JP6731924B2 - 化学的異方性粉体を含有する化粧料組成物 - Google Patents
化学的異方性粉体を含有する化粧料組成物 Download PDFInfo
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- JP6731924B2 JP6731924B2 JP2017535082A JP2017535082A JP6731924B2 JP 6731924 B2 JP6731924 B2 JP 6731924B2 JP 2017535082 A JP2017535082 A JP 2017535082A JP 2017535082 A JP2017535082 A JP 2017535082A JP 6731924 B2 JP6731924 B2 JP 6731924B2
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
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- A—HUMAN NECESSITIES
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- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/007—Preparations for dry skin
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/60—Particulates further characterized by their structure or composition
- A61K2800/61—Surface treated
- A61K2800/62—Coated
- A61K2800/624—Coated by macromolecular compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/60—Particulates further characterized by their structure or composition
- A61K2800/65—Characterized by the composition of the particulate/core
- A61K2800/654—The particulate/core comprising macromolecular material
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Description
水相に、モノマーとしてスチレン(Styrene)、イオン性ビニルモノマーとして4‐ビニルベンゼンスルホン酸ナトリウム(Sodium 4‐vinylbenzenesulfonate)、開始剤としてアゾビスイソブチロニトリル(Azobisisobutyronitrile,AIBN)を混合して、75℃で8時間反応させた。反応は、円筒形反応器で撹拌し、円筒形反応器は、直径11cm、高さ17cm、ガラス材質であり、200rpmの速度で回転させた。
前記得られたポリスチレン(Polystyrene,PS)第1ポリマー球状粒子に、モノマーとしてスチレン(Styrene)、TMSPA(3‐(trimethoxysilyl)propylacrylate)、開始剤としてアゾビスイソブチロニトリル(Azobisisobutyronitrile,AIBN)を混合して反応させた。反応は、円筒形反応器で撹拌した。
前記反応の結果、得られたポリスチレン‐コアシェル(PS‐CS)水分散溶液に、モノマーとしてスチレン(Styrene)、陰イオン性ビニルモノマーとして4‐ビニルベンゼンスルホン酸ナトリウム(Sodium 4‐vinylbenzenesulfonate)、開始剤としてアゾビスイソブチロニトリル(Azobisisobutyronitrile,AIBN)を混合し、75℃に加熱して反応を進めた。反応は、円筒形反応器で撹拌した。
下記の表1のような配合比でエマルジョン化粧料組成物を製造するが、油相部を加温して溶解し、異方性粉体が含まれた水相部を加温して油相部と同一の温度に合わせた後、水相部に油相部を徐々に投入し、低速で乳化した。その後、増粘剤を投入して分散させ、高含量オイル含有低粘度水中油型エマルジョン化粧料組成物を製造した。
前記製造例1において製造した化粧料組成物と、一般スキン剤形、一般ローション剤形それぞれ0.2mlを馬糞紙の上に落とした後、約60度の角度に傾けた。その結果、図2から見られるように、一般スキン剤形と同様に流動性が大きいものと示され、優れた塗布性および使用感を有することが分かった。
前記製造例1において製造した化粧料組成物を、(a)常温、(b)45度、(c)60度、(d)冷蔵恒温槽で保管した後、乳化破壊の有無を10週間観察した結果、図4から見られるように、乳化破壊現象なく安定して剤形を保持することが分かった。
前記製造例1において製造した化粧料組成物を利用して、30〜40代の女性パネル40名を対象に、使用感(10点尺度、1点:非常に低い〜10点:非常に高い)に対するアンケート調査を行った。製品は、製造例1において製造した化粧料組成物と、一般スキン、一般ローションおよび一般クリーム剤形を使用させて比較した。
前記製造例1において製造した化粧料組成物、一般スキン、一般ローション、一般クリームを、社内研究員15人を対象に皮膚に使用させ、保湿力、皮膚ツヤについて測定した。保湿力は、製品の使用前、使用4時間後および使用7時間後に、恒温、恒湿条件(24℃、相対湿度40%)で水分量を測定して評価し、ツヤは、同一条件における製品の使用前と使用直後のツヤを測定した。洗浄後、恒温恒湿条件で15分待機した後、前膊部位を測定した。水分量は、皮膚水分量測定器(Corneometer CM825,C+K Electronic Co.,ドイツ)で、皮膚静電負荷容量(capacitance)測定を通じて皮膚の水分量を評価して図5に示し、ツヤは、Glossmeter(R)で機器から特定波長の光が出され、正反射される光を感知、測定してツヤを評価し、結果を図6に示した。
Claims (10)
- 分散性が向上した化学的異方性粉体とオイルとを含む化粧料組成物であって、
前記化学的異方性粉体は、
第1ポリマースフェロイドおよび第2ポリマースフェロイドを含み、
前記第1ポリマースフェロイドおよび前記第2ポリマースフェロイドは、少なくとも部分的に相手のポリマースフェロイドを浸透する構造で結合し、
前記第1ポリマースフェロイドは、コア‐シェル構造を有し、前記シェルは、官能基を含み、
前記第2ポリマースフェロイドは、負電荷を帯びており、
前記オイルは、
ヘキシルラウレート、ジカプリリルカーボネート、ジイソステアリルマレート、ブチレングリコールジカプリレート/ジカプレート、セチルエチルヘキサノエート、トリエチルヘキサノイン、ジセテアリルダイマージリノレエート、カプリリック/カプリックトリグリセリド、ポリグリセリル‐2トリイソステアレートおよびペンタエリスリチルテトライソステアレートからなる群より選択されたエステル系オイル;ポリブテン、ハイドロジェネイテッドポリイソブテンおよび植物性スクアランからなる群より選択された炭化水素系オイル;フェニルトリメチコンおよびジメチコンからなる群より選択されたシリコン系オイル:のうち1種以上を含み、
前記化粧料組成物は、
前記化粧料組成物全体の重量を基準として15〜30質量%の前記オイル含量を有し、
300CPS以下の低粘度乳化剤形を有する、
化粧料組成物。 - 前記第2ポリマースフェロイドと前記第1ポリマースフェロイドのコアは、イオン性ビニルポリマーを含むことを特徴とする、請求項1に記載の化粧料組成物。
- 前記イオン性ビニルポリマーは、4‐ビニルベンゼンスルホン酸ナトリウムポリマーであることを特徴とする、請求項2に記載の化粧料組成物。
- 前記第1ポリマースフェロイドのコアと第2ポリマースフェロイドは、ビニルポリマーを含み、
前記第1ポリマースフェロイドのシェルは、ビニルモノマーと官能基の共重合体を含むことを特徴とする、請求項1〜3のいずれか一項に記載の化粧料組成物。 - 前記ビニルポリマーは、ポリスチレンを含むことを特徴とする、請求項4に記載の化粧料組成物。
- 前記官能基は、シロキサンであることを特徴とする、請求項1〜5のいずれか一項に記載の化粧料組成物。
- 前記化学的異方性粉体は、第1ポリマースフェロイドおよび第2ポリマースフェロイドが結合された結合部を基準として、対称形状、非対称スノーマン(snowman)形状または非対称逆スノーマン形状を有することを特徴とする、請求項1〜6のいずれか一項に記載の化粧料組成物。
- 前記化学的異方性粉体は、粒子サイズが100〜1500nmであることを特徴とする、請求項1〜7のいずれか一項に記載の化粧料組成物。
- 前記化学的異方性粉体は、5〜200μmの巨大乳化粒子を形成することを特徴とする、請求項1〜8のいずれか一項に記載の化粧料組成物。
- 前記化学的異方性粉体は、化粧料組成物全体の重量を基準として0.1〜15質量%含有されることを特徴とする、請求項1〜9のいずれか一項に記載の化粧料組成物。
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KR10-2015-0187727 | 2015-12-28 | ||
KR1020150187727A KR101924410B1 (ko) | 2014-12-31 | 2015-12-28 | 화학적 이방성 분체 및 이를 함유하는 화장료 조성물 |
PCT/KR2015/014410 WO2016108579A1 (ko) | 2014-12-31 | 2015-12-29 | 화학적 이방성 분체 및 이를 함유하는 화장료 조성물 |
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IL271766B (en) | 2019-12-30 | 2021-04-29 | Fischer Pharma Ltd | Molded material for topical administration and its uses |
WO2023159295A1 (en) * | 2022-02-22 | 2023-08-31 | Deciem Beauty Group Inc. | Stable, low viscosity oil-in-water emulsions for skin conditioning |
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EP3241543A4 (en) | 2018-06-27 |
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EP3241543A1 (en) | 2017-11-08 |
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