JP3608776B2 - Topical skin preparation - Google Patents

Topical skin preparation Download PDF

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Publication number
JP3608776B2
JP3608776B2 JP2000153893A JP2000153893A JP3608776B2 JP 3608776 B2 JP3608776 B2 JP 3608776B2 JP 2000153893 A JP2000153893 A JP 2000153893A JP 2000153893 A JP2000153893 A JP 2000153893A JP 3608776 B2 JP3608776 B2 JP 3608776B2
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Japan
Prior art keywords
extract
polygonum
component
lupinus
skin
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JP2000153893A
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Japanese (ja)
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JP2001335418A (en
Inventor
篤子 小川
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Noevir Co Ltd
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Noevir Co Ltd
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Description

【0001】
【発明の属する技術分野】
この発明は、特定の植物抽出物を併用することにより、相乗的に美白効果が高まり、且つ安全性及び安定性の高い美白化粧料に関する。
【0002】
【従来の技術】
従来より、皮膚の色黒,シミ,ソバカス等を改善する上で、美白化粧料は非常に関心の深いものであり、これらにおいては、アスコルビン酸,システイン,2−ヒドロキシ酸,ハイドロキノン等が有効成分として配合されてきた。さらに、胎盤抽出物や、種々の薬用植物抽出物,藻類抽出物、植物由来の没食子酸,ゲライニン,アルブチン等を用いた例もある。
【0003】
しかしながら、アスコルビン酸,システイン,ハイドロキノンは、酸化還元反応を受けやすく不安定であり、2−ヒドロキシ酸は有効量を配合すると皮膚に対する安全性に問題があり、胎盤抽出物や植物,藻類よりの抽出物は有効量を配合すると皮膚外用剤に好ましくない臭いや色を付与しかねない、等の問題点があった。
【0004】
【発明が解決しようとする課題】
本発明においては、上記のような問題点を解決し、非常に高い皮膚美白作用を有し、かつ安定で、皮膚刺激性や皮膚感作性といった安全性上の問題もない皮膚外用剤を得ることを目的とした。
【0005】
【課題を解決するための手段】
上記の課題を解決するにあたり、種々検討を行ったところ、特定のタデ属(Polygonum L.)植物抽出物(成分A)、及びハウチワマメ属(Lupinus L.)植物の抽出物(成分B)、及びヒマワリ(Helianthus annuus L.)の抽出物(成分C)を併用することにより、特定のタデ属(Polygonum L.)植物抽出物による美白効果が相乗的に増強され、しかも安定で、皮膚刺激性や皮膚感作性とった安全性上の問題もない皮膚外用剤が得られることを見いだし、本発明を完成するに至った。
【0006】
【発明の実施の形態】
まず、本発明において抽出物を得るのに用いる植物について説明する。
【0007】
成分Aの特定のタデ属(Polygonum L.)植物としては、イタドリ(Polygonum cuspidatum Sieb. et Zucc.),ハチジョウイタドリ(Polygonum cuspidatum Sieb. et Zucc. var. hachidyoense Ohwi),オオイタドリ(Polygonum sachalinense Fr. Schm.)から選択される1種又は2種以上の植物を用いる。これらの植物の抽出物については、チロシナーゼ阻害活性を有し、これを配合した美白化粧料が既に開示されている(特開平5−294819号公報)。上記の特定のタデ属(Polygonum L.)植物は、全草若しくは花,葉,茎,果実,根等各部位を用いることができるが、全草若しくは根,葉を用いることが特に好ましい。
【0008】
成分Bのハウチワマメ属(Lupinus L.)植物は、マメ科(Leguminosae)の双子葉植物で、飼料や緑肥,観賞用,食用などにするために世界各地で栽培されている。また、ハウチワマメ属植物抽出物の皮膚外用剤への応用としては、コウジ酸及び/又はその誘導体と併用した皮膚外用剤(特開平7−61915号公報)、タチジャコウソウからの抽出物と併用した皮膚外用剤(特開平10−7518号公報)が開示されている。本発明で用いるハウチワマメ属(Lupinus L.)植物としては、特に限定されないが、シロバナルーピン(Lupinus albus L. ; Lupinus sativus Gaertn.),アオバナルーピン(Lupinus angustifolius L. ; Lupinus varius L. ; Lupinus linifolius Roth ; Lupinus reticulatus Desv.),カサバルーピン(Lupinus hirsutus L.),カバナハウチワマメ(Lupinus luteus L.),シュッコンルーピン(Lupinus polyphyllus Lindl.) ,エジプトルーピン(Lupinus termis Forsk. ; Lupinus graecus Boiss.)等が例示される。これらの植物の中でも、その効果の点からシロバナルーピン(Lupinus albus L. ; Lupinus sativus Gaertn.)が好ましく用いられる。またハウチワマメ属(Lupinus L.)植物の全草,葉,茎,根,宿根,花,種子を用いることが出来るが、種子を用いることが好ましい。
【0009】
成分Cのヒマワリ(Helianthus annuus L.)は、キク科(Compositae)ヒマワリ属(Helianthus L.)に属する双子葉植物の一種であり、ヒマワリ抽出物の皮膚外用剤への配合としては、ヒマワリ搾油粕抽出物を含有する化粧料(特表平5−503522号公報)等が既に開示されている。本発明においてヒマワリ(Helianthus annuus L.)は、花,種子,茎,葉,根を用いることが出来るが、花又は種子を用いることが好ましい。また、種子からヒマワリ油を搾油した残さであるヒマワリ油粕を用いてもよい。
【0010】
本発明においては、上記植物は生のまま抽出に供してもよいが、抽出効率を考えると、細切,乾燥,粉砕等の処理を行った後に抽出を行うことが好ましい。抽出は、抽出溶媒に浸漬して行う。抽出効率を上げるため撹拌を行ったり、抽出溶媒中でホモジナイズしてもよい。抽出温度としては、5℃程度から抽出溶媒の沸点以下の温度とするのが適切である。抽出時間は抽出溶媒の種類や抽出温度によっても異なるが、4時間〜2週間程度とするのが適切である。
【0011】
抽出溶媒としては、水の他、メタノール,エタノール,プロパノール,イソプロパノール等の低級アルコール、1,3−ブチレングリコール,プロピレングリコール,ジプロピレングリコール,グリセリン等の多価アルコール、エチルエーテル,プロピルエーテル等のエーテル類、酢酸エチル,酢酸ブチル等のエステル類、アセトン,エチルメチルケトン等のケトン類などの極性有機溶媒を用いることができ、これらより1種又は2種以上を選択して用いる。また、生理食塩水,リン酸緩衝液,リン酸緩衝生理食塩水等を用いてもよい。抽出の際の植物と溶媒との比率は特に限定されないが、植物1に対して溶媒0.1〜1000重量倍、特に抽出操作,効率の点で、0.5〜100重量倍が好ましい。
【0012】
上記植物の上記溶媒による抽出物は、そのままでも本発明に係る皮膚外用剤に含有させることができるが、濃縮,乾固したものを水や極性溶媒に再度溶解したり、或いは美白作用を損なわない範囲で脱色,脱臭,脱塩等の精製処理を行ったり、カラムクロマトグラフィーによる分画処理を行った後に用いてもよい。また保存のため、精製処理の後凍結乾燥し、用時に溶媒に溶解して用いることもできる。
【0013】
本発明においては、上記植物の上記溶媒による抽出物又はその処理物をそのまま、或いは水,低級アルコール等の水性担体に溶解したり、粉末化或いは顆粒化して、ローション剤,乳剤,ゲル,クリーム,軟膏等の外用剤基剤に含有させる。また、リポソーム等のベシクルやマイクロカプセル等に内包させて用いることもできる。
【0014】
上記の植物抽出物の皮膚外用剤への配合量は、その効果や添加した際の臭い,色調の点から考え、0.0001〜5重量%の濃度範囲とすることが好ましい。
【0015】
本発明の皮膚外用剤には、必要に応じて、通常医薬品,医薬部外品,皮膚化粧料及び洗浄料に配合される、油脂,保湿剤,粉体,色素,乳化剤,可溶化剤,洗浄剤,紫外線吸収剤,増粘剤,薬剤,香料,樹脂,アルコール類等を適宜配合することができる。また、本発明の皮膚外用剤の剤型は任意であり、例えば化粧水などの可溶化系、クリーム,乳液などの乳化系、カラミンローション等の分散系として提供することもでき、また噴射剤と共に充填したエアゾールの剤型をとってもよい。
【0016】
【実施例】
さらに実施例により、本発明の特徴について詳細に説明する。まず、本発明で用いる、植物抽出物の調製例を示す。
【0017】
[イタドリ抽出物]
イタドリ(Polygonum cuspidatum Sieb. et Zucc.)の根茎550gを乾燥,粉砕し、50容量%エタノール水溶液1,500ml中にて25℃で5日間撹拌抽出した。次いで、抽出液をろ過し、ろ液をイタドリ抽出物とした。
【0018】
[イタドリ抽出分画物]
イタドリ(Polygonum cuspidatum Sieb. et Zucc.)の根茎の乾燥粉末200gを50容量%エタノール水溶液2,000ml中に浸漬し、室温で7日間抽出した。次いで、抽出液をろ過し、ろ液を減圧濃縮し、30容量%エタノール水溶液800mlに溶解して、DIAION MCI Gel HP−20カラム(三菱化成株式会社製)にかけ、40容量%エタノール水溶液にて溶出される画分を回収した。次いで前記画分をシリカゲル薄層クロマトグラフィーにてクロロホルム・メタノール混合物(容量比=5:1)を展開溶媒として用いて分画した。得られた画分のうち、(−)−エピカテキンを含む画分を掻き取り、50容量%エタノール50mlに溶解してイタドリ抽出分画物とした。
【0019】
[シロバナルーピン抽出物]
シロバナルーピン(Lupinus albus L. ; Lupinus sativus Gaertn.)の種子500gを乾燥,粉砕し、50容量%エタノール水溶液1000ml中にて25℃で5日間撹拌抽出した。次いで、抽出液をろ過し、ろ液を回収してシロバナルーピン抽出物とした。
【0020】
[ヒマワリ花抽出物]
ヒマワリ(Helianthus annuus L.)の新鮮な生花500gを50容量%1,3−ブチレングリコール水溶液1000ml中暗所にて5℃で5日間撹拌抽出した。次いで、抽出液をろ過し、ろ液を回収してヒマワリ花抽出物とした。
【0021】
[ヒマワリ油粕抽出物]
ヒマワリ(Helianthus annuus L.)種子から油を搾油した油粕500gを、乾燥,粉砕し、精製水1000ml中にて20℃で20日間浸漬して抽出し、ヒマワリ油粕抽出物とした。
【0022】
[実施例1及び比較例1〜比較例3] 美容液
表1に示した処方にて、全成分を混合,均一化することにより美容液を調製した。
【0023】
【表1】

Figure 0003608776
【0024】
上記表1に示した処方にて調製した本発明の実施例1及び比較例1〜3について、色素沈着症状の改善効果を評価した。色素沈着症状の改善効果は、顕著なシミ,ソバカス等の色素沈着症状を有する女性パネラー20名を一群とし、各群に実施例又は比較例をそれぞれブラインドにて1日2回ずつ1ヶ月間使用させ、1ヶ月後の皮膚の色素沈着の状態を観察して使用前と比較して評価した。色素沈着の状態は、表2に示す判定基準に従って評価し、20名の平均値を算出して表3に示した。
【0025】
【表2】
Figure 0003608776
【0026】
【表3】
Figure 0003608776
【0027】
表3より明らかなように、本発明に係る実施例使用群では、顕著な色素沈着症状の改善が認められており、使用試験終了後には、微少な色素沈着が認められるにすぎない程度まで症状が改善されていた。これに対し比較例使用群では、イタドリ抽出分画物を含有する比較例1使用群においては軽度な色素沈着が認められる程度まで、シロバナルーピン抽出物を含有する比較例2及びヒマワリ花抽出物を含有する比較例3使用群ではそれぞれ軽度から中程度の色素沈着が認められる程度までしか症状が改善されておらず、実施例使用群に比べ、改善の程度は明らかに小さいものであった。
【0028】
[実施例2] 皮膚用乳剤
Figure 0003608776
製法:(1)〜(5)の油相成分を混合し、75℃に加熱して溶解,均一化する。一方、(6)〜(8)の水相成分を混合,溶解して75℃に加熱し、前記の油相成分を添加してホモミキサーにて均一に乳化し、(9)を加えて増粘させる。冷却後40℃にて(10)〜(14)を添加,混合する。
【0029】
[実施例3] 皮膚用クリーム
Figure 0003608776
製法:(1)〜(6)の油相成分を混合,溶解して75℃に加熱する。一方、(7)〜(9)の水相成分を混合,溶解して75℃に加熱する。次いで、上記水相成分に油相成分を添加して予備乳化した後、ホモミキサーにて均一に乳化後冷却し、40℃で(10)〜(12)の成分を添加し、混合,均一化する。
【0030】
[実施例4] メイクアップベースクリーム
Figure 0003608776
製法:(1)〜(4)の油相成分を混合し、75℃に加熱して均一とする。一方、(5)〜(7)の成分を混合し、75℃に加熱,溶解して均一とし、これに(8)〜(10)の顔料を添加し、ホモミキサーにて均一に分散させ水相成分とする。この水相成分に前記油相成分を添加し、ホモミキサーにて乳化した後冷却し、40℃にて(11)〜(14)の成分を添加,混合する。
【0031】
[実施例5] 乳液状ファンデーション
Figure 0003608776
製法:(1)〜(5)の油相成分を混合し、75℃に加熱して均一とする。一方、(6)〜(8)の水相成分を混合し、75℃に加熱,溶解して均一とし、これに(9)〜(13)の顔料を添加し、ホモミキサーにて均一に分散させる。油相成分を添加して乳化した後冷却し、40℃にて(14)〜(17)の成分を添加,混合する。
【0032】
[実施例6] ハンドクリーム
Figure 0003608776
製法:(1)〜(6)の油相成分を混合,溶解して75℃に加熱する。一方、(7)〜(9)の水相成分を混合,溶解して75℃に加熱する。ついで、水相成分に油相成分を添加して予備乳化した後、ホモミキサーにて均一に乳化後冷却し、40℃で(10)〜(12)の成分を添加し、混合,均一化する。
【0033】
[実施例7] ゼリー状ピールオフパック
Figure 0003608776
製法:(9)に(3)を加えて75℃に加熱する。これに(1),(2)を添加して溶解させ、(4)〜(8)を添加して可溶化する。
【0034】
[実施例8] マッサージゲル
Figure 0003608776
製法:75℃に加熱した(10)に、(1)〜(9)の成分を順次添加,溶解,均一化する。
【0035】
[実施例9] 洗顔料
Figure 0003608776
製法:(1)〜(7)の油相成分を混合,加熱溶解し、70℃とする。一方、(8)〜(10)の水相成分を混合して加熱溶解し、70℃とする。この水相成分に油相成分を徐々に添加して予備乳化し、次いでホモミキサーにて均一に乳化後冷却し、40℃で(11)〜(13)の成分を添加する。
【0036】
実施例2〜実施例9に示した皮膚外用剤を用いて、色素沈着改善効果を上記方法により評価した。その結果、全ての実施例において、顕著な色素沈着症状改善効果が認められた。また各実施例使用群において、皮膚刺激性反応や皮膚感作性反応を示したパネラーは存在しなかった。
【0037】
なお、本発明の実施例1〜実施例9については、上記使用試験期間中に含有成分の析出,分離,凝集,変臭,変色といった製剤の状態変化は全く見られなかった。
【0038】
【発明の効果】
以上詳述したように、本発明により、相乗的に美白効果が高まり、且つ安全性及び安定性の高い皮膚外用剤を得ることができた。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a whitening cosmetic composition that synergistically enhances the whitening effect and has high safety and stability by using a specific plant extract in combination.
[0002]
[Prior art]
Conventionally, whitening cosmetics are of great interest for improving skin darkness, spots, freckles, etc., and ascorbic acid, cysteine, 2-hydroxy acid, hydroquinone, etc. are active ingredients. Has been formulated as Furthermore, there are examples using placenta extracts, various medicinal plant extracts, algae extracts, plant-derived gallic acid, gelinin, arbutin and the like.
[0003]
However, ascorbic acid, cysteine, and hydroquinone are susceptible to oxidation-reduction reactions and are unstable, and 2-hydroxy acid has problems in safety against the skin when combined with an effective amount, and is extracted from placenta extracts, plants, and algae. When an effective amount is blended, there is a problem that an unpleasant odor or color may be imparted to the external preparation for skin.
[0004]
[Problems to be solved by the invention]
In the present invention, a topical skin preparation is obtained that solves the above-described problems, has a very high skin whitening effect, is stable, and has no safety problems such as skin irritation and skin sensitization. Aimed at that.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, various studies have been conducted. As a result, a specific Polygonum L. plant extract (component A), and an extract of Lupinus L. plant (component B), and By using the extract of sunflower ( Helianthus annuus L.) (component C) in combination, the whitening effect by a specific plant extract of Polygonum L. is synergistically enhanced and stable, It found that the problem there is no external preparation for skin on the safety of Tsu had a skin sensitization can be obtained, and have completed the present invention.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
First, the plant used for obtaining the extract in the present invention will be described.
[0007]
Particular Polygonum (Polygonum L.) plants component A, knotweed (Polygonum cuspidatum Sieb. Et Zucc. ), Bees Zhou knotweed (Polygonum cuspidatum Sieb. Et Zucc. Var. Hachidyoense Ohwi), Ooitadori (Polygonum sachalinense Fr. Schm.) Is used, or one or more plants selected from among them are used. About the extract of these plants, it has tyrosinase inhibitory activity and the whitening cosmetics which mix | blended this have already been disclosed (Unexamined-Japanese-Patent No. 5-294919). The above-mentioned specific Polygonum L. plant can use whole plants or flowers, leaves, stems, fruits, roots, etc., but it is particularly preferable to use whole plants or roots and leaves.
[0008]
Lupine species of component B (Lupinus L.) plant is a dicotyledonous plant leguminous (Leguminosae), fodder and green manure, ornamental, are grown in many parts of the world in order to, such as in edible. Moreover, as an application to the skin external preparation of the plant extract of the genus Capsicum, the skin external preparation used in combination with kojic acid and / or a derivative thereof (Japanese Patent Laid-Open No. 7-61915), the skin used in combination with the extract from Tachytrum An external preparation (Japanese Patent Laid-Open No. 10-7518) is disclosed. The lupine genus (Lupinus L.) plants used in the present invention is not particularly limited, white lupine (Lupinus albus L.;. Lupinus sativus Gaertn), Aoba Na lupine (Lupinus angustifolius L.; Lupinus varius L. ; Lupinus linifolius Roth ;. Lupinus reticulatus Desv), Kasabarupin (Lupinus hirsutus L.), cabanas c prickly beans (Lupinus luteus L.), zing con lupine (Lupinus polyphyllus Lindl), Egyptian lupine (Lupinus termis Forsk;.. Lupinus graecus Bo ss.) and the like. Among these plants, from the standpoint of the effect, white pine lupine ( Lupinus albus L .; Lupinus sativus Gaertn.) Is preferably used. In addition, whole plants, leaves, stems, roots, perennials, flowers, and seeds of Lupinus L. plants can be used, but seeds are preferably used.
[0009]
Sunflower component C (Helianthus annuus L.) is a kind of dicotyledonous plant belonging to Asteraceae (Compositae) Helianthus (Helianthus L.), as the formulation into the skin external preparation of the sunflower extract, sunflower oil extraction meal Cosmetics containing an extract (Japanese Patent Publication No. 5-503522) have already been disclosed. In the present invention, sunflower ( Helianthus annuus L.) can use flowers, seeds, stems, leaves, and roots, but it is preferable to use flowers or seeds. Moreover, you may use the sunflower oil cake which is the residue which squeezed the sunflower oil from the seed.
[0010]
In the present invention, the plant may be subjected to extraction as it is, but in consideration of extraction efficiency, it is preferable to perform extraction after processing such as shredding, drying, and pulverization. Extraction is performed by immersing in an extraction solvent. In order to increase the extraction efficiency, stirring may be performed, or homogenization may be performed in an extraction solvent. The extraction temperature is suitably about 5 ° C. to the boiling point of the extraction solvent. The extraction time varies depending on the type of extraction solvent and the extraction temperature, but is suitably about 4 hours to 2 weeks.
[0011]
Extraction solvents include water, lower alcohols such as methanol, ethanol, propanol, and isopropanol, polyhydric alcohols such as 1,3-butylene glycol, propylene glycol, dipropylene glycol, and glycerin, and ethers such as ethyl ether and propyl ether. , Polar organic solvents such as esters such as ethyl acetate and butyl acetate, and ketones such as acetone and ethyl methyl ketone can be used, and one or more of these are selected and used. Further, physiological saline, phosphate buffer, phosphate buffered saline, or the like may be used. Although the ratio of the plant and the solvent in the extraction is not particularly limited, the solvent is preferably 0.1 to 1000 times by weight with respect to the plant 1, and particularly 0.5 to 100 times by weight in terms of extraction operation and efficiency.
[0012]
The extract of the above-mentioned plant by the above-mentioned solvent can be contained in the external preparation for skin according to the present invention as it is, but the concentrated and dried solid is not dissolved again in water or a polar solvent, or the whitening effect is not impaired. It may be used after performing purification treatment such as decolorization, deodorization, and desalting within the range, or fractionation treatment by column chromatography. For storage, it can be freeze-dried after purification and dissolved in a solvent before use.
[0013]
In the present invention, the extract of the plant or the treated product thereof as it is or dissolved in an aqueous carrier such as water or a lower alcohol, or powdered or granulated to obtain a lotion, emulsion, gel, cream, It is contained in an external preparation base such as an ointment. It can also be used by encapsulating in vesicles such as liposomes or microcapsules.
[0014]
The blending amount of the above-mentioned plant extract into the external preparation for skin is preferably set to a concentration range of 0.0001 to 5% by weight in view of the effect, odor and color tone when added.
[0015]
The topical skin preparation of the present invention contains oils and fats, moisturizers, powders, pigments, emulsifiers, solubilizers, washing agents, which are usually blended with pharmaceuticals, quasi-drugs, skin cosmetics and detergents as necessary. Agents, ultraviolet absorbers, thickeners, drugs, fragrances, resins, alcohols, and the like can be appropriately blended. The dosage form of the external preparation for skin of the present invention is arbitrary, and can be provided, for example, as a solubilizing system such as lotion, an emulsifying system such as cream or emulsion, or a dispersing system such as calamine lotion, and together with a propellant. A filled aerosol dosage form may be used.
[0016]
【Example】
Further, the features of the present invention will be described in detail by way of examples. First, the preparation example of the plant extract used by this invention is shown.
[0017]
[Itadori extract]
550 g of rhododendron ( Polygonum cuspidatum Sieb. Et Zucc.) Was dried, pulverized, and extracted by stirring in 1,500 ml of 50% by volume ethanol aqueous solution at 25 ° C. for 5 days. Subsequently, the extract was filtered, and the filtrate was used as the itadori extract.
[0018]
[Itadori extract fraction]
200 g of dried rhizome powder of Japanese knotweed ( Polygonum cuspidatum Sieb. Et Zucc.) Was immersed in 2,000 ml of 50% by volume ethanol aqueous solution and extracted at room temperature for 7 days. Next, the extract was filtered, the filtrate was concentrated under reduced pressure, dissolved in 800 ml of 30 volume% ethanol aqueous solution, applied to a DIAION MCI Gel HP-20 column (manufactured by Mitsubishi Kasei Co., Ltd.), and eluted with 40 volume% ethanol aqueous solution. The fractions to be collected were collected. Subsequently, the fraction was fractionated by silica gel thin layer chromatography using a chloroform / methanol mixture (volume ratio = 5: 1) as a developing solvent. Among the obtained fractions, a fraction containing (−)-epicatechin was scraped and dissolved in 50 ml of 50% by volume ethanol to obtain an itadori extract fraction.
[0019]
[Shirobanalupin extract]
500 g of seeds of white spinal lupine ( Lupinus albus L .; Lupinus sativus Gaertn.) Were dried, ground, and extracted by stirring in 1000 ml of 50% by volume ethanol aqueous solution at 25 ° C. for 5 days. Next, the extract was filtered, and the filtrate was collected to obtain a Shirobanarupin extract.
[0020]
[Sunflower flower extract]
500 g of fresh flowers of sunflower ( Helianthus annuus L.) was extracted by stirring at 5 ° C. for 5 days in a dark place in 1000 ml of 50 volume% 1,3-butylene glycol aqueous solution. Next, the extract was filtered, and the filtrate was collected to obtain a sunflower flower extract.
[0021]
[Sunflower oil extract]
500 g of oil cake obtained by squeezing oil from sunflower ( Helianthus annuus L.) seeds was dried, pulverized, and extracted by immersion in 20 ml of purified water at 20 ° C. for 20 days to obtain a sunflower oil cake extract.
[0022]
[Example 1 and Comparative Examples 1 to 3] Cosmetic liquid A cosmetic liquid was prepared by mixing and homogenizing all ingredients according to the formulation shown in Table 1.
[0023]
[Table 1]
Figure 0003608776
[0024]
About Example 1 of this invention and Comparative Examples 1-3 which were prepared with the prescription shown in the said Table 1, the improvement effect of the pigmentation symptom was evaluated. The effect of improving pigmentation symptoms is a group of 20 female panelists with significant pigmentation symptoms such as stains and buckwheat, and each group is used twice a day for one month for each example or comparative example. In addition, the state of skin pigmentation after one month was observed and evaluated in comparison with before use. The pigmentation state was evaluated according to the criteria shown in Table 2, and the average value of 20 people was calculated and shown in Table 3.
[0025]
[Table 2]
Figure 0003608776
[0026]
[Table 3]
Figure 0003608776
[0027]
As is apparent from Table 3, in the example use group according to the present invention, a marked improvement in pigmentation symptoms was observed, and after the end of the use test, only slight pigmentation was observed. Has been improved. On the other hand, in the comparative example use group, the comparative example 2 and sunflower flower extract containing the white vanilla lupine extract were added to the extent that mild pigmentation was observed in the comparative example 1 use group containing the itadori extract fraction. In the use group of Comparative Example 3 contained, the symptoms were improved only to the extent that mild to moderate pigmentation was observed, and the degree of improvement was clearly smaller than that in the Example use group.
[0028]
[Example 2] Emulsion for skin
Figure 0003608776
Production method: The oil phase components (1) to (5) are mixed and heated to 75 ° C. to dissolve and homogenize. On the other hand, the water phase components (6) to (8) are mixed and dissolved, heated to 75 ° C., the oil phase components are added, and the mixture is uniformly emulsified with a homomixer. Make it sticky. (10) to (14) are added and mixed at 40 ° C. after cooling.
[0029]
[Example 3] Cream for skin
Figure 0003608776
Production method: The oil phase components (1) to (6) are mixed, dissolved, and heated to 75 ° C. On the other hand, the aqueous phase components (7) to (9) are mixed and dissolved and heated to 75 ° C. Next, after adding the oil phase component to the above water phase component and pre-emulsifying it, uniformly emulsifying with a homomixer and cooling, adding the components (10) to (12) at 40 ° C., mixing and homogenizing To do.
[0030]
[Example 4] Makeup base cream
Figure 0003608776
Production method: The oil phase components (1) to (4) are mixed and heated to 75 ° C. to be uniform. On the other hand, the components (5) to (7) are mixed, heated and dissolved at 75 ° C. to make uniform, and the pigments (8) to (10) are added thereto and dispersed uniformly with a homomixer. The phase component. The oil phase component is added to the aqueous phase component, emulsified with a homomixer, cooled, and the components (11) to (14) are added and mixed at 40 ° C.
[0031]
[Example 5] Emulsion foundation
Figure 0003608776
Production method: The oil phase components (1) to (5) are mixed and heated to 75 ° C. to be uniform. On the other hand, the water phase components (6) to (8) are mixed, heated and dissolved at 75 ° C. to make it uniform, and the pigments (9) to (13) are added thereto and dispersed uniformly with a homomixer. Let The oil phase component is added and emulsified, and then cooled, and the components (14) to (17) are added and mixed at 40 ° C.
[0032]
[Example 6] Hand cream
Figure 0003608776
Production method: The oil phase components (1) to (6) are mixed, dissolved, and heated to 75 ° C. On the other hand, the aqueous phase components (7) to (9) are mixed and dissolved and heated to 75 ° C. Next, the oil phase component is added to the water phase component and pre-emulsified, and then uniformly emulsified with a homomixer and cooled, and then the components (10) to (12) are added at 40 ° C. to mix and homogenize. .
[0033]
[Example 7] Jelly peel-off pack
Figure 0003608776
Production method: Add (3) to (9) and heat to 75 ° C. (1) and (2) are added and dissolved therein, and (4) to (8) are added and solubilized.
[0034]
[Example 8] Massage gel
Figure 0003608776
Production method: Components (1) to (9) are sequentially added, dissolved and homogenized to (10) heated to 75 ° C.
[0035]
[Example 9] Face wash
Figure 0003608776
Production method: The oil phase components (1) to (7) are mixed and dissolved by heating to 70 ° C. On the other hand, the water phase components (8) to (10) are mixed and dissolved by heating to 70 ° C. The oil phase component is gradually added to this water phase component and pre-emulsified, then uniformly emulsified with a homomixer and cooled, and then the components (11) to (13) are added at 40 ° C.
[0036]
Using the skin external preparations shown in Examples 2 to 9, the pigmentation improving effect was evaluated by the above method. As a result, in all Examples, a remarkable effect of improving pigmentation symptoms was observed. Moreover, in each Example use group, the paneler which showed skin irritation reaction and skin sensitization reaction did not exist.
[0037]
In addition, in Examples 1 to 9 of the present invention, no change in the state of the preparation such as precipitation, separation, aggregation, odor change and discoloration of the components was observed during the use test period.
[0038]
【The invention's effect】
As described above in detail, according to the present invention, a skin external preparation having a synergistic whitening effect and high safety and stability can be obtained.

Claims (1)

次に示す成分A〜成分Cを含有する美白化粧料。成分A:イタドリ(Polygonum cuspidatum Sieb. et Zucc.),ハチジョウイタドリ(Polygonum cuspidatum Sieb. et Zucc. var. hachidyoense Ohwi),オオイタドリ(Polygonum sachalinense Fr. Schm.)から選択される1種又は2種以上のタデ属(Polygonum L.)植物の全草若しくは根,葉の抽出物、成分B;シロバナルーピン (Lupinus albus L. ; Lupinus sativus Gaertn.) 植物の種子抽出物、成分C;ヒマワリ(Helianthus annuus L.)の花又は種子抽出物。 Whitening cosmetics containing the following component A-component C. Component A: (.. Polygonum cuspidatum Sieb et Zucc) (. Polygonum sachalinense Fr. Schm) Japanese knotweed, bees jaw knotweed (... Polygonum cuspidatum Sieb et Zucc var hachidyoense Ohwi), Ooitadori one or more selected from Polygonum (Polygonum L.) whole plant or root, leaf extracts of plants, component B; white lupine (Lupinus albus L.;. Lupinus sativus Gaertn) seed extract of a plant, component C; sunflower (Helianthus annuus L .) Flower or seed extract.
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