JP2004149463A - Cosmetic and use thereof - Google Patents
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Abstract
Description
【０００１】
【発明の属する技術分野】
本発明は、皮膚にハリ・弾力を与え、小じわ等を改善する化粧料に関する。
【０００２】
【従来の技術】
従来、保水効果を有し、皮膚にハリや弾力を与えるパック化粧料には、皮膜形成剤が使用されている。さらに、ハリや緊張感を高めるため、粉体を併用し、その乾燥過程に発現する皮膜形成剤の収縮応力を増強、強化させることが検討されている。例えば、特許文献１には、平均粒径１５〜４０μｍのシリカを１〜５重量％含有するピールオフタイプのパック化粧料が提案されている。しかしながら、単にシリカを配合するだけでは、皮膜弾性のみを高めてしまうため、皮膜が硬く、また脆くなってしまう。
【０００３】
また、特許文献２には、一般的な皮膜形成剤のひとつであるアクリル酸・アルキルメタクリレート共重合体、微粒子シリカ及び皮膜形成剤を組み合わせたピールオフタイプの化粧料も提案されている。
しかし、これら皮膚上に塗布した剤を乾燥させて剥離して使用する、いわゆるピールオフタイプの化粧料は、皮膚上に厚く塗る必要があり、その結果、乾燥している間の厚い皮膜による違和感が強く、また、長時間使用できないこと、皮膜の剥離時に痛みを感じるといった問題があった。
【０００４】
一方、特許文献３には、皮膜形成物質とシリカを併用することにより、長時間皮膜の収縮応力を維持し、小じわを伸ばす化粧用液状組成物が提案されている。しかし、シリコーン系樹脂エマルジョンやアクリル系樹脂エマルジョン等の疎水性高分子を皮膜形成主剤として使用した場合、強い物理的な刺激によって除去することは可能であるが、洗顔によって簡単に除去することが困難である。従って、除去の際に皮膚にダメージを与える可能性があった。
【０００５】
【特許文献１】
特開平１０−２６５３３５号公報
【特許文献２】
特開平９−１５１１２５号公報
【特許文献３】
特開平５−９３３号公報
【０００６】
【発明が解決しようとする課題】
本発明の目的は、乾くと適度なハリ、緊張感を与え、かつ皮膚が動いても剥離せず密着性の高い皮膜を形成し、皮膚にハリ・弾力を与え、小じわ等を改善する効果に優れた化粧料を提供することにある。
【０００７】
【課題を解決するための手段】
本発明者らは、特定の水溶性高分子及び疎水性高分子と、微粒子球状シリカ、多価アルコールを特定の割合で用いれば、上記課題を解決した化粧料が得られることを見出した。
【０００８】
すなわち、本発明は、次の成分（Ａ）〜（Ｅ）：
（Ａ）皮膜形成能を有する水溶性高分子、
（Ｂ）疎水性皮膜形成性高分子の水分散液又は水相溶性有機溶媒溶液、
（Ｃ）微粒子球状シリカ、
（Ｄ）多価アルコール、
（Ｅ）水
を含有し、成分（Ａ）と（Ｂ）の固形分の重量比率（（Ａ）／（Ｂ））が１〜９であり、かつ成分（Ａ）と（Ｄ）の重量比率（（Ａ）／（Ｄ））が０．４以上である化粧料を提供するものである。
また、本発明は、当該化粧料を、皮膚に薄くのばし、皮膚上に皮膜を形成させた後、水又はぬるま湯により除去する化粧料の使用方法を提供するものである。
【０００９】
【発明の実施の形態】
本発明で用いる成分（Ａ）の水溶性高分子は、皮膜形成能を有するものであれば特に制限されず、例えば酸性へテロ多糖類、ムコ多糖類、セルロース誘導体等の多糖類、ポリペプタイド、ポリビニルアルコール等のヒドロキシ基を有するポリマー、カチオン基を有するポリマー、アニオン基を有するポリマーなどが含まれる。
【００１０】
より具体的には、ポリアンテス属（Ｐｏｌｉａｎｔｈｅｓ Ｌ．）に属する植物のカルス由来の酸性ヘテロ多糖類、ヒアルロン酸、アラビアガム、グアーガム、キサンタンガム、ペクチン、ローカストビーンガム、マルトトリオース、カラギーナン、ポリビニルピロリドン、ポリビニルアルコール、プルラン、ヒドロキシエチルセルロース、カルボキシビニルポリマー、メチルセルロース、カルボキシメチルセルロース、ヒドロキシプロピルセルロース、カチオン化セルロース、ポリエチレングリコール、コラーゲン及びその誘導体、キチン誘導体、キトサン誘導体、ポリ塩化メタクリロイルオキシエチルトリメチルアンモニウム（例えば、フレグランス ジャーナル、第２１巻、第１２号、ｐ１３〜７３頁（１９９３年）等）などが挙げられる。
【００１１】
これらのうち、特にカラギーナン、ポリビニルピロリドン、ポリビニルアルコール、キサンタンガム、プルラン、ヒドロキシエチルセルロースが好ましい。
市販品としては、カラギーナンでは、ソアギーナＭＶ１０１（三菱レイヨン社）；ポリビニルピロリドンでは、ルビスコールＫ９０（ビーエーエスエフジャパン社）；ポリビニルアルコールでは、ゴーセノールＥＧ３０（日本合成化学社）；キサンタンガムでは、エコーガムＴ（大日本製薬社）；プルランでは、プルランＰＩ−２０（林原社）；ヒドロキシエチルセルロースでは、ＨＥＣダイセルＳＥ−８５０Ｋ（ダイセル化学工業社）等が挙げられる。
【００１２】
成分（Ａ）の水溶性高分子は、１種以上を用いることができ、全組成中に固形分として、０．１〜１０重量％、特に０．９〜９重量％含有されるのが、適度なハリ、緊張感を与え、使用時の違和感が少なく、また、化粧料を好適に除去できる点から好ましい。
【００１３】
本発明で用いる成分（Ｂ）は、疎水性皮膜形成性高分子（以下、「疎水性高分子」という）の水分散液又は水相溶性有機溶媒溶液である。
ここで、「水分散液」とは、水相中に疎水性高分子が微粒子状（コロイド状）に分散している乳濁液（エマルジョン）をいう。また、「水相溶性有機溶媒」とは、水と相溶性のある有機溶媒をいい、エタノール等の炭素数１〜４の低級アルコールが含まれ、その溶液とは、疎水性高分子が前記溶媒に溶解可能で、均一な混合状態の溶液をいう。
【００１４】
疎水性高分子の水分散液としては、例えばアクリル酸アルキル共重合体エマルジョン、アクリル酸アルキル・スチレン共重合体エマルジョン等が挙げられ、水相溶性有機溶媒溶液としては、Ｎ−メタクリロイルＮ，Ｎ−ジメチルアンモニウム−α−Ｎ−メチルカルボキシベタイン・メタクリル酸アルキルエステル共重合体液（エタノール溶液）、アクリル酸アルキル・ジアセトンアクリルアミド共重合体ＡＭＰ液（エタノール溶液）等が挙げられる。
これらのうち、特にアクリル酸アルキル共重合体（アルキル基が異なる２種以上のアクリル酸アルキルのランダム共重合体）エマルジョンが好ましい。
【００１５】
成分（Ｂ）は、１種以上を用いることができ、全組成中に疎水性高分子の固形分として、０．１〜１０重量％、特に０．１〜５重量％含有されるのが、皮膚への密着性、洗い流し性が良好であるので好ましい。
【００１６】
本発明において、成分（Ａ）と（Ｂ）の固形分の重量比率（（Ａ）／（Ｂ））は１〜９、好ましくは１〜５である。この比率が１未満では、成分（Ａ）と（Ｂ）の固形分としての皮膜形成成分中の成分（Ｂ）が多くなるため、皮膚への密着性が強くなり、皮膜を形成後に水又はぬるま湯により化粧料が除去しにくくなる。一方、９を超えると、反対に皮膜と皮膚との密着性が低下し、皮膜が剥がれやすくなる。
また、成分（Ａ）及び（Ｂ）の固形分の含有量の合計は、１〜１０重量％、特に４〜１０重量％であるのが、皮膚に塗布したときに適度な膜厚の皮膜が形成し、違和感なく長時間使用することができ、十分なハリ、緊張感が得られるので好ましい。
【００１７】
本発明で用いる成分（Ｃ）の微粒子球状シリカとしては、一次粒子径（平均粒径）が１〜１００ｎｍの球状無水ケイ酸が好ましい。例えば、アエロジル５０（平均粒径約３０ｎｍ）、アエロジル９０Ｇ（同２０ｎｍ）、アエロジル１３０（同１６ｎｍ）、アエロジル２００（同１２ｎｍ）、アエロジル２００Ｖ（同１２ｎｍ）、アエロジル２００ＣＦ（同１２ｎｍ）、アエロジル２００ＦＡＤ（同１２ｎｍ）、アエロジル３００（同７ｎｍ）、アエロジル３００ＣＦ（同７ｎｍ）、アエロジル３８０（同７ｎｍ）（以上、日本アエロジル社）、アエロジルＯＸ５０（同４０ｎｍ）、アエロジルＴＴ６００（同４０ｎｍ）（以上、デグサ社）、Ｓｙｌｏｉｄ２４４（同１０ｎｍ）（Ｇｒａｃｅ Ｊａｐａｎ）等の市販品を使用することができる。
【００１８】
微粒子球状シリカは、全組成中に０．１〜５重量％、特に１〜５重量％含有させるのが、成分（Ａ）と（Ｂ）により形成される皮膜中に適度に分散し、皮膚上に形成される皮膜が脆くならず、十分なハリ、緊張感が得られるので好ましい。
【００１９】
本発明で用いる成分（Ｄ）の多価アルコールとしては、例えばグリセリン、プロピレングリコール、１，３−ブチレングリコール、ジプロピレングリコール、ポリエチレングリコール、ポリオキシエチレンメチルグリコシド、ソルビトール、マルチトール等が挙げられる。
【００２０】
多価アルコールは、１種以上を用いることができ、全組成中に０．１〜３０重量％、特に１〜２０重量％含有させるのが、適度なハリ、緊張感を与えるので好ましい。
また、成分（Ａ）と（Ｄ）の重量比率（（Ａ）／（Ｄ））は０．４以上、好ましくは０．４〜１０である。０．４未満では、水溶性の皮膜形成成分（Ａ）が少なくなり、従って、成分（Ａ）及び（Ｂ）によって形成される皮膜が極度に可塑化されて柔らかくなり、ハリ・緊張感を得ることができない。
【００２１】
また、成分（Ｅ）の水は、全組成中に５０〜９９重量％、特に６０〜９０重量％含有させるのが好ましい。
【００２２】
本発明の化粧料には、前記成分のほか、通常の化粧料に用いられる成分、例えば炭化水素類、エステル類、高級脂肪酸、高級アルコール、天然抽出のスフィンゴシン誘導体、合成セラミド類似体（特開昭６２−２２８０４８号公報、特開平８−３１９２６３号公報）等の油剤；増粘剤、界面活性剤、粉体、粘土鉱物、無機塩、植物抽出エキス、ｐＨ調整剤、キレート剤、抗酸化剤、防腐剤、色素、紫外線吸収剤、香料などを、適宜含有させることができる。
【００２３】
本発明の化粧料は、前記成分を用い、通常の方法に従って製造することができる。
また、本発明の化粧料は、水が連続相となるジェル状組成物の形態であるのが好ましく、特に、パック化粧料として用いられるのが好ましい。
【００２４】
本発明の化粧料は、例えば、皮膚に薄くのばし、皮膚上に皮膜を形成させた後、水又はぬるま湯により除去することにより、使用することができる。皮膚に塗布し、皮膜が形成した後に一定時間皮膚上に塗布した状態でおくことにより、有効成分を十分に浸透させることができる。また、十分に皮膜を形成させた後に、水、ぬるま湯をそのまま、又はそれらを布、紙等に含浸させたものにより、更に洗顔料等を併用することにより、容易に除去することができる。
本発明の化粧料の使用方法の一例として、就寝前に皮膚上に薄くのばし、翌朝（約６〜８時間後）、水、ぬるま湯又は洗顔料を用いて除去する方法がある。就寝前に塗布することにより、就寝中に有効成分を十分に浸透させることができる。
【００２５】
【実施例】
実施例１〜１０、比較例１〜６
表１及び表２に示す組成の化粧料を製造し、ハリ・緊張感、皮膜の剥がれ及び洗い流し性を評価した。結果を表１及び表２に併せて示す。
【００２６】
（製法）
精製水に微粒子球状シリカを室温で分散させた後、各種水溶性高分子、多価アルコール及びパラオキシ安息香酸メチルを添加し、８０℃で完全に溶解させる。この溶液を室温まで冷却した後、疎水性高分子の水分散液又は水相溶性有機溶媒溶液を加え、攪拌混合して、ジェル状パック化粧料を得た。
【００２７】
（評価方法）
（１）ハリ・緊張感：
パネラー５名により、各化粧料０．１ｇを目元（塗布面積１８ｃｍ２）に塗布し、１０分後のハリ・緊張感を以下の基準で評価し、その平均値を求めた。
５；ハリ・緊張感を感じる。
３；ハリ・緊張感をやや感じる。
１；ハリ・緊張感を感じない。
【００２８】
（２）皮膜の剥がれ：
図１に示すように、肌色合成皮革（オカモト社、ＯＫ−２００２（ベージュ）、ポリウレタン製、１５ｃｍ×４ｃｍ、厚さ約０．５３ｍｍ）に各化粧料を一定量塗布し（０．１ｍＬ／９ｃｍ×２ｃｍ）、２０℃、湿度４０％の恒温室に一晩放置した。乾燥後、肌色合成皮革の一方を固定し、他方に１．５ｋｇｆの加重負荷を１０秒間加え続けた後の皮膜の状態を、目視により以下の基準で評価した。この試験を各３回行い、平均値を求めた。
５；剥がれない。
３；皮膜の一部が少し剥がれた。
１；皮膜の多くの部分が剥がれた。
【００２９】
（３）洗い流し性：
パネラー５名により、各化粧料０．１ｇを目元（塗布面積１８ｃｍ２）に塗布し、乾燥させた後、水で洗い流した。このときの洗い流し性を、以下の基準で評価し、その平均値を求めた。
５；洗い流し性が良い。
３；洗い流し性がやや良い。
１；洗い流し性が悪い。
【００３０】
【表１】
【表２】
表１及び表２の結果より、本発明の化粧料はいずれも、比較品に比べ、皮膚に優れたハリ・緊張感を与え、皮膜が剥がれにくく、しかも洗い流し性が良好なものであった。
【００３３】
【発明の効果】
本発明の化粧料は、乾くと適度なハリ、緊張感を与え、かつ皮膚が動いても剥離せず密着性の高い皮膜を形成し、皮膚にハリ・弾力を与え、小じわ等を改善する効果に優れたものである。
【図面の簡単な説明】
【図１】実施例において用いた、皮膜のはがれの評価方法を示す図である。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cosmetic that gives firmness and elasticity to the skin and improves fine lines and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a film forming agent has been used for a pack cosmetic having a water retention effect and giving the skin firmness and elasticity. Further, in order to enhance firmness and tension, it has been studied to use a powder in combination to enhance and strengthen the shrinkage stress of the film-forming agent that appears during the drying process. For example, Patent Literature 1 proposes a peel-off type pack cosmetic containing 1 to 5% by weight of silica having an average particle size of 15 to 40 μm. However, simply blending silica increases only the film elasticity, so that the film becomes hard and brittle.
[0003]
Further, Patent Document 2 proposes a peel-off type cosmetic in which an acrylic acid / alkyl methacrylate copolymer, which is one of general film-forming agents, fine particle silica and a film-forming agent are combined.
However, the so-called peel-off type cosmetics, which are used by drying and peeling off the agent applied on the skin, need to be applied thickly on the skin, and as a result, discomfort due to the thick film during the drying is required. There were problems that it was strong, that it could not be used for a long time, and that it was painful when the film was peeled off.
[0004]
On the other hand, Patent Literature 3 proposes a cosmetic liquid composition that uses a film-forming substance and silica in combination to maintain the contraction stress of the film for a long time and extend fine wrinkles. However, when a hydrophobic polymer such as a silicone-based resin emulsion or an acrylic-based resin emulsion is used as a film-forming main agent, it can be removed by strong physical stimulation, but is difficult to remove easily by face washing. It is. Therefore, there is a possibility that the skin may be damaged during the removal.
[0005]
[Patent Document 1]
JP-A-10-265335 [Patent Document 2]
JP-A-9-151125 [Patent Document 3]
JP-A-5-933
[Problems to be solved by the invention]
The object of the present invention is to provide an appropriate firmness and tension when dried, and to form a highly adhesive film without peeling even when the skin moves, giving the skin firmness and elasticity, and improving the effect of improving fine wrinkles and the like. It is to provide an excellent cosmetic.
[0007]
[Means for Solving the Problems]
The present inventors have found that a cosmetic that solves the above problem can be obtained by using a specific water-soluble polymer and a hydrophobic polymer, fine-particle spherical silica, and a polyhydric alcohol in a specific ratio.
[0008]
That is, the present invention provides the following components (A) to (E):
(A) a water-soluble polymer having a film-forming ability,
(B) an aqueous dispersion or a water-compatible organic solvent solution of a hydrophobic film-forming polymer,
(C) fine-particle spherical silica,
(D) polyhydric alcohol,
(E) contains water, the weight ratio of the solid content of components (A) and (B) ((A) / (B)) is 1 to 9, and the weight ratio of components (A) and (D) It is intended to provide a cosmetic wherein ((A) / (D)) is 0.4 or more.
The present invention also provides a method of using the cosmetic, in which the cosmetic is thinly spread on the skin, a film is formed on the skin, and then removed with water or lukewarm water.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The water-soluble polymer of the component (A) used in the present invention is not particularly limited as long as it has a film-forming ability. Examples thereof include acidic heteropolysaccharides, mucopolysaccharides, polysaccharides such as cellulose derivatives, polypeptides, Examples thereof include polymers having a hydroxy group such as polyvinyl alcohol, polymers having a cation group, and polymers having an anion group.
[0010]
More specifically, acidic heteropolysaccharides derived from calli of plants belonging to the genus Polyanthes L., hyaluronic acid, gum arabic, guar gum, xanthan gum, pectin, locust bean gum, maltotriose, carrageenan, polyvinylpyrrolidone, Polyvinyl alcohol, pullulan, hydroxyethylcellulose, carboxyvinyl polymer, methylcellulose, carboxymethylcellulose, hydroxypropylcellulose, cationized cellulose, polyethylene glycol, collagen and derivatives thereof, chitin derivatives, chitosan derivatives, polymethacryloyloxyethyltrimethylammonium chloride (for example, fragrance) Journal, Vol. 21, No. 12, p. 13-73 (1993), etc.) .
[0011]
Among these, carrageenan, polyvinylpyrrolidone, polyvinyl alcohol, xanthan gum, pullulan, and hydroxyethyl cellulose are particularly preferred.
Commercially available products include carrageenan, Soagina MV101 (Mitsubishi Rayon Co., Ltd.); polyvinylpyrrolidone, Rubiscol K90 (BSF Japan); polyvinyl alcohol, Gohsenol EG30 (Nippon Synthetic Chemical Company); Nippon Pharmaceutical Co .; pullulan PI-20 (Hayashibara); hydroxyethyl cellulose HEC Daicel SE-850K (Daicel Chemical Industries).
[0012]
One or more water-soluble polymers of component (A) can be used, and the solid content in the total composition is 0.1 to 10% by weight, particularly 0.9 to 9% by weight. It is preferable because it gives an appropriate firmness and tension, has less discomfort at the time of use, and can suitably remove cosmetics.
[0013]
The component (B) used in the present invention is an aqueous dispersion or a water-compatible organic solvent solution of a hydrophobic film-forming polymer (hereinafter, referred to as “hydrophobic polymer”).
Here, the “water dispersion” refers to an emulsion (emulsion) in which a hydrophobic polymer is dispersed in the form of fine particles (colloidal) in an aqueous phase. Further, the “water-compatible organic solvent” refers to an organic solvent compatible with water, and includes a lower alcohol having 1 to 4 carbon atoms such as ethanol. And a solution in a homogeneous mixed state.
[0014]
Examples of the aqueous dispersion of the hydrophobic polymer include an alkyl acrylate copolymer emulsion and an alkyl acrylate / styrene copolymer emulsion. The aqueous compatible organic solvent solution includes N-methacryloyl N, N- Examples thereof include a dimethylammonium-α-N-methylcarboxybetaine / methacrylic acid alkyl ester copolymer solution (ethanol solution) and an alkyl acrylate / diacetone acrylamide copolymer AMP solution (ethanol solution).
Among these, an alkyl acrylate copolymer (a random copolymer of two or more alkyl acrylates having different alkyl groups) emulsion is particularly preferred.
[0015]
As the component (B), one or more kinds can be used. The solid content of the hydrophobic polymer in the entire composition is 0.1 to 10% by weight, particularly 0.1 to 5% by weight. It is preferable because of good adhesion to the skin and good rinsing properties.
[0016]
In the present invention, the weight ratio of the solid content of the components (A) and (B) ((A) / (B)) is 1 to 9, preferably 1 to 5. When this ratio is less than 1, the component (B) in the film-forming component as a solid content of the components (A) and (B) increases, so that the adhesion to the skin becomes strong, and water or lukewarm water is formed after the film is formed. This makes it difficult to remove cosmetics. On the other hand, when it exceeds 9, the adhesiveness between the film and the skin decreases, and the film is easily peeled.
The total content of the solid components (A) and (B) is 1 to 10% by weight, particularly 4 to 10% by weight. It is preferable because it can be formed and used for a long time without a sense of incongruity, and sufficient firmness and tension can be obtained.
[0017]
As the fine particle spherical silica of the component (C) used in the present invention, spherical silica anhydride having a primary particle diameter (average particle diameter) of 1 to 100 nm is preferable. For example, Aerosil 50 (average particle size: about 30 nm), Aerosil 90G (20 nm), Aerosil 130 (16 nm), Aerosil 200 (12 nm), Aerosil 200V (12 nm), Aerosil 200CF (12 nm), Aerosil 200FAD ( Aerosil 300 (7 nm), Aerosil 300CF (7 nm), Aerosil 380 (7 nm) (Nippon Aerosil), Aerosil OX50 (40 nm), Aerosil TT600 (40 nm) (Degussa) ), Syloid 244 (10 nm) (Grace Japan) and the like.
[0018]
The fine particle spherical silica is contained in an amount of 0.1 to 5% by weight, particularly 1 to 5% by weight in the total composition, but is appropriately dispersed in the film formed by the components (A) and (B), This is preferable because the film formed on the substrate does not become brittle and a sufficient firmness and tension can be obtained.
[0019]
Examples of the polyhydric alcohol of the component (D) used in the present invention include glycerin, propylene glycol, 1,3-butylene glycol, dipropylene glycol, polyethylene glycol, polyoxyethylene methyl glycoside, sorbitol, maltitol and the like.
[0020]
One or more polyhydric alcohols can be used, and it is preferable that the polyhydric alcohol be contained in an amount of 0.1 to 30% by weight, particularly 1 to 20% by weight in the whole composition, since it gives a moderate tension and a sense of tension.
The weight ratio of the components (A) and (D) ((A) / (D)) is 0.4 or more, preferably 0.4 to 10. If it is less than 0.4, the amount of the water-soluble film-forming component (A) is small, and therefore, the film formed by the components (A) and (B) is extremely plasticized and softened to obtain a firmness and tension. I can't.
[0021]
Further, the water of the component (E) is preferably contained at 50 to 99% by weight, particularly 60 to 90% by weight in the whole composition.
[0022]
The cosmetics of the present invention include, in addition to the above components, components used in ordinary cosmetics, such as hydrocarbons, esters, higher fatty acids, higher alcohols, sphingosine derivatives of natural extraction, and synthetic ceramide analogs (JP-A- Oils, such as thickeners, surfactants, powders, clay minerals, inorganic salts, plant extract, pH adjusters, chelating agents, antioxidants, and the like. Preservatives, dyes, ultraviolet absorbers, fragrances and the like can be included as appropriate.
[0023]
The cosmetic of the present invention can be produced according to a usual method using the above components.
The cosmetic of the present invention is preferably in the form of a gel composition in which water is a continuous phase, and is particularly preferably used as a pack cosmetic.
[0024]
The cosmetic of the present invention can be used, for example, by thinly spreading it on the skin, forming a film on the skin, and removing it with water or lukewarm water. The active ingredient can be sufficiently penetrated by applying it to the skin and keeping it applied to the skin for a certain period of time after the film is formed. Further, after a film is sufficiently formed, water or lukewarm water can be easily removed as it is or by impregnating it with cloth, paper or the like, and further using a face wash or the like in combination.
As an example of the method of using the cosmetic of the present invention, there is a method in which the cosmetic is thinly spread on the skin before going to bed and then removed the next morning (after about 6 to 8 hours) using water, lukewarm water or a face wash. By applying before bedtime, the active ingredient can be sufficiently penetrated during bedtime.
[0025]
【Example】
Examples 1 to 10, Comparative Examples 1 to 6
Cosmetics having the compositions shown in Tables 1 and 2 were produced and evaluated for firmness and tension, peeling of the film, and washability. The results are shown in Tables 1 and 2.
[0026]
(Production method)
After the fine particle spherical silica is dispersed in purified water at room temperature, various water-soluble polymers, polyhydric alcohols and methyl parahydroxybenzoate are added and completely dissolved at 80 ° C. After the solution was cooled to room temperature, an aqueous dispersion of a hydrophobic polymer or a water-compatible organic solvent solution was added thereto, followed by stirring and mixing to obtain a gel-like pack cosmetic.
[0027]
(Evaluation method)
(1) Tension and tension:
Five panelists applied 0.1 g of each cosmetic to the eyes (application area: 18 cm 2 ), and evaluated the firmness and tension after 10 minutes according to the following criteria, and determined the average value.
5; Feeling of tension and tension is felt.
3: There is a feeling of tension and tension.
1: There is no feeling of tension or tension.
[0028]
(2) Peeling of film:
As shown in FIG. 1, a fixed amount of each cosmetic was applied to a skin color synthetic leather (Okamoto Corporation, OK-2002 (beige), made of polyurethane, 15 cm × 4 cm, thickness of about 0.53 mm) (0.1 mL / 9 cm). × 2 cm), left in a constant temperature room at 20 ° C. and a humidity of 40% overnight. After drying, one of the flesh-colored synthetic leathers was fixed, and the weight of 1.5 kgf was continuously applied to the other for 10 seconds, and the state of the film was visually evaluated according to the following criteria. This test was performed three times, and the average value was determined.
5; does not peel off.
3: A part of the film was slightly peeled.
1: Many parts of the coating were peeled off.
[0029]
(3) Washability:
0.1 g of each cosmetic was applied to the eyes (application area 18 cm 2 ) by five panelists, dried, and then rinsed with water. The washability at this time was evaluated according to the following criteria, and the average value was determined.
5: Good washability.
3: The washability is slightly good.
1; poor washability.
[0030]
[Table 1]
[Table 2]
From the results shown in Tables 1 and 2, all of the cosmetics of the present invention gave superior firmness and tension to the skin, hardly peeled off the film, and had good washability as compared with the comparative product.
[0033]
【The invention's effect】
The cosmetics of the present invention provide moderate firmness and tension when dried, and form a highly adherent film without peeling even when the skin moves, giving the skin firmness and elasticity and improving fine wrinkles and the like. It is excellent.
[Brief description of the drawings]
FIG. 1 is a view showing a method for evaluating peeling of a film used in Examples.
Claims (5)
（Ａ）皮膜形成能を有する水溶性高分子、
（Ｂ）疎水性皮膜形成性高分子の水分散液又は水相溶性有機溶媒溶液、
（Ｃ）微粒子球状シリカ、
（Ｄ）多価アルコール、
（Ｅ）水
を含有し、成分（Ａ）と（Ｂ）の固形分の重量比率（（Ａ）／（Ｂ））が１〜９であり、かつ成分（Ａ）と（Ｄ）の重量比率（（Ａ）／（Ｄ））が０．４以上である化粧料。The following components (A) to (E):
(A) a water-soluble polymer having a film-forming ability,
(B) an aqueous dispersion or a water-compatible organic solvent solution of a hydrophobic film-forming polymer,
(C) fine-particle spherical silica,
(D) polyhydric alcohol,
(E) contains water, the weight ratio of the solid content of components (A) and (B) ((A) / (B)) is 1 to 9, and the weight ratio of components (A) and (D) A cosmetic having ((A) / (D)) of 0.4 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2002317358A JP3905457B2 (en) | 2002-10-31 | 2002-10-31 | Cosmetics and methods of use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002317358A JP3905457B2 (en) | 2002-10-31 | 2002-10-31 | Cosmetics and methods of use |
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| JP2004149463A true JP2004149463A (en) | 2004-05-27 |
| JP3905457B2 JP3905457B2 (en) | 2007-04-18 |
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| JP2002317358A Expired - Fee Related JP3905457B2 (en) | 2002-10-31 | 2002-10-31 | Cosmetics and methods of use |
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Cited By (6)
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| JP2010043072A (en) * | 2008-07-18 | 2010-02-25 | Ken Products Kk | Cosmetic composition for spray, and makeup method for amending facial expression to youthful physical figure |
| JP2014528443A (en) * | 2011-10-04 | 2014-10-27 | ジェニック カンパニー リミテッドＧｅｎｉｃ Ｃｏ．，Ｌｔｄ． | Hydrogel composition for mask substrate and method for producing hydrogel using the same |
| JPWO2015174130A1 (en) * | 2014-05-16 | 2017-04-20 | 株式会社マンダム | Hairdressing composition |
| CN109310590A (en) * | 2015-12-31 | 2019-02-05 | 莱雅公司 | Firm composition |
| JP2020200262A (en) * | 2019-06-10 | 2020-12-17 | 株式会社ノエビア | Skin external preparation |
| WO2021095089A1 (en) * | 2019-11-11 | 2021-05-20 | 宝商株式会社 | Skin coating composition and packaged skin-protecting coating agent |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010043072A (en) * | 2008-07-18 | 2010-02-25 | Ken Products Kk | Cosmetic composition for spray, and makeup method for amending facial expression to youthful physical figure |
| JP2014528443A (en) * | 2011-10-04 | 2014-10-27 | ジェニック カンパニー リミテッドＧｅｎｉｃ Ｃｏ．，Ｌｔｄ． | Hydrogel composition for mask substrate and method for producing hydrogel using the same |
| US10011712B2 (en) | 2011-10-04 | 2018-07-03 | Genic Co., Ltd. | Hydrogel composition for a mask base and method for manufacturing a hydrogel using same |
| JPWO2015174130A1 (en) * | 2014-05-16 | 2017-04-20 | 株式会社マンダム | Hairdressing composition |
| CN109310590A (en) * | 2015-12-31 | 2019-02-05 | 莱雅公司 | Firm composition |
| JP2019504058A (en) * | 2015-12-31 | 2019-02-14 | ロレアル | Skin tightening composition |
| JP2020200262A (en) * | 2019-06-10 | 2020-12-17 | 株式会社ノエビア | Skin external preparation |
| WO2021095089A1 (en) * | 2019-11-11 | 2021-05-20 | 宝商株式会社 | Skin coating composition and packaged skin-protecting coating agent |
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