JP3621233B2 - Transparent solid powder cosmetic - Google Patents

Transparent solid powder cosmetic Download PDF

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Publication number
JP3621233B2
JP3621233B2 JP18252697A JP18252697A JP3621233B2 JP 3621233 B2 JP3621233 B2 JP 3621233B2 JP 18252697 A JP18252697 A JP 18252697A JP 18252697 A JP18252697 A JP 18252697A JP 3621233 B2 JP3621233 B2 JP 3621233B2
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Prior art keywords
powder
solid powder
powder cosmetic
usability
present
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JP18252697A
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JPH1129436A (en
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一弘 清水
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株式会社カネボウ化粧品
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Description

【0001】
【発明の属する技術分野】
本発明は、外観上透明であって美的感覚に優れ、かつパフ等を使用したときのとれ等使用性に優れた固形粉末化粧料に関する。
【0002】
【従来の技術】
近年、自然嗜好の風潮の中で素肌本来の美しさを訴求する目的のために外観上透明な多くの化粧料の開発がなされている。例えば、ローション、ポマード、ヘアスティック、口紅などに応用されている。しかし、これらの透明性化粧料は、水分あるいは油分が多量に配合されている場合に限られていた。その透明化技術を固形粉末化粧料に応用することは、固形粉末化粧料の処方構成上、屈折率の高い顔料の配合、あるいはバインダーとしての油分の少なさなどの点で、非常に困難であった。
【0003】
【発明が解決しようとする課題】
本発明は、外観上透明性を有し、粉末化粧料を塗布した後も素肌本来の美しさを訴求でき、しかも使用性に優れる、新規な固形粉末化粧料を提供することを目的とする。
【0004】
【課題を解決するための手段】
本発明者等は上記課題を解決すべく鋭意研究を行なった結果、(A)成分弾性粉末45〜97重量%、(B)成分平均粒子径が0.1〜50μmの範囲にある非弾性球状シリコーン樹脂粉末1〜25重量%及び(C)油剤2〜30重量%を含有することで外観上透明性を有し、かつ使用性に優れた固形粉末化粧料が得られることを見出し、本発明を完成した。
【0005】
【発明の実施の形態】
以下、本発明の実施の形態について詳述する。
【0006】
本発明で用いる(A)弾性粉末とは、電子顕微鏡を用いた観察による平均一次粒子径が、例えば、0.01〜1000μmの一次粒子の凝集体であるゴム弾性を有する樹脂粉末であり、シリコーンエラストマー、フルオロシリコーンエラストマー、変性シリコーンエラストマー、アクリル系ゴム、ポリウレタン系ゴム、ポリエチレン系ゴム、ポリエステル系ゴム等の合成エラストマー、及び天然ゴムのエラストマー等が挙げられる。
これらの内、平均一次粒子径が0.1〜20μmの範囲にあるシリコーンエラストマーが好ましい。シリコーンエラストマーの例としては、東レ・ダウコーニング・シリコーン社製のトレフィルEシリーズ、例えば、トレフィルE−505C、トレフィルE−506C、トレフィルE−507等が挙げられる。該シリコーンエラストマーは、ジメチルポリシロキサン、メチルフェニルポリシロキサンなどのシリコーン油を含有していても構わない。
なお、シリコーンエラストマーの配合量は、用いる剤型によって異なるが、一般に、45〜97重量%(以下、wt%と略す)が、感触に優れ、透明性が得られる点から好ましい。
【0007】
また、弾性粉末表面をトリメチルシロキシケイ酸、シランカップリング剤、金属石鹸、N−アシル化リジン、パーフルオロアルキルリン酸エステル塩等従来公知の化合物で処理した弾性粉末、メカノケミカル処理、プラズマ処理等の処理が行われた弾性粉末も、本発明に適用される。
使用に際しては、そのまま用いても構わないが、ビーズミル、擂潰機等を用いてその凝集を解き、使用するほうが、より好ましい。
【0008】
本発明で用いる(B)成分の非弾性球状粉末としては、平均粒子径が0.1〜50μmの非弾性球状シリコーン樹脂粉末であり、ブラシを使用したときの粉末化粧料のとれ等の使用性の面から好ましい。
【0009】
非弾性球状粉末の平均粒子径は、化粧料の肌上での「のび」・「肌への付着性」などを考慮した場合、平均粒子径が0.1〜50μmであることが必要であり、好ましくは1〜10μmである。
【0010】
また、その配合量は、配合する非弾性球状粉末の種類により異なるが、1〜25wt%が好ましく、更に好ましくは5〜20wt%である。この範囲では、最終製品の「外観上の透明性」・「パフでの使用性」に優れる。
【0011】
本発明で用いる(C)成分の油剤としては、通常化粧料に用いられる室温で半固形、液状油剤を用いることができる。例えば、ワセリン、流動パラフィン等の炭化水素類;ステアリン酸、オレイン酸等の脂肪酸類;トリカプリン酸グリセリル、トリステアリン酸グリセリル等のトリグリセライド類;セタノール等の高級アルコール類;ミリスチン酸イソプロピル等のエステル類;ラノリン誘導体;メチルポリシロキサン、フェニルメチルポリシロキサン等のシリコーン化合物類;グリセリン、1,3−ブチレングリコール等の多価アルコール類;パーフルオロポリエーテル等のフッ素系油剤類が挙げられる。また、ワックス類等の固形油剤は溶融し、他の液状油剤と混合して溶液状態とすることにより使用することができる。
本発明において、これらの油性成分は1種以上を組み合わせて使用することができる。
【0012】
その配合量は、粉末化粧料としての使用性を考慮して、2〜30wt%が好ましい。この範囲であれば、感触、透明性に優れる。
【0013】
本発明でいう「透明性」のある化粧料とは、金皿の底面に白地に26ポイントの大きさの黒色文字を記した紙を置き、試料をその金皿に厚さ4.5〜5.0mmになるよう打型し、底面の文字を目視認識できるものをものをさす。
【0014】
なお一層美麗な外観を得るために、色素、有色顔料、白色顔料等を本発明の効果を損なわない程度に配合し、着色することも可能である。
【0015】
例えば、赤色104号、赤色226号、黄色4号、青色1号、青色404号等の色素、黄色4号Alレーキ、黄色203号Baレーキ等のレーキ色素、黄酸化鉄、赤色酸化鉄、黒酸化鉄、酸化クロム、カーボンブラック、群青、紺青等の有色顔料、酸化亜鉛、酸化チタン、酸化セリウム等の白色顔料、雲母チタン等のパール顔料、硫酸バリウム、炭酸カルシウム、炭酸マグネシウム、珪酸アルミニウム等の金属塩等が挙げられる。
これらの粉末の形状、大きさに、特に制限はないが、平均一次粒子径として、0.01〜20μmの範囲にあるものが好ましい。
また、その配合量としては0.1wt%以下、好ましくは0.01wt以下程度である。
【0016】
更に、上記粉末の他に必要に応じて一般に添加されている成分を、発明の効果を損なわない程度に配合することができる。これらの成分として紫外線吸収剤、防腐剤、香料、酸化防止剤、保湿剤、ビタミン類・血行促進剤・セラミド類・植物抽出エキス等の生理活性成分などが挙げられる。
【0017】
本発明の、美麗な透明性を有し、かつ使用性の良好な透明性固形粉末化粧料を得るには、特別の製造装置を必要とせず、従来ファンデーション、プレストパウダーを製造するために用いている製造方法に準じればよい。
【0018】
本発明の透明性固形粉末化粧料の例としては、剤型的には粉末を固形化したものであれば特に剤型を選ばない。例えば、容器に充填し、固形化したものとしては、ファンデーション、プレストパウダー、チークカラー、アイシャドウ等が挙げられる。また、粉末そのものを固化成型したものとしては、パウダースティック等が挙げられる。
【0019】
【実施例】
次に実施例及び比較例を挙げて本発明を説明するが、本発明はこれらに限定されるものではない。
【0020】
実施例は表1に、比較例は表2に示す処方でプレストパウダーを作製した。なお、(A)成分の弾性粉末としてはシリコーンエラストマー(前記、トレフィルE−505C)を、(B)成分の非弾性球状粉末としては球状シリコーン樹脂〔東芝シリコーン社製、トスパール145A(平均一次粒子径4.5μm)〕、又は球状シリカ〔富士エデヴィソン社製、サイロピュア30(平均一次粒子径5.0μm)〕を使用した。
【0021】
【表1】

Figure 0003621233
【0022】
【表2】
Figure 0003621233
【0023】
実施例及び比較例の試料の製造方法は、粉末成分を均一に混合した後、油剤成分を加え、更に均一状態になるまで混合を行った。得られた混合粉末を金皿に打型(厚さ4.5mm,打型圧1〜3kg/cm) し、試料とした。
【0024】
本発明で用いた「透明性」、「使用性」の評価方法は下記の通りである。
【0025】
(1)透明性の評価方法
試料を目視観察し、
金皿の底面の文字が認識できた場合 :○、
金皿の底面の文字が認識できなかった場合:×、
として行った。
【0026】
(2)使用性の評価方法
10名の被験者に対し、パフを用いて使用させ、「均一にとれる」、「普通」、「均一にとれない」の3段階で評価を行い、「均一にとれる」と回答したパネラーの人数によって、表3の基準に従って評価した。
【0027】
【表3】
Figure 0003621233
【0028】
「透明性」及び「使用性」の評価結果を表1、2に併せて示す。
【0029】
表1から、本発明の実施例1〜4、6及び7は「透明性」及び「使用性」の各項目に対していずれも優れた評価結果を得た。
これに対し、表2の比較例はいずれかの項目に問題があった。比較例1,4,5,6及び7は(A)成分シリコーンエラストマーと(C)成分油剤との組み合わせであるが、この場合「透明性」は得られたものの、「使用性」は悪い結果であった。一方、比較例2,3は(B)成分非弾性球状粉末と(C)成分油剤との組み合わせであるが、この場合「透明性」は得られず、「使用性」は良好な結果であった。
【0030】
【発明の効果】
以上のことから、本発明は、外観上透明性を有し、かつパフなどでのとれ等の使用性に優れた固形状粉末化粧料を提供することは明らかである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a solid powder cosmetic that is transparent in appearance, excellent in aesthetic sense, and excellent in usability such as removal when a puff or the like is used.
[0002]
[Prior art]
In recent years, many cosmetics that are transparent in appearance have been developed for the purpose of appealing the natural beauty of the skin in a natural taste. For example, it is applied to lotions, pomades, hair sticks, lipsticks and the like. However, these transparent cosmetics are limited to cases where a large amount of moisture or oil is blended. It is very difficult to apply the clearing technology to solid powder cosmetics because of the formulation of the solid powder cosmetics, in terms of blending pigments with a high refractive index or low oil content as a binder. It was.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a novel solid powder cosmetic that is transparent in appearance, can appeal to the original beauty of the skin even after applying the powder cosmetic, and is excellent in usability.
[0004]
[Means for Solving the Problems]
As a result of intensive studies to solve the above-mentioned problems, the present inventors have found that (A) component elastic powder is 45 to 97% by weight, and (B) component average particle diameter is in the range of 0.1 to 50 μm. It has been found that the inclusion of 1 to 25% by weight of the silicone resin powder and 2 to 30% by weight of the (C) oil agent makes it possible to obtain a solid powder cosmetic having transparency in appearance and excellent usability. Was completed.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail.
[0006]
The (A) elastic powder used in the present invention is a resin powder having rubber elasticity that is an aggregate of primary particles having an average primary particle diameter of 0.01 to 1000 μm, for example, as observed with an electron microscope. Examples include elastomers, fluorosilicone elastomers, modified silicone elastomers, synthetic rubbers such as acrylic rubbers, polyurethane rubbers, polyethylene rubbers, and polyester rubbers, and natural rubber elastomers.
Among these, a silicone elastomer having an average primary particle diameter in the range of 0.1 to 20 μm is preferable. Examples of silicone elastomers include Toray Fill E series manufactured by Toray Dow Corning Silicone, for example, Trefill E-505C, Trefil E-506C, Trefill E-507, and the like. The silicone elastomer may contain silicone oil such as dimethylpolysiloxane and methylphenylpolysiloxane.
In addition, although the compounding quantity of a silicone elastomer changes with dosage forms to be used, generally 45-97 weight% (henceforth abbreviated as wt%) is preferable from the point which is excellent in touch and can obtain transparency.
[0007]
Also, elastic powder, mechanochemical treatment, plasma treatment, etc., where the surface of the elastic powder is treated with a conventionally known compound such as trimethylsiloxysilicic acid, silane coupling agent, metal soap, N-acylated lysine, perfluoroalkyl phosphate ester salt, etc. The elastic powder that has been subjected to the above treatment is also applied to the present invention.
At the time of use, it may be used as it is, but it is more preferable to use the bead mill, a pulverizer or the like after releasing the aggregation.
[0008]
The inelastic spherical powder of the component (B) used in the present invention is an inelastic spherical silicone resin powder having an average particle size of 0.1 to 50 μm, and usability such as a powder cosmetic scrap when a brush is used. From the viewpoint of
[0009]
The average particle size of the non-elastic spherical powder needs to be 0.1 to 50 μm when taking into account the “nodding” and “adhesion to the skin” of the cosmetics. Preferably, it is 1-10 micrometers.
[0010]
Moreover, although the compounding quantity changes with kinds of inelastic spherical powder to mix | blend, 1-25 wt% is preferable, More preferably, it is 5-20 wt%. Within this range, the final product is excellent in “transparency on appearance” and “useability in puff”.
[0011]
As the oil agent of component (C) used in the present invention, a semi-solid liquid oil agent can be used at room temperature which is usually used for cosmetics. For example, hydrocarbons such as petroleum jelly and liquid paraffin; fatty acids such as stearic acid and oleic acid; triglycerides such as glyceryl tricaprate and glyceryl tristearate; higher alcohols such as cetanol; esters such as isopropyl myristate; Lanolin derivatives; silicone compounds such as methylpolysiloxane and phenylmethylpolysiloxane; polyhydric alcohols such as glycerin and 1,3-butylene glycol; and fluorine-based oils such as perfluoropolyether. Moreover, solid oil agents, such as waxes, can be used by melting and mixing with other liquid oil agents to form a solution state.
In the present invention, these oily components can be used in combination of one or more.
[0012]
The blending amount is preferably 2 to 30 wt% in consideration of usability as a powder cosmetic. If it is this range, it is excellent in a touch and transparency.
[0013]
The “transparent” cosmetic referred to in the present invention is a paper on which a black character with a size of 26 points on a white background is placed on the bottom of a metal plate, and the sample is placed on the metal plate with a thickness of 4.5-5. A tool that can be cast to 0 mm and that can visually recognize the characters on the bottom.
[0014]
In order to obtain a more beautiful appearance, it is also possible to mix and color a dye, a colored pigment, a white pigment, etc. to such an extent that the effects of the present invention are not impaired.
[0015]
For example, red 104, red 226, yellow 4, blue 1, blue 404, etc., yellow 4 Al lake, yellow 203 Ba rake, etc., yellow iron oxide, red iron oxide, black Colored pigments such as iron oxide, chromium oxide, carbon black, ultramarine, and bitumen, white pigments such as zinc oxide, titanium oxide, and cerium oxide, pearl pigments such as mica titanium, barium sulfate, calcium carbonate, magnesium carbonate, aluminum silicate, etc. A metal salt etc. are mentioned.
Although there is no restriction | limiting in particular in the shape and magnitude | size of these powders, What is in the range of 0.01-20 micrometers as an average primary particle diameter is preferable.
Further, the blending amount is 0.1 wt% or less, preferably about 0.01 wt% or less.
[0016]
Furthermore, in addition to the above powder, components generally added as necessary can be blended to such an extent that the effects of the invention are not impaired. These components include ultraviolet absorbers, preservatives, fragrances, antioxidants, humectants, physiologically active ingredients such as vitamins, blood circulation promoters, ceramides, and plant extracts.
[0017]
In order to obtain a transparent solid powder cosmetic having beautiful transparency and good usability according to the present invention, a special production apparatus is not required, and it has been used for producing conventional foundations and pressed powders. What is necessary is just to follow the manufacturing method which exists.
[0018]
As an example of the transparent solid powder cosmetic of the present invention, the dosage form is not particularly selected as long as the powder is solidified. For example, as a material filled in a container and solidified, foundation, pressed powder, cheek color, eye shadow and the like can be mentioned. Moreover, powder sticks etc. are mentioned as what solidified and molded the powder itself.
[0019]
【Example】
Next, although an example and a comparative example are given and the present invention is explained, the present invention is not limited to these.
[0020]
A pressed powder was prepared according to the formulation shown in Table 1 for Examples and Table 2 for Comparative Examples. As the elastic powder of the component (A), a silicone elastomer (prefill E-505C) is used. As the non-elastic spherical powder of the component (B), a spherical silicone resin [Tospearl 145A (average primary particle size, manufactured by Toshiba Silicone Co., Ltd.) is used. 4.5 μm)] or spherical silica [Fuji Edevison, Silo Pure 30 (average primary particle size: 5.0 μm)] was used.
[0021]
[Table 1]
Figure 0003621233
[0022]
[Table 2]
Figure 0003621233
[0023]
In the method for producing samples of Examples and Comparative Examples, the powder components were mixed uniformly, then the oil component was added, and mixing was further performed until a uniform state was achieved. The obtained mixed powder was punched into a metal pan (thickness 4.5 mm, punching pressure 1 to 3 kg / cm 2 ) to prepare a sample.
[0024]
Evaluation methods of “transparency” and “usability” used in the present invention are as follows.
[0025]
(1) Transparency evaluation method A sample is visually observed,
If the letter on the bottom of the pan is recognized: ○,
If the letter on the bottom of the pan could not be recognized: x,
Went as.
[0026]
(2) Usability evaluation method Ten subjects were allowed to use a puff and evaluated in three stages: "can be taken uniformly", "normal" and "cannot be taken uniformly". According to the number of panelists who answered "
[0027]
[Table 3]
Figure 0003621233
[0028]
The evaluation results of “transparency” and “usability” are shown in Tables 1 and 2.
[0029]
From Table 1, Examples 1-4, 6, and 7 of this invention obtained the evaluation result which was excellent with respect to each item of "transparency" and "usability".
On the other hand, the comparative example of Table 2 has a problem in any item. Comparative Examples 1, 4, 5, 6 and 7 are combinations of the (A) component silicone elastomer and the (C) component oil. In this case, “transparency” was obtained, but “usability” was poor. Met. On the other hand, Comparative Examples 2 and 3 are a combination of the (B) component inelastic spherical powder and the (C) component oil. In this case, “transparency” was not obtained, and “usability” was a good result. It was.
[0030]
【The invention's effect】
From the above, it is apparent that the present invention provides a solid powder cosmetic that is transparent in appearance and excellent in usability such as removal in a puff or the like.

Claims (1)

(A)弾性粉末45〜97重量%、(B)平均粒子径が0.1〜50μmの範囲にある非弾性球状シリコーン樹脂粉末1〜25重量%及び(C)油2〜30重量%を必須成分とし、これらの混合組成物を打型して得られる透明性固形粉末化粧料。(A) an elastic powder 45-97 wt%, the non-elastic spherical silicone resin powder 1 to 25 wt% and (C) 2 to 30 wt% oil agent in the range of (B) the average particle diameter 0.1~50μm A transparent solid powder cosmetic obtained by molding these mixed compositions as an essential component.
JP18252697A 1997-07-08 1997-07-08 Transparent solid powder cosmetic Expired - Fee Related JP3621233B2 (en)

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JPWO2007029761A1 (en) * 2005-09-07 2009-03-19 花王株式会社 Transparent solid powder cosmetic

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FR2967349B1 (en) * 2010-11-15 2013-06-14 Oreal COSMETIC COSMETIC SOLID COMPOSITION FOR MAKE-UP AND / OR CARE

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JP3434881B2 (en) * 1994-03-31 2003-08-11 株式会社資生堂 Method for producing solid powder makeup cosmetic
JPH0826930A (en) * 1994-07-11 1996-01-30 Kanebo Ltd Solid type makeup cosmetic
JP3110279B2 (en) * 1995-02-27 2000-11-20 鐘紡株式会社 Sunscreen agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007029761A1 (en) * 2005-09-07 2009-03-19 花王株式会社 Transparent solid powder cosmetic
JP4604090B2 (en) * 2005-09-07 2010-12-22 花王株式会社 Transparent solid powder cosmetic

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