JP3430179B2 - Cosmetics containing amorphous silica composite secondary particles - Google Patents
Cosmetics containing amorphous silica composite secondary particlesInfo
- Publication number
- JP3430179B2 JP3430179B2 JP02202994A JP2202994A JP3430179B2 JP 3430179 B2 JP3430179 B2 JP 3430179B2 JP 02202994 A JP02202994 A JP 02202994A JP 2202994 A JP2202994 A JP 2202994A JP 3430179 B2 JP3430179 B2 JP 3430179B2
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- JP
- Japan
- Prior art keywords
- amorphous silica
- secondary particles
- silica composite
- composite secondary
- cosmetic
- 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.)
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Description
【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は非晶質シリカ複合二次粒
子を含有し、良好な仕上がり、良好な化粧持続性を有す
る優れた新規な化粧料に関する。
【０００２】
【従来の技術】粉体化粧料において、化粧料を皮膚に塗
布した際に化粧持続性の良さ、良好な仕上がり、かさつ
き感がないしっとりとした感触が望まれている。従来よ
り化粧料用粉体としては、タルク、雲母、セリサイト等
の無機体質顔料，二酸化チタン酸化鉄等の無機着色顔
料，雲母チタン等のパール剤，ナイロンパウダー等の有
機粉末等が使用されてきた。しかしながら、従来の粉体
を用いた化粧料では良好な仕上がりと化粧持続性の点で
必ずしも満足できるものではなかった。
【０００３】
【発明が解決しようとする課題】粉体化粧料の化粧くず
れは皮膚から分泌される皮脂、汗によって引き起こさ
れ、望まれる化粧持続性の良さは化粧料中の粉体に吸
油、吸水がすみやかに行われる必要があり、粉体の吸油
量、吸水量が高いことにより達成される。また良好な仕
上がりを得るためには皮膚表面のしわ部分や毛穴部分を
目立たなくさせる必要がある。その為には化粧料中の粉
体には、光があたった場合の正反射が少なく、拡散反射
が多いことでしわや毛穴を目立たなくする効果を持つこ
とが求められる。
【０００４】例えばタルク、マイカといった通常用いら
れる体質顔料の場合、吸油量、吸水量も少なく、吸油・
吸水速度も遅い。しかも、正反射が多く、配合した化粧
料ではしわや毛穴が目立ち化粧崩れがおきやすいという
問題があった。また、球状多孔性無機粉体や球状多孔性
樹脂粉体なども用いられるが、かさつき感が強く、付着
性が悪い為に化粧料にしっとり感を与えることができず
皮膚へのつきを悪くさせるという欠点があった。さらに
配合した場合に化粧持続性の良さと良好なる仕上がりが
同時に得られる性能を付与しているとは言いがたい。従
って、化粧料に良好な化粧持続性と良好な仕上がりを付
与し得る粉体及びこれを配合することで更に化粧性能に
優れた化粧料が望まれていた。
【０００５】
【課題を解決するための手段】本発明者らは上記実情に
鑑み、鋭意研究を重ねた結果、針状の非晶質シリカに粒
状の非晶質シリカが多数不規則に付着している複合一次
粒子が三次元的に不規則に絡合してなるほぼ球状の非晶
質シリカ複合二次粒子を配合した化粧料が化粧持続性の
良さ、良好な仕上がり等の物性に優れていることを見い
だし、本発明を完成するに至った。
【０００６】即ち、本発明は針状の非晶質シリカに粒状
の非晶質シリカが多数不規則に付着している複合一次粒
子が三次元的に不規則に絡合してなるほぼ球状の非晶質
シリカ複合二次粒子を含有することを特徴とする化粧料
に関するものである。以下に本発明の構成について詳述
する。
【０００７】本発明に用いられる非晶質シリカ複合二次
粒子は、長さ１〜５０μｍ，幅０．０１〜２０μｍ程度
の針状の非晶質シリカに粒径５〜２００ｎｍ程度の粒状
の非晶質シリカが多数不規則に付着していることを特徴
とする複合一次粒子が三次元的に不規則に絡合してほぼ
球状の粒子をなすものである。なお、上記針状とは棒状
及び柱状を含むものである。以下に製造工程の一例を示
す。
【０００８】本化粧品に使用される非晶質シリカ複合二
次粒子としては、国際出願番号ＰＣＴ／ＪＰ９０／０１
２３５に記載されているものを好適に用いることができ
る。例えば、けい酸原料としてホワイトカーボンと珪石
粉を、石灰原料として生石灰を用い、ＣａＯ／ＳｉＯ ２
モル比が１．００になるように調整し、更に水を加えて
原料スラリーとする。この原料スラリーをオートクレー
ブに入れて、攪拌下加圧・加熱処理してゾノトライトの
二次粒子よりなる水性スラリーを得る。次に上記スラリ
ーに珪酸ナトリウムを混合し、攪拌下炭酸ガスを圧入
し、温度８０℃で２ｋｇｆ／ｃｍ２、６時間反応させ
る。この反応物を濃度３規定の塩酸に１時間浸漬した
後、水洗・乾燥して、本発明に用いられる非晶質シリカ
複合二次粒子が得られる。図１は、この様にして得られ
た非晶質シリカ複合二次粒子の一例を示すもので３００
０倍の走査型電子顕微鏡写真であり、また図２は該複合
二次粒子を構成する複合一次粒子の２５０００倍の走査
型電子顕微鏡写真である。これより、非晶質シリカ複合
二次粒子は、針状の非晶質シリカに粒状の非晶質シリカ
が付着している複合一次粒子が、三次元的に絡合してほ
ぼ中空の球状粒子を成したものであることが判る。
【０００９】
【図１】
【００１０】
【図２】
【００１１】非晶質シリカ複合二次粒子の粒径は通常１
０〜１５０μｍであり、本発明の効果をより発揮するた
めには、１０〜５０μｍが好ましく、合成条件の制御や
合成物の分級により調製できる。また、１０μｍより細
かいと毛穴を目立たなくさせる効果が損なわれ、５０μ
ｍより大きいとざらつきを感じる。
【００１２】非晶質シリカ複合二次粒子の配合量は本発
明の化粧料全量中０．１〜８０重量％である。
【００１３】本発明の効果をより発揮させるには０．５
重量％以上が好ましく、さらに好ましくは１．０重量％
以上である。
【００１４】本発明の化粧料は皮膚に使用され、その保
護及び化粧を目的とする全てを含み必要に応じて各種オ
イル、界面活性剤、薬剤、色素、香料、保湿剤、水等の
一般に化粧品に配合される原料を配合することができ
る。
【００１５】
【実施例】次に実施例によって、本発明をさらに詳細に
説明する。ただし本発明は実施例に限定されるものでは
ない。
【００１６】試験例１ 本発明で用いた非晶質シリカ複
合二次粒子と従来の粉体の吸油量と毛穴を目立たなくさ
せる効果について評価した。結果を表１に示す。
（試験方法）吸油量はＪＩＳ Ｋ ５１０１に従い皮脂
中の成分であるスクワランを用いて測定した。毛穴を目
立たなくさせる効果については、ヒト頬部に化粧水を塗
布後試料をブラシで一定量塗布し毛穴の目立ちにくさを
見た。毛穴を目立たせなくする効果の優れているものを
○、やや効果のあるものを△、効果の無いものを×とし
て評価した。（以下余白）
【００１７】
【表１】【００１８】表中の結果から明かなごとく本発明で用い
た非晶質シリカ複合二次粒子は、吸油量が大きく化粧持
続性に優れ、毛穴を目立たなくする効果に優れているこ
とが認められた。
【００１９】実施例１ パウダーファンデーション
表２に示す組成のパウダーファンデーションを製造し、
化粧持ち，仕上がりの良さについて評価した。結果を表
３に示す。
（製法）顔料を混合、粉砕してヘンシェルミキサーに移
し、結合剤等を加熱混合し均一にしたものを顔料に混合
した後、再び粉砕して、ふるいに通した。これを金皿に
圧縮成型して、パウダーファンデーションを得た。
（以下余白）
【００２０】
【表２】
【００２１】（評価方法）化粧持ち、仕上がりの良さに
ついて１０人の専門パネラーにより官能評価をおこな
い、次の基準で示した。
○・・・・・８人以上良いと感じた。
△・・・・・４〜７人良いと感じた。
×・・・・・４人未満良いと感じた。
（以下余白）
【００２２】
【表３】
【００２３】表３から明かなごとく、上記のパウダーフ
ァンデーションは非晶質シリカ複合二次粒子を用いるこ
とにより、化粧持ちに優れ、仕上がりが良好なものであ
った。
【００２４】実施例２ ほほ紅
実施例１と同様にして目的のほほ紅を得た。組成 (%)
1 タルク 残量
2 マイカ 15.0
3 非晶質シリカ複合二次粒子 5.0
4 酸化チタン 5.0
5 赤色２０２号 2.0
6 スクワラン 6.0
7 ジメチルポリシロキサン 6.0
8 防腐剤 0.2
9 香料 0.2
（以下余白）
【００２５】実施例３ パウダーアイシャドウ
実施例１と同様にして目的のパウダーアイシャドウを得
た。組成 (%)
1 マイカ 残量
2 セリサイト 20.0
3 非晶質シリカ複合二次粒子 8.0
4 ベンガラ 1.0
5 黄酸化鉄 2.0
6 スクワラン 8.0
7 ジメチルポリシロキサン 6.0
8 防腐剤 0.2
9 香料 0.2
【００２６】実施例４ プレストパウダー
実施例１と同様にして目的のプレストパウダーを得た。組成 (%)
1 タルク 残量
2 セリサイト 20.0
3 非晶質シリカ複合二次粒子 10.0
4 ベンガラ 0.2
5 黄酸化鉄 0.5
6 黒酸化鉄 0.01
7 酸化チタン 3.0
8 スクワラン 4.0
9 ジメチルポリシロキサン 4.0
10 防腐剤 0.2
11 香料 0.2
【００２７】実施例２〜４で得られた化粧料はいずれも
化粧持ちに優れ、仕上がりが良好なものであった。
【００２８】実施例５ 化粧下地乳液組成 (%)
1 スクワラン 5.0
2 トリオクタン酸セチル 5.0
3 モノステアリン酸ソルビタン 1.0
4 ポリオキシエチレン硬化ヒマシ油 1.0
5 セタノール 1.0
6 １，３−ブチレングリコール 5.0
7 非晶質シリカ複合二次粒子 0.5
8 防腐剤 0.2
9 香料 0.2
10 精製水 残量
（製法）成分１〜５を加温溶解し、これに成分６，８，
１０を加温溶解したものに成分７を分散し乳化する。こ
れに成分９を加え、攪拌冷却し化粧下地用乳液を得た。
こうして得られた化粧下地用乳液は、従来のものよりフ
ァンデーションの化粧持ちを良くし、ファンデーション
の仕上がりを良くするものであった。
【００２９】
【発明の効果】本発明により、化粧持ちに優れ、毛穴が
目立たず仕上がりが良好な性質を有する化粧料を得るこ
とができる。
【００３０】Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an excellent novel cosmetic containing amorphous silica composite secondary particles, having a good finish and good cosmetic durability. . [0002] In powder cosmetics, when the cosmetic is applied to the skin, it is desired that the cosmetic has good persistence, a good finish and a moist feeling without bulkiness. Conventionally, powders for cosmetics include inorganic extender pigments such as talc, mica and sericite, inorganic coloring pigments such as titanium dioxide iron oxide, pearlescent agents such as titanium mica, and organic powders such as nylon powder. Was. However, cosmetics using conventional powders have not always been satisfactory in terms of good finish and long-lasting makeup. [0003] Cosmetic irregularities of powder cosmetics are caused by sebum and sweat secreted from the skin, and the desired good persistence of cosmetics is due to oil absorption and water absorption of powders in the cosmetics. It must be carried out promptly, and is achieved by high oil absorption and water absorption of the powder. In order to obtain a good finish, it is necessary to make wrinkles and pores on the skin surface inconspicuous. For that purpose, the powder in the cosmetic is required to have an effect of making wrinkles and pores inconspicuous due to a small regular reflection when exposed to light and a large diffuse reflection. [0004] In the case of a commonly used extender such as talc or mica, the oil absorption and water absorption are small,
The water absorption speed is also slow. In addition, there is a problem that wrinkles and pores are conspicuous and the makeup is easily disintegrated in the formulated cosmetic because there are many specular reflections. Spherical porous inorganic powders and spherical porous resin powders are also used, but they have a strong bulkiness and poor adhesion, making it difficult for cosmetics to give a moist feeling and poor adhesion to the skin. There was a drawback to make it. Further, it is hard to say that the composition imparts the property of simultaneously obtaining good cosmetic durability and good finish when blended. Accordingly, there has been a demand for a powder capable of imparting good cosmetic continuity and a good finish to the cosmetic, and a cosmetic having more excellent cosmetic performance by blending the powder. Means for Solving the Problems In view of the above circumstances, the present inventors have conducted intensive studies and as a result, a large number of granular amorphous silica irregularly adhered to acicular amorphous silica. Cosmetic compounded with nearly spherical amorphous silica composite secondary particles in which the composite primary particles are irregularly entangled three-dimensionally has excellent physical properties such as good cosmetic durability and good finish. And completed the present invention. That is, the present invention relates to a substantially spherical composite obtained by three-dimensionally irregularly entangled composite primary particles in which a large number of granular amorphous silica particles are irregularly adhered to acicular amorphous silica particles. The present invention relates to a cosmetic containing amorphous silica composite secondary particles. Hereinafter, the configuration of the present invention will be described in detail. The amorphous silica composite secondary particles used in the present invention are formed into acicular amorphous silica having a length of about 1 to 50 μm and a width of about 0.01 to 20 μm and a granular non-crystalline silica having a particle size of about 5 to 200 nm. The composite primary particles, which are characterized by a large number of amorphous silica particles adhering irregularly, are three-dimensionally irregularly entangled to form substantially spherical particles. The needle shape includes a rod shape and a column shape. An example of the manufacturing process will be described below. The amorphous silica composite secondary particles used in the present cosmetics include International Application No. PCT / JP90 / 01.
235 can be suitably used. For example, white carbon and silica stone powder are used as silicate raw materials, and quicklime is used as a lime raw material, and CaO / SiO 2 is used.
The molar ratio is adjusted to be 1.00, and water is further added to obtain a raw material slurry. This raw material slurry is placed in an autoclave and subjected to pressure and heat treatment with stirring to obtain an aqueous slurry composed of secondary particles of zonotlite. Next, sodium silicate is mixed into the slurry, carbon dioxide gas is injected under stirring, and the mixture is reacted at a temperature of 80 ° C. for 2 hours at 2 kgf / cm 2 . This reaction product is immersed in 3N hydrochloric acid for 1 hour, washed with water and dried to obtain the amorphous silica composite secondary particles used in the present invention. FIG. 1 shows an example of the amorphous silica composite secondary particles thus obtained.
FIG. 2 is a scanning electron micrograph at 0 × magnification, and FIG. 2 is a scanning electron micrograph at 25,000 × magnification of the composite primary particles constituting the composite secondary particles. Thus, the amorphous silica composite secondary particles are three-dimensionally entangled with the composite primary particles in which the granular amorphous silica is attached to the acicular amorphous silica, and are almost hollow spherical particles. It turns out that it has achieved. FIG. 2 is a graph showing the relationship between the particle size of the amorphous silica composite secondary particles and the particle size of the secondary particles.
The thickness is preferably from 0 to 150 μm, and more preferably from 10 to 50 μm in order to further exert the effects of the present invention, and can be prepared by controlling the synthesis conditions and classifying the synthesized product. Further, if it is smaller than 10 μm, the effect of making pores inconspicuous is impaired,
If it is larger than m, it feels rough. The compounding amount of the amorphous silica composite secondary particles is 0.1 to 80% by weight based on the total amount of the cosmetic of the present invention. In order to further exert the effect of the present invention, 0.5
% By weight or more, more preferably 1.0% by weight
That is all. The cosmetics of the present invention are used on the skin, and generally include cosmetics such as various oils, surfactants, drugs, pigments, fragrances, humectants, water, etc., including all for protection and cosmetic purposes. Can be blended. Next, the present invention will be described in more detail by way of examples. However, the present invention is not limited to the examples. Test Example 1 The amorphous silica composite secondary particles used in the present invention and the conventional powder were evaluated for the oil absorption and the effect of making pores inconspicuous. Table 1 shows the results. (Test method) The oil absorption was measured using squalane which is a component in sebum according to JIS K 5101. Regarding the effect of making pores inconspicuous, a lotion was applied to the cheeks of a human and then a certain amount of a sample was applied with a brush, and the pores were made inconspicuous. A sample having an excellent effect of making pores inconspicuous was evaluated as ○, a sample having a slight effect was evaluated as Δ, and a sample having no effect was evaluated as ×. (Hereinafter, blank space) It is clear from the results in the table that the present invention is used.
It was recognized that the amorphous silica composite secondary particles had a large oil absorption, were excellent in cosmetic persistence, and were excellent in the effect of making pores inconspicuous. Example 1 Powder foundation A powder foundation having the composition shown in Table 2 was prepared.
We evaluated the long-lasting makeup and good finish. Table 3 shows the results. (Preparation method) The pigment was mixed, pulverized, transferred to a Henschel mixer, and a binder and the like were mixed by heating and mixed, mixed with the pigment, pulverized again, and passed through a sieve. This was compression-molded on a metal plate to obtain a powder foundation. (Hereinafter, blank) (Evaluation Method) Sensory evaluation was carried out by 10 expert panelists on the goodness of the makeup and the finish, and the results were shown according to the following criteria. ○ ・ ・ ・ ・ ・ ・ ・ I felt that 8 or more people were good. Δ: 4 to 7 people felt good. ×: I felt that less than 4 people were good. [Table 3] As is clear from Table 3, the above powder foundation was excellent in cosmetic durability and finished well by using the amorphous silica composite secondary particles. Example 2 Blush In the same manner as in Example 1, the desired blush was obtained. Composition (%) 1 Talc Remaining amount 2 Mica 15.0 3 Amorphous silica composite secondary particles 5.0 4 Titanium oxide 5.0 5 Red No. 202 2.0 6 Squalane 6.0 7 Dimethylpolysiloxane 6.0 8 Preservative 0.29 Fragrance 0.2 (Margin) Example 3 Powder Eye Shadow An intended powder eye shadow was obtained in the same manner as in Example 1. Composition (%) 1 Mica Remaining amount 2 Sericite 20.0 3 Amorphous silica composite secondary particles 8.0 4 Bengala 1.05 Iron yellow oxide 2.0 6 Squalane 8.0 7 Dimethyl polysiloxane 6.0 8 Preservative 0.29 Fragrance 0.2 [Example] 4 Pressed powder The target pressed powder was obtained in the same manner as in Example 1. Composition (%) 1 Talc Remaining amount 2 Sericite 20.0 3 Amorphous silica composite secondary particles 10.0 4 Bengala 0.25 Yellow iron oxide 0.56 Black iron oxide 0.01 7 Titanium oxide 3.0 8 Squalane 4.09 Dimethylpolysiloxane 4.0 10 Preservative 0.2 11 Perfume 0.2 The cosmetics obtained in Examples 2 to 4 were all excellent in long-lasting makeup and excellent in finish. Example 5 Composition of makeup base emulsion (%) 1 Squalane 5.0 2 Cetyl trioctanoate 5.0 3 Sorbitan monostearate 1.04 Polyoxyethylene hydrogenated castor oil 1.05 Cetanol 1.0 6 1,3-butylene glycol 5.0 7 Amorphous Silica composite secondary particles 0.58 Preservatives 0.29 Flavors 0.210 Purified water Residual amount (production method)
Component 7 is dispersed and emulsified in a solution obtained by heating and dissolving 10. Ingredient 9 was added thereto, and the mixture was stirred and cooled to obtain an emulsion for makeup base.
The emulsion for makeup base thus obtained improved the makeup lastability of the foundation and improved the finish of the foundation as compared with the conventional one. According to the present invention, it is possible to obtain a cosmetic which has excellent cosmetic durability, has less noticeable pores, and has a good finish. [0030]
【図面の簡単な説明】
【図１】非晶質シリカ複合二次粒子の走査型電子顕微鏡
写真
【図２】該複合二次粒子を構成する複合一次粒子の走査
型電子顕微鏡写真BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a scanning electron micrograph of amorphous silica composite secondary particles. FIG. 2 is a scanning electron micrograph of composite primary particles constituting the composite secondary particles.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 柴原 数雄 岐阜県本巣郡糸貫町見延1386番地の14 (56)参考文献 特開 平４−145011（ＪＰ，Ａ) 特開 平２−172902（ＪＰ，Ａ) 国際公開91／004225（ＷＯ，Ａ１) (58)調査した分野(Int.Cl.7，ＤＢ名) A61K 7/00 - 7/50 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kazuo Shibahara 1386, Nobuno, Itonuki-cho, Motosu-gun, Gifu Prefecture (56) References JP-A-4-145011 (JP, A) JP-A-2-172902 ( JP, A) International Publication 91/004225 (WO, A1) (58) Fields investigated (Int. Cl. 7 , DB name) A61K 7/ 00-7/50
Claims (1)
カが多数不規則に付着している複合一次粒子が三次元的
に不規則に絡合してなるほぼ球状の非晶質シリカ複合二
次粒子を含有することを特徴とする化粧料(57) [Claims 1] Composite primary particles in which a large number of granular amorphous silicas are irregularly adhered to needle-like amorphous silicas are three-dimensionally irregularly entangled. Comprising a substantially spherical amorphous silica composite secondary particle formed by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02202994A JP3430179B2 (en) | 1994-01-21 | 1994-01-21 | Cosmetics containing amorphous silica composite secondary particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02202994A JP3430179B2 (en) | 1994-01-21 | 1994-01-21 | Cosmetics containing amorphous silica composite secondary particles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07206639A JPH07206639A (en) | 1995-08-08 |
| JP3430179B2 true JP3430179B2 (en) | 2003-07-28 |
Family
ID=12071560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02202994A Expired - Fee Related JP3430179B2 (en) | 1994-01-21 | 1994-01-21 | Cosmetics containing amorphous silica composite secondary particles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3430179B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183930A (en) * | 1992-06-17 | 1993-02-02 | Rohm And Haas Company | Transesterification catalyst |
| WO2013190709A1 (en) | 2012-06-21 | 2013-12-27 | L'oreal | Pore hiding cosmetic composition comprising a plate type filler, a silicon elastomer and an oil absorbing filler |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02172902A (en) * | 1988-12-24 | 1990-07-04 | Tombow Pencil Co Ltd | Cosmetic |
| EP0445301B1 (en) * | 1989-09-25 | 1994-08-24 | Kabushiki Kaisha Osaka Packing Seizosho | Composite primary particle of noncrystalline silica, composite secondary particle of noncrystalline silica, shaped form thereof and production thereof |
| JP3066974B2 (en) * | 1990-10-02 | 2000-07-17 | 旭硝子株式会社 | Silica-containing cosmetics |
-
1994
- 1994-01-21 JP JP02202994A patent/JP3430179B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07206639A (en) | 1995-08-08 |
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