の際に温感や冷感を生じさせる化粧料や、肌に塗布することによってエマルジョンが崩壊して水が放出される、いわゆるウォーター−ドロップクイックブレイク型の化粧料(特許文献1〜3)等が提案されている。 The main function of cosmetics is to make the appearance beautiful and to make the skin healthy, but in recent years, those having additional functions that can be felt when used have been proposed. As a product with additional functions, for example, cosmetics that give a feeling of warmth or coldness when used, or so-called water-drop quick, in which an emulsion disintegrates and water is released when applied to the skin. Break-type cosmetics (Patent Documents 1 to 3) and the like have been proposed.

特表2009−517478号公報Special Table 2009-517478 Gazette 特許第5974843号公報Japanese Patent No. 5974843 特許第6460504号公報Japanese Patent No. 6460504

特許文献1〜3に記載の乳化製剤はいずれも、製剤中に水分を保持するため、ネットワーク構造を形成するシリコーンポリマーを用いている。しかし、シリコーンポリマーのようなシリコーン成分は、使用者の肌質によっては、吹き出物やニキビなどのトラブルの原因となることがある。そこで、近年、シリコーンを配合しない、いわゆる「ノンシリコーン」タイプの化粧料が提案され、その認知度および需要が高まっている。このため、ノンシリコーンタイプとして処方を設計することは、化粧料の付加価値の向上につながるといえる。この点、ウォーター−ドロップクイックブレイク型の乳化組成物も同様である。
そこで、本発明は、シリコーンポリマーを用いることなく、製剤中に水分を保持することができ、組成物に含まれる水が塗布時に水滴となって現れる新たな油中水型乳化組成物を提供することを目的としている。
All of the emulsified preparations described in Patent Documents 1 to 3 use a silicone polymer that forms a network structure in order to retain water in the preparation. However, a silicone component such as a silicone polymer may cause troubles such as pimples and acne depending on the skin type of the user. Therefore, in recent years, so-called "non-silicone" type cosmetics that do not contain silicone have been proposed, and their recognition and demand are increasing. Therefore, it can be said that designing the prescription as a non-silicone type leads to an increase in the added value of cosmetics. In this respect, the same applies to the water-drop quick break type emulsified composition.
Therefore, the present invention provides a new water-in-oil emulsified composition which can retain water in a formulation without using a silicone polymer and in which water contained in the composition appears as water droplets at the time of application. The purpose is.

本発明は、固体油と撥水撥油性紛体とを配合することにより、水の含有量が高い油中水型乳化組成物を安定化し、肌に塗布する際、組成物から放出された水により水滴を生じさせることが可能となるという知見に基づいており、以下の構成を備えている。 The present invention stabilizes a water-in-oil emulsified composition having a high water content by blending a solid oil and a water-repellent oil-repellent powder, and when applied to the skin, the water released from the composition is used. Based on the finding that it is possible to generate water droplets, it has the following configuration.

[1](A)常温で液体の液体油、(B)常温で固体の固体油、(C)撥水撥油性紛体、(D)界面活性剤および(E)水を含有している油中水型乳化組成物。
[2]前記(A)液体油の含有量が1.0〜15重量%であり、前記(B)固体油の含有量が2.0〜10重量%であり、前記(C)撥水撥油性紛体の含有量が0.1〜1.5重量%である[1]に記載の油中水型乳化組成物。
[3]前記(E)水の含有量が60〜90重量%である[1]に記載の油中水型乳化組成物。
[1] In an oil containing (A) a liquid oil that is liquid at room temperature, (B) a solid oil that is solid at room temperature, (C) a water-repellent oil-repellent powder, (D) a surfactant, and (E) water. Aqueous emulsified composition.
[2] The content of the liquid oil (A) is 1.0 to 15% by weight, the content of the solid oil (B) is 2.0 to 10% by weight, and the water repellency (C) is water repellent. The water-in-oil emulsified composition according to [1], wherein the content of the oily powder is 0.1 to 1.5% by weight.
[3] The water-in-oil emulsified composition according to [1], wherein the content of (E) water is 60 to 90% by weight.

[4]前記(C)撥水撥油性紛体は、フッ素化合物で表面処理された無機紛体である[1]に記載の油中水型乳化組成物。
[5]前記(C)撥水撥油性紛体の含有量が前記(B)固体油の含有量の1/100〜1/2である[4]に記載の油中水型乳化組成物。
[6]前記(D)界面活性剤はHLBが2〜11である[1]に記載の油中水型乳化組成物。
[4] The water-in-oil emulsified composition according to [1], wherein the (C) water- and oil-repellent powder is an inorganic powder surface-treated with a fluorine compound.
[5] The water-in-oil emulsified composition according to [4], wherein the content of the (C) water- and oil-repellent powder is 1/100 to 1/2 of the content of the (B) solid oil.
[6] The water-in-oil emulsified composition according to [1], wherein the (D) surfactant has an HLB of 2 to 11.

[7]油相に分散する水相の平均粒子径が1〜100μmである[1]に記載の油中水型乳化組成物。
[8](F)シリコーン成分を実質的に含有しない[1]に記載の油中水型乳化組成物。
[7] The water-in-oil emulsified composition according to [1], wherein the average particle size of the aqueous phase dispersed in the oil phase is 1 to 100 μm.
[8] The water-in-oil emulsified composition according to [1], which does not substantially contain the (F) silicone component.

[9]皮膚に塗布することにより、油相に分散する水相が放出される[1]〜[8]のいずれか1項に記載の油中水型乳化組成物。 [9] The water-in-oil emulsified composition according to any one of [1] to [8], wherein an aqueous phase dispersed in the oil phase is released when applied to the skin.

本発明の油中水型乳化組成物は、(C)撥水撥油性紛体が、油相と水相との界面を安定化するとともに、皮膚に塗布する際に加わる力により、乳化状態が破壊され、内包する水を放出する。このため、肌に塗布することにより、組成物に含まれる水が放出され、水滴となって現れる、新たなウォーター−ドロップクイックブレイク型の油中水型乳化組成物を提供できる。 In the water-in-oil emulsified composition of the present invention, the (C) water-repellent oil-repellent powder stabilizes the interface between the oil phase and the water phase, and the emulsified state is destroyed by the force applied when applied to the skin. And release the contained water. Therefore, it is possible to provide a new water-drop quick break type water-in-oil emulsified composition in which the water contained in the composition is released and appears as water droplets when applied to the skin.

実施例2の組成物の図面代用顕微鏡写真Drawing-substituting micrograph of the composition of Example 2 比較例8の組成物の図面代用顕微鏡写真Drawing-substituting micrograph of the composition of Comparative Example 8

本発明の油中水型乳化組成物(以下、適宜「組成物」ともいう)は、(A)常温で液体の液体油、(B)常温で固体の固体油、(C)撥水撥油性紛体、(D)界面活性剤および(E)水を含有している。(B)固体油と(C)撥水撥油性紛体との併用により、水性成分の含有量を高くすることができるから、肌に塗布した際、水相の放出を十分に実感できる、水放出性のよい組成物となる。 The water-in-oil emulsified composition of the present invention (hereinafter, also appropriately referred to as “composition”) is (A) a liquid oil that is liquid at room temperature, (B) a solid oil that is solid at room temperature, and (C) water and oil repellency. It contains a powder, (D) a surfactant and (E) water. By using (B) solid oil and (C) water-repellent oil-repellent powder in combination, the content of aqueous components can be increased, so when applied to the skin, the release of the aqueous phase can be fully felt. The composition has good properties.

(A)常温で液体の液体油
液体油とは、常温(25℃)において液体である油性成分をいう。液体油は、常温で液体であるから、その融点は25℃以下である。ベタツキが抑えられた良好な使用感とする観点から、融点が20℃以下の液体油が好ましい。また、安定的に液体油として機能させる観点から、融点が0℃以下の液体油が好ましい。
(A) Liquid oil that is liquid at room temperature Liquid oil refers to an oily component that is liquid at room temperature (25 ° C.). Since liquid oil is liquid at room temperature, its melting point is 25 ° C. or lower. A liquid oil having a melting point of 20 ° C. or lower is preferable from the viewpoint of suppressing stickiness and providing a good usability. Further, from the viewpoint of stably functioning as a liquid oil, a liquid oil having a melting point of 0 ° C. or lower is preferable.

液体油としては、例えば、オリーブ油、ヒマワリ油、アボカド油などの植物由来の油脂;流動パラフィン、軽質イソパラフィン、流動イソパラフィン等の直鎖又は分岐の炭化水素油;ミリスチン酸イソプロピル、ミリスチン酸オクチルドデシル等の多価アルコール脂肪酸エステル等のエステル油;水添ポリイソブテンなど水素添加により酸化安定性を高めた油;ジメチルポリシロキサン、ジメチルシクロポリシロキサン、メチルフェニルポリシロキサン等のシリコーン油;フルオロポリエーテル、パーフルオロアルキルエーテルシリコーン等のフッ素油などが挙げられる。これらは、単独で用いても、二種以上を混合して用いてもよい。 Examples of the liquid oil include plant-derived fats and oils such as olive oil, sunflower oil, and avocado oil; linear or branched hydrocarbon oils such as liquid paraffin, light isoparaffin, and liquid isoparaffin; isopropyl myristate, octyldodecyl myristate, and the like. Ester oils such as polyhydric alcohol fatty acid esters; oils whose oxidative stability is enhanced by hydrogenation such as hydrogenated polyisobutene; silicone oils such as dimethylpolysiloxane, dimethylcyclopolysiloxane, methylphenylpolysiloxane; fluoropolyether, perfluoroalkyl Fluorooil such as ether silicone can be mentioned. These may be used alone or in combination of two or more.

組成物100重量%中の液体油の含有量は、1.0〜15重量%が好ましく、2.0〜10重量%がより好ましく、3.0〜8.0重量%がさらに好ましい。なお、本発明において、数値範囲A〜Bは、A以上B以下を示す。 The content of the liquid oil in 100% by weight of the composition is preferably 1.0 to 15% by weight, more preferably 2.0 to 10% by weight, still more preferably 3.0 to 8.0% by weight. In the present invention, the numerical ranges A to B indicate A or more and B or less.

(B)常温で固体の固体油
固体油とは、常温において固体である油性成分をいう。固体油は、常温で固体であることから、その融点は25℃よりも高い。
(B) Solid oil solid at room temperature Solid oil means an oily component that is solid at room temperature. Since solid oil is solid at room temperature, its melting point is higher than 25 ° C.

固体油としては、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸等の高級脂肪酸;イソステアリルアルコール、セタノール、ベヘニルアルコール、ミリスチルアルコール等の高級脂肪族アルコール;蜜蝋(ミツロウ)、羊毛蝋などの動物由来の油脂;シア油、カルバナワックス、キャンデリラワックス、ライスワックス等の植物由来ワックス;分岐炭化水素(イソパラフィン)、直鎖状炭化水素、飽和環状炭化水素、マイクロクリスタリンワックス、パラフィンワックスなどの石油由来の油などが挙げられる。これらは、単独で用いても、二種以上を混合して用いてもよい。 Solid oils include higher fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid; higher aliphatic alcohols such as isostearyl alcohol, cetanol, behenyl alcohol and myristyl alcohol; animal-derived beeswax, wool wax and the like. Oils and fats; plant-derived waxes such as shea oil, carbana wax, candelilla wax, and rice wax; petroleum-derived waxes such as branched hydrocarbons (isoparaffin), linear hydrocarbons, saturated cyclic hydrocarbons, microcrystallin wax, and paraffin wax. Examples include oil. These may be used alone or in combination of two or more.

組成物100重量%中の固体油の含有量は、肌に塗布する際に水を放出して、組成物に含まれる水が水滴となって現れる作用(適宜「水放出性」という)を良好にする観点から、2.0〜10重量%が好ましく、3.0〜8.0重量%がより好ましく、4.0〜6.0重量%がさらに好ましい。 The content of the solid oil in 100% by weight of the composition has a good action (appropriately referred to as "water release property") in which water is released when applied to the skin and the water contained in the composition appears as water droplets. From the viewpoint of the above, 2.0 to 10% by weight is preferable, 3.0 to 8.0% by weight is more preferable, and 4.0 to 6.0% by weight is further preferable.

組成物の安定性の観点から、組成物100重量%中における(A)液体油と(B)固体油との含有量の合計(A+B)は、5.0〜15重量%が好ましく、7.0〜14重量%がより好ましく、8.0〜13重量%がさらに好ましい。また、組成物中の(B)固体油と(A)液体油との含有量(重量%)の比(B/A)は、組成物の安定性の観点から3/7以上が好ましく、2/3以上がより好ましく、1/1以上がさらに好ましい。また、組成物の水放出性を良好にする観点から、比(B/A)は、4/1以下が好ましく、3/1以下がより好ましく、2/1以下がさらに好ましい。 From the viewpoint of the stability of the composition, the total content (A + B) of the liquid oil (A) and the solid oil (B) in 100% by weight of the composition is preferably 5.0 to 15% by weight. 0 to 14% by weight is more preferable, and 8.0 to 13% by weight is further preferable. The ratio (B / A) of the content (% by weight) of the (B) solid oil and the (A) liquid oil in the composition is preferably 3/7 or more from the viewpoint of the stability of the composition. / 3 or more is more preferable, and 1/1 or more is further preferable. Further, from the viewpoint of improving the water release property of the composition, the ratio (B / A) is preferably 4/1 or less, more preferably 3/1 or less, and further preferably 2/1 or less.

(C)撥水撥油性紛体
撥水撥油性紛体とは、撥水性および撥油性を備えた紛体をいう。紛体の表面を撥水撥油性化合物で処理し、撥水撥油性を備えた皮膜を形成することにより、撥水撥油性紛体となる。本発明において、「撥水撥油性」とは、水および油の両方と馴染まない性質をいう。
(C) Water-repellent and oil-repellent powder The water- and oil-repellent powder means a powder having water repellency and oil repellency. By treating the surface of the powder with a water- and oil-repellent compound to form a film having water- and oil-repellent properties, the powder becomes a water- and oil-repellent powder. In the present invention, "water and oil repellency" refers to a property that is incompatible with both water and oil.

撥水撥油性紛体は、例えば、紛体の表面をフッ素化合物で処理することによって得られる。フッ素化合物とは、フッ素原子を含む有機フッ素化合物をいい、化合物中の水素が完全にフッ素化されたパーフルオロ化合物が好ましい。パーフルオロ化合物としては、例えば、パーフルオロプロポキシ−9ジメチルアミノプロピルアミド等のパーフルオロポリエーテル基を有するパーフルオロポリエーテル誘導体が挙げられる。 The water- and oil-repellent powder is obtained, for example, by treating the surface of the powder with a fluorine compound. The fluorine compound refers to an organic fluorine compound containing a fluorine atom, and a perfluoro compound in which hydrogen in the compound is completely fluorinated is preferable. Examples of the perfluoro compound include a perfluoropolyether derivative having a perfluoropolyether group such as perfluoropropoxy-9 dimethylaminopropylamide.

撥水撥油性紛体を構成する紛体は、無機紛体および有機紛体のいずれでもよいが、組成物の安定性の観点から、無機紛体が好ましい。無機紛体としては、例えば、酸化チタン、マイカ、セリサイト、タルク、シリカ、酸化鉄、酸化スズ等が挙げられる。 The powder constituting the water- and oil-repellent powder may be either an inorganic powder or an organic powder, but an inorganic powder is preferable from the viewpoint of stability of the composition. Examples of the inorganic powder include titanium oxide, mica, sericite, talc, silica, iron oxide, tin oxide and the like.

表面がパーフルオロポリエーテル誘導体で処理された無機紛体としては、日光ケミカルズ(株)製、NIKKOLFONCOATシリーズ(酸化チタン:TI−1、マイカ:MI−1、セリサイト:SE−1、タルク:TA−1、黒酸化鉄:IB−1、赤酸化鉄:IR−1、黄酸化鉄:IY−1)が挙げられる。 As an inorganic powder whose surface has been treated with a perfluoropolyether derivative, NIKKOLFONCOAT series manufactured by Nikko Chemicals Co., Ltd. (titanium oxide: TI-1, mica: MI-1, sericite: SE-1, talc: TA- 1. Black iron oxide: IB-1, red iron oxide: IR-1, yellow iron oxide: IY-1).

(C)撥水撥油性紛体と(B)固体油とを併用することにより、油中水型乳化系の界面を安定化することができる。組成物の水放出性を良好にする観点から、組成物100重量%中における撥水撥油性紛体の含有量は、0.1重量%以上が好ましく、0.2重量%以上がより好ましく、0.3重量%以上がさらに好ましい。また、組成物の安定性の観点から、紛体の含有量は2.0重量%以下が好ましく、1.5重量%以下がより好ましく、1.2重量%以下がさらに好ましい。 By using (C) a water-repellent oil-repellent powder and (B) a solid oil in combination, the interface of the water-in-oil emulsified system can be stabilized. From the viewpoint of improving the water release property of the composition, the content of the water-repellent oil-repellent powder in 100% by weight of the composition is preferably 0.1% by weight or more, more preferably 0.2% by weight or more, and 0. .3% by weight or more is more preferable. From the viewpoint of the stability of the composition, the content of the powder is preferably 2.0% by weight or less, more preferably 1.5% by weight or less, still more preferably 1.2% by weight or less.

組成物の水放出性を良好にする観点から、組成物中の(C)撥水撥油性紛体と(B)固体油との含有量(重量%)の比(C/B)は、1/100以上が好ましく、1/50以上がより好ましく、1/20以上がさらに好ましい。組成物の経時的な安定性を良好にする観点から、上記の比(C/B)は、1/2以下が好ましく、1/3以下がより好ましく、1/5以下がさらに好ましい。 From the viewpoint of improving the water release property of the composition, the ratio (C / B) of the content (% by weight) of (C) water-repellent oil-repellent powder and (B) solid oil in the composition is 1 /. 100 or more is preferable, 1/50 or more is more preferable, and 1/20 or more is further preferable. From the viewpoint of improving the stability of the composition over time, the above ratio (C / B) is preferably 1/2 or less, more preferably 1/3 or less, and even more preferably 1/5 or less.

組成物の水放出性を良好にする観点から、組成物中の(C)撥水撥油性紛体と(A)液体油および(B)固体油の含有量の合計(A+B)との比C/(A+B)は、1/100以上が好ましく、1/20以上がより好ましい。組成物の安定性を良好にする観点から、上記の比C/(A+B)は、1/4以下が好ましく、1/5以下がより好ましい。 From the viewpoint of improving the water release property of the composition, the ratio of (C) water-repellent oil-repellent powder to (A) the total content of liquid oil and (B) solid oil (A + B) in the composition C / (A + B) is preferably 1/100 or more, and more preferably 1/20 or more. From the viewpoint of improving the stability of the composition, the above ratio C / (A + B) is preferably 1/4 or less, more preferably 1/5 or less.

撥水撥油性紛体の形状は特に限定されるものではなく、例えば、球形状や紡錘形状の撥水撥油性紛体を用いることができる。 The shape of the water- and oil-repellent powder is not particularly limited, and for example, a spherical or spindle-shaped water- and oil-repellent powder can be used.

組成物の水放出性を良好にする観点から、(B)固体油および(C)撥水撥油性紛体の含含有量の合計(B+C)と(A)液体油の含有量との比(B+C)/Aは、0.7以上が好ましく、0.8以上がより好ましく、1.0以上がさらに好ましい。また、組成物の安定性を良好にする観点から、(B+C)/Aは2.0以下が好ましく、1.8以下がより好ましく、1.6以下がさらに好ましい。 From the viewpoint of improving the water release property of the composition, the ratio of the total content of (B) solid oil and (C) water-repellent oil-repellent powder (B + C) to the content of (A) liquid oil (B + C). ) / A is preferably 0.7 or more, more preferably 0.8 or more, and even more preferably 1.0 or more. Further, from the viewpoint of improving the stability of the composition, (B + C) / A is preferably 2.0 or less, more preferably 1.8 or less, and further preferably 1.6 or less.

(D)界面活性剤
本実施形態の組成物は、界面活性剤を含有している。界面活性剤としては、高級脂肪酸PEGグリセリル、高級脂肪酸グリセリル、高級脂肪酸ソルビタン、PEG−水添ヒマシ油などの非イオン性界面活性剤が挙げられる。これらのうち、製剤の安定性の観点から、非イオン性界面活性剤は、HLBが2以上12未満のものが好ましく、2以上11以下のものがより好ましく、2以上10以下のものがさらに好ましい。界面活性剤は、単独または複数を混合して用いることができる。非イオン性界面活性剤を複数用いた混合物の場合、各非イオン性界面活性剤のHLBに混合物中で占める割合を乗じた値の合計を混合物のHLBとする。本発明において、HLBは実測法により求めた値をいう。実測法は、標準となる界面活性剤とHLB未知の乳化剤との組合せを用いて、標準となる油(流動パラフィン)を乳化し、最も安定なエマルジョンが得られる組み合わせにおける乳化剤の比率から未知の乳化剤のHLBの値を求める方法である。
(D) Surfactant The composition of the present embodiment contains a surfactant. Examples of the surfactant include nonionic surfactants such as higher fatty acid PEG glyceryl, higher fatty acid glyceryl, higher fatty acid sorbitan, and PEG-hydrogenated castor oil. Of these, from the viewpoint of formulation stability, the nonionic surfactant preferably has an HLB of 2 or more and less than 12, more preferably 2 or more and 11 or less, and further preferably 2 or more and 10 or less. .. The surfactant may be used alone or in combination of two or more. In the case of a mixture using a plurality of nonionic surfactants, the sum of the values obtained by multiplying the HLB of each nonionic surfactant by the ratio of each nonionic surfactant in the mixture is taken as the HLB of the mixture. In the present invention, HLB refers to a value obtained by an actual measurement method. In the actual measurement method, a standard oil (liquid paraffin) is emulsified using a combination of a standard surfactant and an emulsifier of unknown HLB, and an emulsifier unknown from the ratio of the emulsifier in the combination that gives the most stable emulsion. This is a method for obtaining the HLB value of.

水放出性と乳化安定性を良好にする観点から、組成物100重量%中における界面活性剤の含有量は、0.1〜5重量%が好ましく、0.5〜4重量%がより好ましく、1〜3重量%がさらに好ましい。
界面活性剤を上述した(A)液体油、(B)固体油および(C)撥水撥油性紛体と併用することにより、シリコーン系の界面活性剤を用いることなく、水放出性の良好な油中水型乳化組成物を提供することができる。
From the viewpoint of improving water release property and emulsion stability, the content of the surfactant in 100% by weight of the composition is preferably 0.1 to 5% by weight, more preferably 0.5 to 4% by weight. 1 to 3% by weight is more preferable.
By using the surfactant in combination with the above-mentioned (A) liquid oil, (B) solid oil and (C) water-repellent oil-repellent powder, an oil having good water release property without using a silicone-based surfactant. A medium-water emulsified composition can be provided.

(B)固体油および(C)撥水撥油性紛体の含有量の合計(B+C)と(A)液体油の含有量との比(B+C)/Aは、水放出性を良好にする観点から、0.7以上が好ましく、0.8以上がより好ましく、1.0以上がさらに好ましい。また、当該比(B+C)/Aは、組成物の安定性の観点から、4以下が好ましく、3以下がより好ましい。 The ratio of the total content of (B) solid oil and (C) water-repellent oil-repellent powder (B + C) to the content of (A) liquid oil (B + C) / A is from the viewpoint of improving water release. , 0.7 or more is preferable, 0.8 or more is more preferable, and 1.0 or more is further preferable. Further, the ratio (B + C) / A is preferably 4 or less, more preferably 3 or less, from the viewpoint of stability of the composition.

(E)水
水放出性が良好な組成物とする観点から、組成物100重量%中における水の含有量は、60重量%以上が好ましく、70重量%以上がより好ましく、80重量%以上がさらに好ましい。経時的な安定性の良い組成物とする観点から、組成物中の水の含有量は、90重量%以下が好ましく、88重量%以下がより好ましい。
(E) From the viewpoint of making a composition having good water release property, the content of water in 100% by weight of the composition is preferably 60% by weight or more, more preferably 70% by weight or more, and 80% by weight or more. More preferred. From the viewpoint of obtaining a composition having good stability over time, the content of water in the composition is preferably 90% by weight or less, more preferably 88% by weight or less.

(粘度)
本発明の油中水型乳化組成物の粘度は、20000mPa・s〜50000mPa・s程度になる。50000mPa・s以上の高粘度とすることで、水の含有量が高い油中水型乳化組成物を経時的な安定性を向上させることができる。なお、上記粘度は、B型粘度計を使用して、25℃、5rpmで測定された値をいう。
(viscosity)
The viscosity of the water-in-oil emulsified composition of the present invention is about 20000 mPa · s to 50,000 mPa · s. By setting the viscosity to 50,000 mPa · s or more, the stability of the water-in-oil emulsified composition having a high water content over time can be improved. The viscosity is a value measured at 25 ° C. and 5 rpm using a B-type viscometer.

(乳化粒子)
本発明の油中水型乳化組成物は、平均粒子径(D50、メジアン径)が1〜100μm程度のマクロエマルジョンである。このため、塗布の際に体感できるほど高い割合で水を含有することが可能になり、組成物を皮膚に塗布した際、油の連続相から多量の水が放出される、水放出性の良好な組成物となる。
(Emulsified particles)
The water-in-oil emulsified composition of the present invention is a macroemulsion having an average particle size (D50, median diameter) of about 1 to 100 μm. Therefore, it is possible to contain water in a high proportion that can be felt at the time of application, and when the composition is applied to the skin, a large amount of water is released from the continuous phase of the oil, and the water release property is good. Composition.

固体油と撥水撥油性紛体とを併用することにより、水相と油相との界面に撥水撥油性紛体を位置させることにより界面が硬くなって、高濃度の水を内包する油中水型乳化組成物の安定性が向上すると推定される。界面の硬い乳化系とすることにより、肌への塗布の際に加わる力によって容易に乳化系が壊れる、水放出性の良好な組成物となる。 By using solid oil and water-repellent oil-repellent powder together, the interface becomes hard by locating the water-repellent oil-repellent powder at the interface between the aqueous phase and the oil phase, and the water in the oil contains a high concentration of water. It is presumed that the stability of the mold emulsified composition is improved. By using an emulsifying system having a hard interface, the composition has a good water release property, in which the emulsifying system is easily broken by the force applied at the time of application to the skin.

(F)シリコーン成分
本発明は、(B)固体油脂と(C)撥水撥油性紛体とを併用することで、シリコーン系の活性剤を用いることなく、水放出性が良好な、使用の際に水が湧き出るような印象を与える油中水型乳化組成物を実現している。本発明の組成物は、シリコーン系の活性剤を用いることなく、水放出性を実現しているから、組成物中に含まれるシリコーン成分を実質的に含有しない、いわゆる「ノンシリコーン」の組成物とすることも可能である。本発明においてはケイ素を含む有機化合物を「シリコーン成分」という。また、「実質的に含有しない」とは、その所期の機能を奏する量の「シリコーン成分」を含有しないことをいう。例えば、シリコーン系の活性剤の場合、組成物100重量%中の含有量が0.1重量%以下であれば、「実質的に含有しない」にあたる。
(F) Silicone component In the present invention, by using (B) solid oil and fat and (C) water-repellent oil-repellent powder in combination, water release property is good without using a silicone-based activator. We have realized a water-in-oil emulsification composition that gives the impression that water springs out. Since the composition of the present invention realizes water release property without using a silicone-based activator, it is a so-called "non-silicone" composition that does not substantially contain the silicone component contained in the composition. It is also possible to. In the present invention, an organic compound containing silicon is referred to as a "silicone component". In addition, "substantially free" means that the amount of "silicone component" that exerts the intended function is not contained. For example, in the case of a silicone-based activator, if the content in 100% by weight of the composition is 0.1% by weight or less, it corresponds to "substantially not contained".

本発明の組成物は、油性成分が連続相を構成しているから、使用の際、伸びの良さを実感しやすい。また、油性成分の皮膜を皮膚に形成して、水分蒸散を防止し潤いを保持するエモリエント効果に優れるという特長を備えている。 In the composition of the present invention, since the oily component constitutes a continuous phase, it is easy to realize the good elongation when used. In addition, it has the feature of forming a film of oily components on the skin and having an excellent emollient effect of preventing water evaporation and retaining moisture.

本実施形態の組成物は、上述した成分以外に、医薬品や化粧品の分野において一般に用いられている成分を含有してもよい。このような成分としては、クエン酸およびクエン酸ナトリウム等のpH調整剤;フェノキシエタノール、安息香酸ナトリウムおよびパラベンなどの防腐剤;ビーズポリマー等の滑材;ピロリドンカルボン酸ナトリウム塩、グリセリン、1,3−ブチレングリコール(BG)などの保湿剤;ビタミン類;無機フィラー;香料;などが挙げられる。これら成分の含有量は、本実施形態の組成物の特性に悪い影響を与えない範囲とすればよい。 In addition to the above-mentioned ingredients, the composition of the present embodiment may contain ingredients generally used in the fields of pharmaceuticals and cosmetics. Such components include pH regulators such as citric acid and sodium citrate; preservatives such as phenoxyethanol, sodium benzoate and paraben; lubricants such as bead polymers; sodium pyrrolidone carboxylate, glycerin, 1,3- Moisturizers such as butylene glycol (BG); vitamins; inorganic fillers; fragrances; and the like. The content of these components may be in a range that does not adversely affect the characteristics of the composition of the present embodiment.

以下、実施例によって本発明をより具体的に説明するが、本発明はこれらに限定されるものではない。なお、以下の説明における%は重量%である。 Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited thereto. In addition,% in the following description is weight%.

まず、実施例および比較例において用いた成分を以下に示す。
(A)液体油
オリーブ油:NIKKOL オリーブ油(製品名、日光ケミカルズ(株)製)
ミリスチン酸イソプロピル:IPM−R(製品名、日油(株)製)
水添ポリイソブテン:パールリーム18(製品名、日油(株)製)
(B)固体油
ミツロウ:精製ミツロウ CY−100(横関油脂工業(株)製)
ミリスチルアルコール:NAA−43(製品名、日油(株)製)
ステアリン酸:NAA−180(製品名、日油(株)製)
シア脂 :ビオデルマS−19(製品名、一丸ファルコス(株)製)
(C)撥水撥油性紛体
パーフルオロポリエーテル誘導体(PFPOP)処理タルク(タルク、パーフルオロプロポキシ(パーフルオロPPG)−9ジメチルアミノプロピルアミド、リン酸):FONCOAT TA−1:(製品名、日光ケミカルズ(株)製)
PFPOP処理マイカ(マイカ、パーフルオロプロポキシ(パーフルオロPPG)−9ジメチルアミノプロピルアミド、リン酸):FONCOAT MI−1(製品名、日光ケミカルズ(株)製)
PFPOP処理チタン(酸化チタン、パーフルオロプロポキシ(パーフルオロPPG)−9ジメチルアミノプロピルアミド、リン酸):FONCOAT TI−1:(製品名、日光ケミカルズ(株)製)
PFPOP処理セリサイト(セリサイト、パーフルオロプロポキシ(パーフルオロPPG)−9ジメチルアミノプロピルアミド、リン酸):FONCOAT SE−1(製品名、日光ケミカルズ(株)製)
(D)界面活性剤
モノオレイン酸グリセリル:NIKKOL MGO(製品名、日光ケミカルズ(株)製、HLB2.5)
オレイン酸ソルビタン:NIKKOL SO−10V(製品名、日光ケミカルズ(株)製、HLB4.3)
ベヘネス−5:NIKKOL BB−5(製品名、日光ケミカルズ(株)製)(HLB7.0)
PPG−4セテス−1:NIKKOL PBC−31(日光ケミカルズ(株)製、HLB9.5)
イソステアリン酸ポリグリセリル−10:NIKKOL DECAGLYN 1−ISV(製品名、日光ケミカルズ(株)製、HLB12.0)
(他の成分)
BG(1、3ブチレングリコール):13BG−UK(製品名、ダイセル化学(株)製)
フェノキシエタノール:Microcare PE(製品名、ソー・ジャパン(株)製)
タルク:タルク EX−15(製品名、(株)ヤマグチマイカ製)
マイカ:マイカ FA−450(製品名、(株)ヤマグチマイカ製)
酸化チタン、酸化鉄::PHOTOLITE LY−S(製品名、(株)ヤマグチマイカ製)
セリサイト:セリサイトFSE(製品名、三信鉱工(株)製)
ポリパーフルオロメチルイソプロピルエーテル:フォンブリン HC PEPE(製品名、SOLBAY社製)
First, the components used in Examples and Comparative Examples are shown below.
(A) Liquid oil Olive oil: NIKKOL olive oil (product name, manufactured by Nikko Chemicals Co., Ltd.)
Isopropyl myristate: IPM-R (product name, manufactured by NOF CORPORATION)
Hydrogenated polyisobutene: Pearl Dream 18 (product name, manufactured by NOF CORPORATION)
(B) Solid oil beeswax: Refined beeswax CY-100 (manufactured by Yokoseki Oil & Fat Industry Co., Ltd.)
Myristyl alcohol: NAA-43 (product name, manufactured by NOF CORPORATION)
Stearic acid: NAA-180 (product name, manufactured by NOF CORPORATION)
Shea butter: Bioderma S-19 (product name, manufactured by Ichimaru Falcos Co., Ltd.)
(C) Water- and oil-repellent powder Perfluoropolyether derivative (PFPOP) -treated talc (talc, perfluoropropoxy (perfluoroPPG) -9 dimethylaminopropylamide, phosphoric acid): FONCOAT TA-1: (product name, sunlight Made by Chemicals Co., Ltd.)
PFPOP-treated mica (mica, perfluoropropoxy (perfluoroPPG) -9 dimethylaminopropylamide, phosphoric acid): FONCOAT MI-1 (product name, manufactured by Nikko Chemicals Co., Ltd.)
PFPOP-treated titanium (titanium oxide, perfluoropropoxy (perfluoroPPG) -9 dimethylaminopropylamide, phosphoric acid): FONCOAT TI-1: (Product name, manufactured by Nikko Chemicals Co., Ltd.)
PFPOP-treated sericite (serisite, perfluoropropoxy (perfluoroPPG) -9 dimethylaminopropylamide, phosphoric acid): FONCOAT SE-1 (product name, manufactured by Nikko Chemicals Co., Ltd.)
(D) Surfactant Glyceryl monooleate: NIKKOL MGO (Product name, manufactured by Nikko Chemicals Co., Ltd., HLB2.5)
Sorbitan oleate: NIKKOL SO-10V (Product name, manufactured by Nikko Chemicals Co., Ltd., HLB 4.3)
Behenes-5: NIKKOL BB-5 (product name, manufactured by Nikko Chemicals Co., Ltd.) (HLB7.0)
PPG-4 Setes-1: NIKKOL PBC-31 (manufactured by Nikko Chemicals Co., Ltd., HLB 9.5)
Polyglyceryl isostearate-10: NIKKOL DECAGLYN 1-ISV (Product name, manufactured by Nikko Chemicals Co., Ltd., HLB 12.0)
(Other ingredients)
BG (1,3 butylene glycol): 13BG-UK (Product name, manufactured by Daicel Chemical Co., Ltd.)
Phenoxyethanol: Microcare PE (product name, manufactured by So Japan Co., Ltd.)
Talc: Talc EX-15 (product name, manufactured by Yamaguchi Mica Co., Ltd.)
Mica: Mica FA-450 (Product name, manufactured by Yamaguchi Mica Co., Ltd.)
Titanium oxide, iron oxide :: PHOTOLITE LY-S (product name, manufactured by Yamaguchi Mica Co., Ltd.)
Sericite: Sericite FSE (product name, manufactured by Sanshin Mining Co., Ltd.)
Polyperfluoromethylisopropyl ether: Fombulin HC PEPE (product name, manufactured by SOLBAY)

<製造方法>
以下の方法により、油中水型乳化組成物を製造した。なお、表1〜表6における各成分の数字は配合量(重量部)を示す。
(1)表1〜表6に示す(A)液体油、(B)固体油、(D)界面活性剤およびBGを攪拌しながら80℃まで加熱し、(C)撥水撥油性紛体(FONCOAT、実施例)または タルク、マイカ、酸化チタンと酸化鉄との混合紛体、セリサイト、HC PEPE:ポリパーフルオロメチルイソプロピルエーテル(比較例)を加えて均一に分散させた。
(2)(1)を100rpmでプロペラ攪拌しながら、80℃に加熱した(E)水を徐々に加えた。
(3)(2)を80℃に保持したまま、100rpmで30分間プロペラ攪拌を行った。
(4)(3)にフェノキシエタノールを加えて、室温になるまで緩やかに攪拌冷却し、油中水型乳化組成物を調製した。
<Manufacturing method>
A water-in-oil emulsified composition was produced by the following method. The numbers of each component in Tables 1 to 6 indicate the blending amount (part by weight).
(1) Liquid oil, (B) solid oil, (D) surfactant and BG shown in Tables 1 to 6 are heated to 80 ° C. with stirring, and (C) water-repellent oil-repellent powder (FONCOAT). , Example) or talc, mica, a mixed powder of titanium oxide and iron oxide, cericite, HC PEPE: polyperfluoromethylisopropyl ether (comparative example) was added and uniformly dispersed.
(2) Water (E) heated to 80 ° C. was gradually added while stirring (1) with a propeller at 100 rpm.
(3) While maintaining (2) at 80 ° C., the propeller was stirred at 100 rpm for 30 minutes.
(4) Phenoxyethanol was added to (3), and the mixture was gently stirred and cooled until it reached room temperature to prepare a water-in-oil emulsified composition.

<評価方法>
水の放出度合い、使用感および安定性を、以下の方法に基づいて評価した。評価結果を表1〜表6に示す。
<Evaluation method>
The degree of water release, usability and stability were evaluated based on the following methods. The evaluation results are shown in Tables 1 to 6.

<水の放出度合い(水放出性)>
製剤約1gを手の甲に塗り広げたときに製剤中から水が放出されるか否かを目視で評価した。
○:製剤から水が放出される。
×:製剤から水が放出されない。
<Degree of water release (water release property)>
It was visually evaluated whether or not water was released from the preparation when about 1 g of the preparation was spread on the back of the hand.
◯: Water is released from the preparation.
X: No water is released from the preparation.

<使用感(滑らかさ)>
製剤約1gを手の甲に塗り広げたときの製剤の滑らかさを官能評価により三段階で評価した。
○:滑らかである
△:やや滑らかである
×:滑らかではない
<Usage (smoothness)>
The smoothness of the preparation when about 1 g of the preparation was spread on the back of the hand was evaluated on a three-point scale by sensory evaluation.
○: Smooth △: Slightly smooth ×: Not smooth

<安定性>
50mL容量のポリエチレン(PE)製容器に実施例および比較例の組成物約40gを投入して密封後、1ヶ月間室温(25℃)で静置した後の製剤外観を目視評価した。
○:分離および沈殿のいずれも生じなかった
×:分離または沈殿が生じた
<Stability>
Approximately 40 g of the compositions of Examples and Comparative Examples were placed in a polyethylene (PE) container having a capacity of 50 mL, sealed, and then allowed to stand at room temperature (25 ° C.) for 1 month, and then the appearance of the preparation was visually evaluated.
◯: Neither separation nor precipitation occurred ×: Separation or precipitation occurred


表1、表2に示すように、(C)撥水撥油性紛体の含有量を大きくすることで、組成物の水放出性(内包性)が向上した。ただし、(C)撥水撥油性紛体の含有量が過剰になると、組成物の安定性が低下する傾向が認められた。
表面が撥水撥油処理された粉体を用いることで、無機紛体の種類に関わらず、同様の結果が得られた。

As shown in Tables 1 and 2, the water release property (encapsulation property) of the composition was improved by increasing the content of the (C) water-repellent oil-repellent powder. However, when the content of (C) water- and oil-repellent powder was excessive, the stability of the composition tended to decrease.
By using the powder whose surface was treated with water and oil repellency, the same result was obtained regardless of the type of inorganic powder.


(B)固体油の含有量により、製剤からの水放出性を調整することができた。また、(B)固体油の含有量が大きくなりすぎると、組成物の安定性が低下する傾向が認められた。
(B)固体油は、室温での固体の油であれば、高級アルコール、脂肪酸、植物油、鉱物油など種類を問わず、水放出性および安定性の良好な組成物が得られた。

(B) The water release property from the preparation could be adjusted by the content of the solid oil. Further, when the content of (B) solid oil becomes too large, the stability of the composition tends to decrease.
As long as the solid oil is a solid oil at room temperature, a composition having good water release property and stability was obtained regardless of the type such as higher alcohol, fatty acid, vegetable oil and mineral oil.


表4に示すように、種々の界面活性剤を用いて水の放出性を備えた製剤を調製することができた。安定性の観点から、HLBが12よりも小さい界面活性剤を用いることが好ましいといえる。

As shown in Table 4, various surfactants could be used to prepare water-releasing formulations. From the viewpoint of stability, it can be said that it is preferable to use a surfactant having an HLB of less than 12.


表5の比較例1〜比較例6に示すように、(A)液体油と(B)固体油とを併用することなく、一方のみを用いた場合、水放出性を備えた組成物を得ることができなかった。また、(A)液体油と(B)固体油とを併用したとしても、(C)撥水撥油性紛体を用いなければ、水を放出する油中水型乳化組成物を得ることができなかった。

As shown in Comparative Examples 1 to 6 in Table 5, when only one of (A) liquid oil and (B) solid oil is used without being used in combination, a composition having water release property is obtained. I couldn't. Further, even if (A) liquid oil and (B) solid oil are used in combination, a water-in-oil emulsified composition that releases water cannot be obtained unless (C) a water-repellent oil-repellent powder is used. It was.

表6に示すように、(C)撥水撥油性紛体の代わりに、表面が撥水撥油処理されていない無機紛体を用いた場合、水放出性の良好な組成物を得ることができなかった。この結果から、水放出性を示す組成物を得るためには、紛体表面がPFPOP処理された撥水撥油性紛体を用いる必要があるといえる。 As shown in Table 6, when an inorganic powder whose surface is not treated with water-repellent oil-repellent treatment is used instead of the water-repellent oil-repellent powder (C), a composition having good water-releasing property cannot be obtained. It was. From this result, it can be said that it is necessary to use a water-repellent oil-repellent powder whose surface is treated with PFPOP in order to obtain a composition exhibiting water-releasing property.

図1および図2は、実施例2および比較例8の組成物の図面代用顕微鏡写真である。同図に示すように、実施例2の組成物は、粒子径が10〜30μm程度のマクロエマルジョンであったのに対し、比較例8の組成物は、粒子径が1μm以下のエマルジョンであった。本発明の組成物は、油相中に大きな粒径の水相が分散していることで、良好な水放出性を実現したと考えられる。 1 and 2 are drawing-substituting micrographs of the compositions of Example 2 and Comparative Example 8. As shown in the figure, the composition of Example 2 was a macroemulsion having a particle size of about 10 to 30 μm, whereas the composition of Comparative Example 8 was an emulsion having a particle size of 1 μm or less. .. It is considered that the composition of the present invention has achieved good water release property because the aqueous phase having a large particle size is dispersed in the oil phase.

本発明の油中水型乳化組成物は、ウォーター−ドロップクイックブレイク型の化粧料として有用である。 The water-in-oil emulsified composition of the present invention is useful as a water-drop quick break type cosmetic.

Claims (9)

(A)常温で液体の液体油、(B)常温で固体の固体油、(C)撥水撥油性紛体、(D)界面活性剤および(E)水を含有している
油中水型乳化組成物。
Water-in-oil emulsification containing (A) liquid oil at room temperature, (B) solid oil at room temperature, (C) water-repellent oil-repellent powder, (D) surfactant and (E) water Composition.
前記(A)液体油の含有量が、1.0〜15重量%であり、
前記(B)固体油の含有量が2.0〜10重量%であり、
前記(C)撥水撥油性紛体の含有量が0.1〜1.5重量%である
請求項1に記載の油中水型乳化組成物。
The content of the liquid oil (A) is 1.0 to 15% by weight.
The content of the solid oil (B) is 2.0 to 10% by weight.
The water-in-oil emulsified composition according to claim 1, wherein the content of the water-repellent oil-repellent powder (C) is 0.1 to 1.5% by weight.
前記(E)水の含有量が60〜90重量%である
請求項1に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to claim 1, wherein the content of (E) water is 60 to 90% by weight.
前記(C)撥水撥油性紛体は、フッ素化合物で表面処理された無機紛体である
請求項1に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to claim 1, wherein the (C) water- and oil-repellent powder is an inorganic powder surface-treated with a fluorine compound.
前記(C)撥水撥油性紛体の含有量が前記(B)固体油の含有量の1/100〜1/2である
請求項4に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to claim 4, wherein the content of the (C) water-repellent oil-repellent powder is 1/100 to 1/2 of the content of the (B) solid oil.
前記(D)界面活性剤はHLBが2〜11である
請求項1に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to claim 1, wherein the surfactant (D) has an HLB of 2 to 11.
油相に分散する水相の平均粒子径が1〜100μmである
請求項1に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to claim 1, wherein the aqueous phase dispersed in the oil phase has an average particle size of 1 to 100 μm.
(F)シリコーン成分を実質的に含有しない
請求項1に記載の油中水型乳化組成物。
(F) The water-in-oil emulsified composition according to claim 1, which does not substantially contain a silicone component.
皮膚に塗布することにより、水相が放出される
請求項1〜8のいずれか1項に記載の油中水型乳化組成物。
The water-in-oil emulsified composition according to any one of claims 1 to 8, wherein the aqueous phase is released when applied to the skin.
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JP2003226634A (en) * 2001-11-30 2003-08-12 Kose Corp Water-in-oil emulsified cosmetic
JP2005008560A (en) * 2003-06-19 2005-01-13 Kao Corp Water-in-oil type emulsified cosmetic
JP2008184399A (en) * 2007-01-29 2008-08-14 Shiseido Co Ltd Powdery cosmetic
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60184003A (en) * 1984-03-01 1985-09-19 Lion Corp W/o-type emulsion cosmetic
JPH04279518A (en) * 1991-03-06 1992-10-05 Kanebo Ltd Cosmetic
JPH04308520A (en) * 1991-04-04 1992-10-30 Kanebo Ltd W/o-type make-up cosmetic
JPH11246354A (en) * 1997-12-29 1999-09-14 Kose Corp Water-in-oil type cosmetic
JP2003226634A (en) * 2001-11-30 2003-08-12 Kose Corp Water-in-oil emulsified cosmetic
JP2005008560A (en) * 2003-06-19 2005-01-13 Kao Corp Water-in-oil type emulsified cosmetic
JP2008184399A (en) * 2007-01-29 2008-08-14 Shiseido Co Ltd Powdery cosmetic
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JP2013010744A (en) * 2011-05-30 2013-01-17 Dow Corning Toray Co Ltd Novel organopolysiloxane elastomer and use of the same
JP2013227295A (en) * 2012-03-26 2013-11-07 Kose Corp Water-in-oil type solid cosmetic
JP2018526386A (en) * 2015-09-02 2018-09-13 アモーレパシフィック コーポレーション High internal phase oil-in-water cosmetic composition
WO2019004048A1 (en) * 2017-06-29 2019-01-03 信越化学工業株式会社 Water break-type sunscreen cosmetic product
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