JP5042540B2 - Method for producing cosmetics containing composite particles - Google Patents
Method for producing cosmetics containing composite particles Download PDFInfo
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- JP5042540B2 JP5042540B2 JP2006176319A JP2006176319A JP5042540B2 JP 5042540 B2 JP5042540 B2 JP 5042540B2 JP 2006176319 A JP2006176319 A JP 2006176319A JP 2006176319 A JP2006176319 A JP 2006176319A JP 5042540 B2 JP5042540 B2 JP 5042540B2
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Description
本発明は複合粒子及びこれを含有する化粧料に関し、更に詳細には、球状粉末の表面にアルミナ粉末を被覆した複合粒子及びこれを含有する化粧料に関する。 The present invention relates to composite particles and cosmetics containing the same, and more particularly to composite particles in which the surface of a spherical powder is coated with alumina powder and a cosmetic containing the same.
従来から、化粧料には粉体を含有するものが種々知られている。これらの化粧料に使用する粉体は、それらの持つ個々の特性、すなわち、伸び、付着性、滑らかさ、隠蔽力等の使用性、仕上がり性を考慮して選択され、その配合量も決定されている。アルミナ粉末は化粧料用粉体として伸び、密着性、カバー力などを向上させる目的で化粧料に配合されている(例えば、特許文献1)。 Conventionally, various cosmetics containing powder are known. The powders used in these cosmetics are selected in consideration of their individual characteristics, i.e., usability such as elongation, adhesion, smoothness, hiding power, and finish, and the blending amount is also determined. ing. Alumina powder is blended in cosmetics for the purpose of elongating and improving adhesion, covering power, etc. as a powder for cosmetics (for example, Patent Document 1).
しかしながら、アルミナ粉末は、正反射率が高いことから艶がある反面、ぎらつき感があり、これを配合した化粧料はぎらつき感を生じ、不自然な仕上がりになるという欠点を有していた。 However, the alumina powder is glossy because of its high regular reflectance, but it has a glare, and the cosmetics containing this have the disadvantage of creating a glare and unnatural finish. .
そこで、アルミナ粉末のもつ艶、伸び、密着性、カバー力の良さを損ねることなしに、いかにぎらつき感や不自然な仕上がりを抑えるかが課題とされていた。
したがって、アルミナ粉末の有する艶、伸び、密着性、カバー力等の物性を生かしながら、ぎらつき感や不自然な仕上がりを改善した粉体の提供が求められていた。 Accordingly, there has been a demand for providing a powder that improves glare and unnatural finish while taking advantage of the properties such as gloss, elongation, adhesion, and covering power of alumina powder.
本発明者らは、アルミナ粉末の有するぎらつき感を抑えるべく鋭意研究を行った結果、従来より化粧料粉体として利用されている球状粉末の表面をアルミナ粉末で被覆することにより上記課題を解決しうることを見出し、本発明を完成するに至った。 As a result of intensive studies to suppress the glare of the alumina powder, the present inventors solved the above problem by coating the surface of a spherical powder conventionally used as a cosmetic powder with the alumina powder. As a result, the present invention has been completed.
すなわち、本発明は、球状粉末の表面をアルミナ粉末で被覆したことを特徴とする複合粒子及びこれを含有する化粧料を提供するものである。 That is, the present invention provides composite particles characterized in that the surface of a spherical powder is coated with alumina powder, and a cosmetic containing the same.
本発明に係る球状粉末表面にアルミナ粉末を被覆してなる複合粒子は、艶、伸び、密着性、カバー力が良好でかつ、従来のアルミナ粉末とは異なりぎらつき感を生じない優れたものであった。さらに、この複合粒子を配合した化粧料は肌ざわり、付着感、伸びが良好で不自然なぎらつき感がなく、化粧膜の仕上がりにも優れ、使用感、化粧効果ともに優れたものである。 Composite particles formed by coating alumina powder on the spherical powder surface according to the present invention are excellent in gloss, elongation, adhesion, and covering power, and do not cause glare unlike conventional alumina powder. there were. Furthermore, a cosmetic containing this composite particle has a good texture, adhesion and elongation, no unnatural glare, excellent finish of the cosmetic film, and excellent usability and cosmetic effect.
以下、本発明を詳細に説明する。本発明の複合粒子において、母粒子として使用できるものとしては、化粧料の成分として公知である球状粉末と同じであればよく、具体的には、この平均粒子径が0.1〜500μmであることが好ましく、特には1.0〜50μmであることが好ましい。これは、この平均粒子径がこの範囲より小さくなるとアルミナ粉末による被覆が難しくなり、一方、この範囲より大きくなると、ざらざらした感触を生じるようになるためである。 Hereinafter, the present invention will be described in detail. The composite particles of the present invention can be used as mother particles as long as they are the same as spherical powders known as cosmetic ingredients. Specifically, the average particle diameter is 0.1 to 500 μm. It is preferable that it is 1.0-50 micrometers especially. This is because when the average particle size is smaller than this range, it becomes difficult to coat with alumina powder, while when it is larger than this range, a rough feel is generated.
球状粉末としては、シリカ、タルクその他の一般的な無機粉末でも良いが、有機粉末を用いた場合に比べ効果がやや劣る点、並びに無機粉末を用いた場合は接着付与剤等を必要とする等の製法の面から、有機粉末を用いることが特に好ましい。 As the spherical powder, silica, talc and other general inorganic powders may be used, but the effect is slightly inferior compared to the case of using organic powders, and the case where an inorganic powder is used requires an adhesion imparting agent, etc. From the viewpoint of the manufacturing method, it is particularly preferable to use an organic powder.
この球状有機粉末としては、シリコーン粉末、ナイロン、ポリエチレン、ポリプロピレン、ポリエステル、ポリスチレン、ポリウレタン、スチレン−アクリル共重合体、ポリメチルメタクリレート、エポキシ樹脂、フェノール樹脂、メラミン樹脂、セルロース、ポリオレフィン等が例示される。 Examples of the spherical organic powder include silicone powder, nylon, polyethylene, polypropylene, polyester, polystyrene, polyurethane, styrene-acrylic copolymer, polymethyl methacrylate, epoxy resin, phenol resin, melamine resin, cellulose, polyolefin, and the like. .
この母粒子の形状は、球状粉体が良い。理由としては球状粉末のほうが被覆後の拡散反射が高いためである。 The shape of the mother particles is preferably a spherical powder. The reason is that the spherical powder has higher diffuse reflection after coating.
一方、母粒子に被覆するアルミナは被覆しやすいよう、球状よりも板状のほうが好ましい。平均粒子径は0.1〜50μm、平均厚み0.001〜2.0μmが好ましく、特に平均粒子径が0.2〜25μmが望ましい。平均粒子径がこの範囲にあるとき母粒子への被覆性が向上し、ぎらつき感の少ない複合粒子が得られるようになる。 On the other hand, the alumina coated on the mother particles is preferably plate-shaped rather than spherical so that it can be easily coated. The average particle diameter is preferably from 0.1 to 50 μm and the average thickness is preferably from 0.001 to 2.0 μm, and particularly preferably from 0.2 to 25 μm. When the average particle diameter is in this range, the coverage of the mother particles is improved, and composite particles with less glare can be obtained.
母粒子に対するアルミナ粉末の被覆量は、特に限定されないが、好ましくは10〜70重量%、特に20〜60重量%が望ましい。アルミナ粉末の量が20重量%より少ないと、本発明の複合粒子の特性が発現し難く、また60重量%より多いと、母粒子から脱落するものが多くなり、ぎらつき感が出てくる。 The coating amount of the alumina powder with respect to the mother particles is not particularly limited, but is preferably 10 to 70% by weight, particularly 20 to 60% by weight. If the amount of the alumina powder is less than 20% by weight, the characteristics of the composite particles of the present invention are hardly exhibited. If the amount is more than 60% by weight, more of the particles fall off from the mother particles, resulting in a feeling of glare.
球状有機粉末の表面をアルミナ粉末で被覆し、本発明の複合粒子を得る方法としては、球状有機粉末とアルミナ粉末を上述した配合比で混合し、主として荷電現象を利用して、静電気力により球状有機粉末表面にアルミナ素粉末を付着させる。次いで、球状有機粉末とアルミナ粉末の結合を強固にするために、アルミナ粉末が静電付着した球状有機粉末に高速気流中衝撃により物理的な力を外部より強制的に加える。 The surface of the spherical organic powder is coated with the alumina powder to obtain the composite particles of the present invention. The spherical organic powder and the alumina powder are mixed at the above-mentioned mixing ratio, and mainly charged by utilizing the charging phenomenon and spherical by electrostatic force. Alumina elementary powder is adhered to the surface of the organic powder. Next, in order to strengthen the bond between the spherical organic powder and the alumina powder, a physical force is forcibly applied from the outside to the spherical organic powder to which the alumina powder is electrostatically attached by impact in a high-speed air stream.
このような処理により、微粒子間の摩擦あるいは接触による粉体間の相互作用によって、母粒子を構成する高分子の表面が一部軟化し、同時にここに物理力でアルミナ粉末がめり込みより強固に結合する。更に物理的な力を強制的に加える目的のために、高速ジェット気流粉砕機、ハイブリタイザー、メカノフュージョン等の周知の複合化機器が用いられ、上記機構により球状有機粉末の表面に直接アルミナ粉末が被覆される。 By such treatment, the surface of the polymer constituting the mother particle is partially softened due to the friction between fine particles or the interaction between the powders due to contact, and at the same time, the alumina powder is squeezed into it by physical force and bonded more firmly. To do. Furthermore, for the purpose of forcibly applying physical force, a well-known compounding device such as a high-speed jet stream crusher, a hybridizer, and a mechano-fusion is used. Covered.
上記の如く得られる本発明の複合粒子は、アルミナ粉末の有する伸び、艶、密着性等の優れた物性を有するものであるが、後記試験例に示すように、ぎらつき感が従来のアルミナ粉末よりも低く、化粧料用の粉体として広く利用可能なものである。また、本発明の複合粒子は、カップリング剤等の特殊な薬品を用いないため、経済的にも有利に得られるものである。 The composite particles of the present invention obtained as described above have excellent physical properties such as elongation, gloss and adhesion of alumina powder. However, as shown in the test examples described later, the glare feeling is conventional alumina powder. It can be widely used as a powder for cosmetics. Further, the composite particles of the present invention can be advantageously obtained economically because no special chemicals such as a coupling agent are used.
この複合粒子は、化粧料全般に配合でき、例えば、ファンデーション、白粉、下地化粧料、頬紅、アイシャドウ、口紅、アイライナー、マスカラ、美爪料、乳液、クリーム等の化粧料に配合することができる。配合量は特に限定されないが、好ましくは粉体配合成分の0.1〜50重量%である。 This composite particle can be blended in general cosmetics, for example, it can be blended in cosmetics such as foundation, white powder, base cosmetic, blusher, eye shadow, lipstick, eyeliner, mascara, nail polish, milky lotion, cream and the like. it can. The blending amount is not particularly limited, but is preferably 0.1 to 50% by weight of the powder blending component.
さらに、本発明の複合粒子を配合する化粧料には、化粧品用原料として用いられる水性成分や油性成分、粉体成分、着色剤、その他の添加成分、例えば保湿剤、防腐剤、酸化防止剤、紫外線吸収剤、美容成分、香料、水溶性高分子等を本発明の効果を損なわない範囲で配合することができる。 Furthermore, the cosmetic compounded with the composite particles of the present invention includes an aqueous component and an oil component, a powder component, a colorant, and other additive components used as a cosmetic raw material, such as a moisturizing agent, an antiseptic, an antioxidant, Ultraviolet absorbers, cosmetic ingredients, fragrances, water-soluble polymers and the like can be blended within a range that does not impair the effects of the present invention.
次に本発明について実施例を挙げて更に説明する。なお、これらは本発明を何ら制約するものではない。
(球状有機粉末−アルミナ粉末複合粒子の製造)
実施例1
球状有機粉末であるジメチルメチルシリコーンレジン(東レ・ダウコーティングシリコーン株式会社トレフィルE−506S 平均粒子径12μm)60gと、アルミナ粉末(平均粒子径:2μm、平均厚み0.03μm)40gとをボールミルに投入し、30分間混合して静電気力によりジメチルメチルシリコーンレジン表面にアルミナ粉末を均一に付着させた。
Next, the present invention will be further described with reference to examples. Note that these do not limit the present invention.
(Production of spherical organic powder-alumina powder composite particles)
Example 1
60 g of spherical organic powder dimethylmethylsilicone resin (Toray Dow Coating Silicone Co., Ltd. Trefil E-506S average particle size 12 μm) and 40 g of alumina powder (average particle size: 2 μm, average thickness 0.03 μm) are put into a ball mill. The mixture was mixed for 30 minutes, and the alumina powder was uniformly attached to the surface of the dimethylmethylsilicone resin by electrostatic force.
さらに、ジメチルメチルシリコーンレジン粉末とアルミナ粉末の結合をより強固にするために、この混合粒子を高速ジェット気流粉砕機の粉砕室に投入し、200m/秒の高速ジェット噴流にて粒子同士の摩擦と衝突を起こさせ、アルミナ粉末をジメチルメチルシリコーンレジン粉末の表面にめり込ませた。
参考例1
球状有機粉末ジメチルメチルシリコーンレジン(東レ・ダウコーティングシリコーン株式会社トレフィルE−506S 平均粒子径:2・m)1200gと、アルミナ粉末(平均粒子径:2・m、平均厚み0.03・m)800gとを粉体複合機(ハイブリタイザー:奈良機械製作所製)に投入し、8000rpmで10分間循環させて、ジメチルメチルシリコーンレジンとアルミナの複合粉末を得た。
参考例2
球状シリカ(平均粒子径:2・m)1200gと、アルミナ粉末(平均粒子径:2・m、平均厚み0.03・m)800gとを粉体複合機(ハイブリタイザー:奈良機械製作所製)に投入し、8000rpmで10分間循環させて、球状シリカとアルミナの複合粉末を得た。
試験例1
正反射率の測定:実施例1、参考例1で得た複合粒子について、次のようにしてその正反射率を測定した。この結果を表1に示す。
(試料調製方法)
粉体をポスト・イットフラッグ(住友スリーエム株式会社製)に化粧品用パフで均一に塗布し、測定用サンプルとする。
(測定方法)
偏角分光測色計カラーロボIII(株式会社カラーテクノシステム製)を用いて、投光を
45゜の角度で測定用サンプルに入射し、反射光の強度を測定した。ぎらつき感を下記のような式にて数値化し評価した。この数値が高いとぎらつき感を感じ、数値が低いとぎらつき感を感じにくくなる。
Further, in order to further strengthen the bond between the dimethylmethylsilicone resin powder and the alumina powder, the mixed particles are put into a pulverization chamber of a high-speed jet airflow pulverizer, and the friction between the particles is reduced by a high-speed jet jet of 200 m / second. Collisions were caused and the alumina powder was sunk into the surface of the dimethylmethylsilicone resin powder.
Reference example 1
Spherical organic powder dimethylmethyl silicone resin (Toray Dow Coating Silicone Co., Ltd. Trefil E-506S average particle size: 2 m) 1200 g alumina powder (average particle size: 2 m, average thickness 0.03 m) 800 g Were put into a powder composite machine (Hybridizer: manufactured by Nara Machinery Co., Ltd.) and circulated at 8000 rpm for 10 minutes to obtain a composite powder of dimethylmethylsilicone resin and alumina.
Reference example 2
1200 g of spherical silica (average particle size: 2 · m) and 800 g of alumina powder (average particle size: 2 · m, average thickness 0.03 · m) are used in a powder composite machine (Hybridizer: manufactured by Nara Machinery Co., Ltd.). Then, the mixture was circulated at 8000 rpm for 10 minutes to obtain a composite powder of spherical silica and alumina.
Test example 1
Measurement of regular reflectance: The regular reflectance of the composite particles obtained in Example 1 and Reference Example 1 was measured as follows. The results are shown in Table 1.
(Sample preparation method)
The powder is uniformly applied to a post-it flag (manufactured by Sumitomo 3M Co., Ltd.) with a cosmetic puff to obtain a measurement sample.
(Measuring method)
Using a declination spectrocolorimeter Color Robo III (manufactured by Color Techno System Co., Ltd.), the light was incident on the measurement sample at an angle of 45 °, and the intensity of the reflected light was measured. The feeling of glare was quantified and evaluated by the following formula. When this value is high, a feeling of glare is felt, and when the value is low, it becomes difficult to feel a glare.
ぎらつき感=正反射のピーク反射値/0°の反射値 Glare = Specular reflection peak reflection value / 0 ° reflection value
上記結果から明らかなように、本発明品の複合粒子は反射を全体的に低減することができ、ぎらつき感も1.32、1.30、1.31と参考例であるアルミナ粉末より低くすることができた。 As is clear from the above results, the composite particles of the present invention can reduce the reflection as a whole, and the glare feeling is 1.32, 1.30, 1.31, which is lower than the alumina powder as a reference example. We were able to.
以下、本発明の複合粉体を化粧品製剤に配合した場合の効果を実施例によって更に詳細に説明する。 Hereinafter, the effect when the composite powder of the present invention is blended in a cosmetic preparation will be described in more detail with reference to examples.
有用性の評価は、評価品目ごとに専用パネラー10名で評価した。ただし、パネラーが重複する場合もある。
「塗布感」:塗布時の使用性や感触、伸びの良さ、塗布感の良さ。
「透明感」:自然な仕上がり、適度な艶、メイキャップ効果。
「カバー力」:シミ・しわを補正する効果、ソフトフォーカス効果。
「ムラ付きの無さ」:密着性、化粧のりの良さ。
「化粧持ち」:化粧膜の経時的変化。よれ、くすみ、テカリ(ぎらつき感のなさ)。
「パフへの取れ」:適度にバルクがパフへ取れるか(実施例7は除く)について「良い」から「悪い」を5から1の5段階として評価を行い、全パネラーの平均点を以って評価結果とした。従って、点数が高いほど評価項目に対する有用性が高いことを示す。
(固形ファンデーション)
実施例4
複合粉体(実施例1で得た複合粒子)2.0重量%、セリサイト28.5重量%、マイカ4.75重量%、酸化チタン8.33重量%、ナイロン末8.0重量%、着色顔料適量、アミノプロピルジメチコン3.55重量%、ジメチコン6.0重量%、PEG(ポリエチレングリコール)−9ポリジメチルシロキシエチルジメチコン1.0重量%、タルクにて100.0重量%とする。
比較例1
アルミナ粉末2.0重量%、セリサイト28.5重量%、マイカ4.75重量%、酸化チタン8.33重量%、ナイロン末8.0重量%、着色顔料適量、アミノプロピルジメチコン3.55重量%、ジメチコン6.0重量%、PEG−9ポリジメチルシロキシエチルジメチコン1.0重量%、タルクにて100.0重量%とする。
製法:それぞれの成分を秤量し、高速混合機にて調整したものを圧縮成型して固形ファンデーションとした。
Evaluation of usability was evaluated by 10 dedicated panelists for each evaluation item. However, panelists may overlap.
"Apply feeling": Usability and feel during application, good elongation, good application feeling.
"Transparency": natural finish, moderate gloss, makeup effect.
"Cover power": Effect of correcting spots and wrinkles, soft focus effect.
“No unevenness”: Adhesion and good makeup.
“Make-up”: Change in makeup film over time. Drooling, dullness, shine (no glare).
“Removal to puff”: Evaluate whether “good” or “bad” is from 5 to 1 on the basis of the average score of all panelists regarding whether or not the bulk can be removed to a puff (except for Example 7). Evaluation results. Therefore, the higher the score, the higher the usefulness for the evaluation item.
(Solid foundation)
Example 4
Composite powder (composite particles obtained in Example 1) 2.0 wt%, sericite 28.5 wt%, mica 4.75 wt%, titanium oxide 8.33 wt%, nylon powder 8.0 wt%, An appropriate amount of coloring pigment, 3.55% by weight of aminopropyl dimethicone, 6.0% by weight of dimethicone, 1.0% by weight of PEG (polyethylene glycol) -9 polydimethylsiloxyethyl dimethicone, and 100.0% by weight of talc.
Comparative Example 1
Alumina powder 2.0% by weight, sericite 28.5% by weight, mica 4.75% by weight, titanium oxide 8.3% by weight, nylon powder 8.0% by weight, color pigment appropriate amount, aminopropyl dimethicone 3.55% by weight %, Dimethicone 6.0% by weight, PEG-9 polydimethylsiloxyethyl dimethicone 1.0% by weight, and talc to 100.0% by weight.
Production method: Each component was weighed, and adjusted with a high-speed mixer, and compression molded to obtain a solid foundation.
結果を表2に示す。 The results are shown in Table 2.
(粉白粉)
実施例5
複合粉体(実施例1で得た複合粒子)10.0重量%、セリサイト30.0重量%、酸化チタン5.0重量%、着色顔料適量、スクワラン0.5重量%、パルミチン酸2−エチルヘキシル0.5%、タルクにて100.0重量%とする。
比較例2
アルミナ粉末10.0重量%、セリサイト30.0重量%、酸化チタン5.0重量%、着色顔料適量、スクワラン0.5重量%、パルミチン酸2−エチルヘキシル0.5%、タルクにて100.0重量%とする。
製法:それぞれの成分を秤量し、高速混合機にて調整したものを容器へ充填して粉白粉とした。
(Powder white powder)
Example 5
Composite powder (composite particles obtained in Example 1) 10.0% by weight, sericite 30.0% by weight, titanium oxide 5.0% by weight, color pigment appropriate amount, squalane 0.5% by weight, palmitic acid 2- Ethylhexyl 0.5% and talc to 100.0% by weight.
Comparative Example 2
Alumina powder 10.0% by weight, sericite 30.0% by weight, titanium oxide 5.0% by weight, coloring pigment appropriate amount, squalane 0.5% by weight, 2-ethylhexyl palmitate 0.5%, talc 100. 0% by weight.
Production method: Each component was weighed and adjusted with a high-speed mixer and filled into a container to obtain powdered white powder.
結果を表3に示す。 The results are shown in Table 3.
(油性ファンデーション)
実施例6
複合粉体(実施例1で得た複合粒子)10.0重量%、(油相)パルミチン酸オクチル39.95重量%、キャンデリラロウ3.0重量%、カルナウバロウ2.0重量%、トコフェロール0.05重量%、(粉体部)45.0重量%(粉体部の内訳:酸化チタン45.0重量%、着色顔料適量、マイカにて100.0重量%)とする。
比較例3
アルミナ粉末10.0重量%、(油相)パルミチン酸オクチル39.95重量%、キャンデリラロウ3.0重量%、カルナウバロウ2.0重量%、トコフェロール0.05重量%、(粉体部)45.0重量%(粉体部の内訳:酸化チタン45.0重量%、着色顔料適量、マイカにて100.0重量%)とする。
製法:秤量した油相成分を80℃に加温した後、粉体を加えて十分混合し、容器に充填し冷却後、油性ファンデーションとした。
(Oil foundation)
Example 6
Composite powder (composite particles obtained in Example 1) 10.0% by weight, (oil phase) octyl palmitate 39.95% by weight, candelilla wax 3.0% by weight, carnauba wax 2.0% by weight, tocopherol 0 0.05% by weight, (powder part) 45.0% by weight (breakdown of powder part: titanium oxide 45.0% by weight, color pigment appropriate amount, 100.0% by weight mica).
Comparative Example 3
Alumina powder 10.0 wt%, (oil phase) octyl palmitate 39.95 wt%, candelilla wax 3.0 wt%, carnauba wax 2.0 wt%, tocopherol 0.05 wt%, (powder part) 45 0.0% by weight (breakdown of powder part: titanium oxide 45.0% by weight, color pigment appropriate amount, 100.0% by weight mica).
Production method: The weighed oil phase component was heated to 80 ° C., then the powder was added and mixed well, filled into a container, cooled, and oily foundation was obtained.
結果を表4に示す。 The results are shown in Table 4.
(下地クリーム)
実施例7
複合粉体10.0重量%(実施例1で得た複合粒子)、(油相)トリエチルヘキサノイン5.0重量%、スクワラン3.0重量%、イソステアリン酸5.0重量%、(ジメチコン/(PEG−10/15))クロスポリマー0.75重量%、PEG−9ポリジメチルシロキシエチルジメチコン3.0重量%、シクロペンタシロキサン22.25重量%、(水相)BG(ブチレングリコール)5.0重量%、グリセリン3.0重量%、クエン酸ナトリウム0.6重量%、精製水にて100.0重量%とする。
比較例4
アルミナ粉末10.0重量%、(油相)トリエチルヘキサノイン5.0重量%、スクワラン3.0重量%、イソステアリン酸5.0重量%、(ジメチコン/(PEG−10/15))クロスポリマー0.75重量%、PEG−9ポリジメチルシロキシエチルジメチコン3.0重量%、シクロペンタシロキサン22.25重量%、(水相)BG5.0重量%、グリセリン3.0重量%、クエン酸ナトリウム0.6重量%、精製水にて100.0重量%とする。
製法:秤量した油相成分へ複合粉体を加えて十分に混合する。油相を攪拌しながら水相をゆっくりと添加して乳化し下地クリームとした。
(Base cream)
Example 7
Composite powder 10.0 wt% (composite particles obtained in Example 1), (oil phase) triethylhexanoin 5.0 wt%, squalane 3.0 wt%, isostearic acid 5.0 wt%, (dimethicone / (PEG-10 / 15)) 0.75% by weight of cross polymer, 3.0% by weight of PEG-9 polydimethylsiloxyethyl dimethicone, 22.25% by weight of cyclopentasiloxane, (aqueous phase) BG (butylene glycol) 0 wt%, glycerin 3.0 wt%, sodium citrate 0.6 wt%, and purified water to 100.0 wt%.
Comparative Example 4
10.0% by weight of alumina powder, (oil phase) 5.0% by weight of triethylhexanoin, 3.0% by weight of squalane, 5.0% by weight of isostearic acid, (dimethicone / (PEG-10 / 15)) crosspolymer 0 .75 wt%, PEG-9 polydimethylsiloxyethyl dimethicone 3.0 wt%, cyclopentasiloxane 22.25 wt%, (aqueous phase) BG 5.0 wt%, glycerin 3.0 wt%, sodium citrate 0. 6% by weight and 100.0% by weight with purified water.
Production method: The composite powder is added to the weighed oil phase components and mixed well. While stirring the oil phase, the aqueous phase was slowly added and emulsified to obtain a base cream.
結果を表5に示す。 The results are shown in Table 5.
Claims (3)
球状有機粉末の表面に静電力で板状のアルミナ粉末を付着せしめた後、After attaching the plate-like alumina powder to the surface of the spherical organic powder with electrostatic force,
前記板状のアルミナ粉末が静電付着した球状有機粉末を高速ジェット気流粉砕機の粉砕室に投入し、高速気流中、粒子同士の摩擦と衝突により複合粒子を得た後、After the spherical organic powder with the plate-like alumina powder electrostatically attached thereto was put into a pulverization chamber of a high-speed jet airflow pulverizer, composite particles were obtained by friction and collision between particles in the high-speed airflow.
前記複合粒子を化粧料原料に配合する、複合粒子を含む化粧料の製造方法。The manufacturing method of the cosmetics containing a composite particle which mix | blends the said composite particle with cosmetics raw materials.
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