JP2019014764A - Minoxidil-containing external composition - Google Patents
Minoxidil-containing external composition Download PDFInfo
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- JP2019014764A JP2019014764A JP2018208700A JP2018208700A JP2019014764A JP 2019014764 A JP2019014764 A JP 2019014764A JP 2018208700 A JP2018208700 A JP 2018208700A JP 2018208700 A JP2018208700 A JP 2018208700A JP 2019014764 A JP2019014764 A JP 2019014764A
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- composition
- minoxidil
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- external
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Abstract
Description
本発明は、医薬外用剤、医薬部外品、又は化粧品として用いられる、ミノキシジルを含有する外用組成物に関する。 The present invention relates to an external composition containing minoxidil, which is used as a pharmaceutical external preparation, a quasi-drug, or a cosmetic.
ミノキシジル（６−（１−ピペリジニル）２，４−ピリミジン−３−オキサイド）は、外用により優れた育毛、養毛効果が得られるため、脱毛症の改善薬として広く使われている。
ところが、ミノキシジルは、水やエタノールへの溶解性が悪く、特に、低温で保存すると結晶が析出し易い。また、ミノキシジルを含む液剤は、経時的に着色して、商品価値が低下する。
Minoxidil (6- (1-piperidinyl) 2,4-pyrimidine-3-oxide) is widely used as an alopecia ameliorating agent because it provides excellent hair growth and nourishing effects for external use.
However, minoxidil has poor solubility in water and ethanol, and crystals tend to precipitate particularly when stored at low temperatures. Moreover, the liquid agent containing minoxidil is colored with time and the commercial value is lowered.
ここで、特許文献１は、ミノキシジルの溶解性を向上させるために、多価アルコールを大量に配合することを提案しているが、多価アルコールを大量に配合すると、頭皮にべたつきが残ったり、髪がべたついて、いつまでも乾かないなどの使用上の問題がある。
また、特許文献２は、多価アルコールを８〜３０重量％配合しつつ、組成物のｐＨを５．５〜６．５にすることで、ミノキシジルの結晶析出を抑制することを提案している。しかし、特許文献２の方法では、ミノキシジル含有液剤の着色を抑制することはできない。
Here, Patent Document 1 proposes blending a large amount of polyhydric alcohol in order to improve the solubility of minoxidil, but when blending a large amount of polyhydric alcohol, the scalp remains sticky, There are problems in use such as hair stickiness and does not dry forever.
Patent Document 2 proposes to suppress the precipitation of minoxidil crystal by adjusting the pH of the composition to 5.5 to 6.5 while blending 8 to 30% by weight of polyhydric alcohol. . However, the method of Patent Document 2 cannot suppress the coloring of the minoxidil-containing liquid agent.
ミノキシジル含有液剤の経時的な着色を抑制する試みとして、特許文献３は、ミノキシジル含有液剤にアミノ酸を配合することを教えており、特許文献４は、ミノキシジル含有液剤に抗酸化剤を配合し、かつｐＨを５．５〜７．０にすることを教えており、特許文献５は、ミノキシジル含有液剤にジブチルヒドロキシトルエンやジブチルヒドロキシアニソールを配合し、かつｐＨを５．７〜６．４にすることを教えている。しかし、これらの文献記載の方法では、ミノキシジル含有液剤の着色を実用上十分に抑制することはできない。 As an attempt to suppress the coloration of the minoxidil-containing liquid over time, Patent Document 3 teaches that an amino acid is blended with the minoxidil-containing liquid, and Patent Document 4 blends an antioxidant with the minoxidil-containing liquid, and It teaches that the pH is adjusted to 5.5 to 7.0, and Patent Document 5 discloses that dibutylhydroxytoluene or dibutylhydroxyanisole is added to the minoxidil-containing liquid and the pH is adjusted to 5.7 to 6.4. Teaching. However, the methods described in these documents cannot sufficiently suppress the coloring of the minoxidil-containing liquid agent practically.
本発明は、ミノキシジルを配合した外用組成物であって、ミノキシジルの結晶析出、及び経時的な着色が抑制されており、しかも使用感に優れた組成物を提供することを課題とする。 An object of the present invention is to provide an external composition containing minoxidil, in which the crystal precipitation of minoxidil and coloring over time are suppressed, and the composition has excellent usability.
本発明者は、上記課題を解決するために研究を重ね、ミノキシジルを含有する水含有組成物に、比較的大量のブチレングリコール及びエタノールを配合し、組成物のｐHを６．６〜８に調整することにより、ミノキシジルの結晶析出が抑制されており、熱や光に曝されても着色し難く、さらにベタツキが抑制された組成物になることを見出した。
具体的には、組成物の全量に対して、それぞれ、３〜８重量％のミノキシジル、２４〜３５重量％のブチレングリコール、及び４５〜６０重量％のエタノール、並びに水を含有し、ｐHが６．６〜８の外用組成物は、ミノキシジルの結晶析出が抑制されており、熱や光に曝されても着色し難く、さらにベタツキが抑制された外用組成物になることを見出した。
The present inventor repeated research to solve the above-mentioned problems, and blended a water-containing composition containing minoxidil with a relatively large amount of butylene glycol and ethanol to adjust the pH of the composition to 6.6-8. As a result, the inventors have found that the crystal precipitation of minoxidil is suppressed, the composition is difficult to be colored even when exposed to heat and light, and the stickiness is further suppressed.
Specifically, it contains 3 to 8% by weight of minoxidil, 24 to 35% by weight of butylene glycol, 45 to 60% by weight of ethanol, and water, respectively, with a pH of 6 with respect to the total amount of the composition. It was found that the .6 to 8 external compositions have a minoxidil crystal precipitation suppressed, are hardly colored even when exposed to heat or light, and become an external composition in which stickiness is further suppressed.
本発明は、上記知見に基づき完成されたものであり、以下の外用組成物を提供する。
項１． 組成物の全量に対して、それぞれ、３〜８重量％のミノキシジル、２４〜３５重量％のブチレングリコール、及び４５〜６０重量％のエタノール、並びに水を含有し、ｐHが６．６〜８である外用組成物。
項２． 水の含有量が、組成物の全量に対して、４〜２８重量％である項１に記載の外用組成物。
項３． 育毛、養毛、又は発毛用である項１又は２に記載の外用組成物。
項４． 外用組成物に接する面の一部又は全部が、ポリオレフィン、及びガラスからなる群より選ばれる少なくとも１種の材料で構成されている容器に項１〜３の何れかに記載の外用組成物が収容された容器入り外用組成物。
This invention is completed based on the said knowledge, and provides the following external compositions.
Item 1. Each containing 3 to 8% by weight of minoxidil, 24 to 35% by weight of butylene glycol, and 45 to 60% by weight of ethanol, and water, with a pH of 6.6 to 8, based on the total amount of the composition; An external composition.
Item 2. Item 2. The composition for external use according to Item 1, wherein the water content is 4 to 28% by weight based on the total amount of the composition.
Item 3. Item 3. The composition for external use according to Item 1 or 2, which is used for hair growth, hair growth, or hair growth.
Item 4. The external composition according to any one of Items 1 to 3 is accommodated in a container in which a part or all of the surface in contact with the external composition is made of at least one material selected from the group consisting of polyolefin and glass. Containerized external composition.
本発明の外用組成物は、ミノキシジルの結晶析出、及び経時的な着色が抑制されており、しかもベタツキが抑えられた良好な使用感のものである。
ミノキシジルは、特に、低温下で結晶析出し易いが、本発明の外用組成物は、低温保存時の結晶析出も抑制されている。従って、寒冷地への流通、冬季の保管にも耐える。また、高温下や光に曝された場合の着色も抑制されているため、必ずしも遮光容器に充填しなくてもよい。従って、極めて実用的な商品価値の高いミノキシジル含有製剤である。
The composition for external use of the present invention has a good feeling of use in which crystal precipitation of minoxidil and coloring over time are suppressed, and stickiness is suppressed.
Minoxidil is particularly likely to crystallize at low temperatures, but the composition for external use of the present invention also suppresses crystal precipitation during low-temperature storage. Therefore, it can withstand distribution to cold regions and storage in winter. Further, since coloring at high temperatures or exposure to light is suppressed, the light-shielding container does not necessarily have to be filled. Accordingly, it is a minoxidil-containing preparation with extremely high commercial value.
以下、本発明を詳細に説明する。
本発明の外用組成物は、組成物の全量に対して、それぞれ、３〜８重量％のミノキシジル、２４〜３５重量％のブチレングリコール、及び４５〜６０重量％のエタノール、並びに水を含有し、ｐHが６．６〜８の組成物である。
Hereinafter, the present invention will be described in detail.
The composition for external use of the present invention contains 3 to 8% by weight of minoxidil, 24 to 35% by weight of butylene glycol, 45 to 60% by weight of ethanol, and water, respectively, based on the total amount of the composition. The composition has a pH of 6.6-8.
ミノキシジル
ミノキシジルは市販されており、例えば、東京化成工業社から購入できる。
ミノキシジルの含有量は、組成物の全量に対して、約３重量％以上であり、約３．５重量％以上が好ましく、約４重量％以上がより好ましい。一般にこの範囲でミノキシジルを含む組成物はミノキシジルの溶解性が悪く、また経時的に着色し易いので、この範囲が本発明の好適な対象である。
また、ミノキシジルの含有量は、組成物の全量に対して、約８重量％以下であり、約７重量％以下が好ましく、約６重量％以下がより好ましい。この範囲であれば、ミノキシジルの結晶析出、及び経時的な組成物の着色が抑制される。
組成物の全量に対するミノキシジルの含有量としては、約３〜８重量％、約３〜７重量％、約３〜６重量％、約３．５〜８重量％、約３．５〜７重量％、約３．５〜６重量％、約４〜８重量％、約４〜７重量％、約４〜６重量％が挙げられる。
Minoxidil Minoxidil is commercially available and can be purchased from, for example, Tokyo Chemical Industry Co., Ltd.
The content of minoxidil is about 3% by weight or more, preferably about 3.5% by weight or more, and more preferably about 4% by weight or more based on the total amount of the composition. In general, a composition containing minoxidil within this range has poor solubility of minoxidil and is likely to be colored over time, so this range is a preferred subject of the present invention.
The content of minoxidil is about 8% by weight or less, preferably about 7% by weight or less, and more preferably about 6% by weight or less based on the total amount of the composition. Within this range, minoxidil crystal precipitation and coloration of the composition over time are suppressed.
The content of minoxidil relative to the total amount of the composition is about 3 to 8% by weight, about 3 to 7% by weight, about 3 to 6% by weight, about 3.5 to 8% by weight, and about 3.5 to 7% by weight. About 3.5 to 6% by weight, about 4 to 8% by weight, about 4 to 7% by weight, and about 4 to 6% by weight.
ブチレングリコール
ブチレングリコールの含有量は、組成物の全量に対して、約２４重量％以上であり、約２６重量％以上が好ましく、約２８重量％以上がより好ましい。一般にｐＨが高いとミノキシジルの溶解性が悪いが、本発明の組成物は、上記範囲でブチレングリコールを含むため、ミノキシジルの溶解性が良好になり、結晶析出が十分に抑制される。また、経時的な組成物の着色が十分に抑制される。さらに、本発明の組成物は比較的大量のエタノールを含むが、上記範囲でブチレングリコールを含むことにより、エタノールの揮発による塗布後の皮膚の乾燥感が抑制されている。
また、ブチレングリコールの含有量は、組成物の全量に対して、約３５重量％以下であり、約３４重量％以下が好ましく、約３２重量％以下がより好ましい。この範囲であれば、使用感が良好な組成物となる。
組成物の全量に対するブチレングリコールの含有量としては、約２４〜３５重量％、約２４〜３４重量％、約２４〜３２重量％、約２６〜３５重量％、約２６〜３４重量％、約２６〜３２重量％、約２８〜３５重量％、約２８〜３４重量％、約２８〜３２重量％が挙げられる。
The content of butylene glycol butylene glycol is about 24% by weight or more, preferably about 26% by weight or more, more preferably about 28% by weight or more based on the total amount of the composition. Generally, when the pH is high, the solubility of minoxidil is poor. However, since the composition of the present invention contains butylene glycol in the above range, the solubility of minoxidil is improved and crystal precipitation is sufficiently suppressed. Moreover, the coloring of the composition over time is sufficiently suppressed. Furthermore, although the composition of the present invention contains a relatively large amount of ethanol, the dryness of the skin after application due to the volatilization of ethanol is suppressed by containing butylene glycol in the above range.
The content of butylene glycol is about 35% by weight or less, preferably about 34% by weight or less, more preferably about 32% by weight or less based on the total amount of the composition. If it is this range, it will become a composition with a favorable usability | use_condition.
The content of butylene glycol relative to the total amount of the composition is about 24-35 wt%, about 24-34 wt%, about 24-32 wt%, about 26-35 wt%, about 26-34 wt%, about 26 -32 wt%, about 28-35 wt%, about 28-34 wt%, about 28-32 wt%.
ブチレングリコールの含有量は、ミノキシジルの１重量部に対して、約３重量部以上が好ましく、約４重量部以上がより好ましく、約５重量部以上がさらにより好ましい。上記範囲であれば、ミノキシジルの溶解性が良好になり、結晶析出が十分に抑制される。また、経時的な組成物の着色が十分に抑制される。さらに、エタノールの揮発による塗布後の皮膚の乾燥感が抑制されている。
また、ブチレングリコールの含有量は、ミノキシジルの１重量部に対して、約１０重量部以下が好ましく、約８重量部以下がより好ましく、約７重量部以下がさらにより好ましい。この範囲であれば、使用感が良好な組成物となる。
ミノキシジルの１重量部に対するブチレングリコールの含有量の比率としては、約３〜１０重量部、約３〜８重量部、約３〜７重量部、約４〜１０重量部、約４〜８重量部、約４〜７重量部、約５〜１０重量部、約５〜８重量部、約５〜７重量部が挙げられる。
The content of butylene glycol is preferably about 3 parts by weight or more, more preferably about 4 parts by weight or more, and still more preferably about 5 parts by weight or more with respect to 1 part by weight of minoxidil. If it is the said range, the solubility of minoxidil will become favorable and crystal | crystallization precipitation will fully be suppressed. Moreover, the coloring of the composition over time is sufficiently suppressed. Furthermore, the dry feeling of the skin after application | coating by volatilization of ethanol is suppressed.
Further, the content of butylene glycol is preferably about 10 parts by weight or less, more preferably about 8 parts by weight or less, and still more preferably about 7 parts by weight or less based on 1 part by weight of minoxidil. If it is this range, it will become a composition with a favorable usability | use_condition.
The content ratio of butylene glycol to 1 part by weight of minoxidil is about 3 to 10 parts by weight, about 3 to 8 parts by weight, about 3 to 7 parts by weight, about 4 to 10 parts by weight, and about 4 to 8 parts by weight. About 4 to 7 parts by weight, about 5 to 10 parts by weight, about 5 to 8 parts by weight, and about 5 to 7 parts by weight.
エタノール
エタノールの含有量は、組成物の全量に対して、約４５重量％以上であり、約４７重量％以上が好ましく、約４９重量％以上がより好ましい。上記範囲であれば、ミノキシジルの経皮吸収性、及び速乾性に優れた組成物となる。
また、エタノールの含有量は、組成物の全量に対して、約６０重量％以下であり、約５５重量％以下が好ましく、約５２重量％以下がより好ましい。この範囲であれば、組成物を塗布後の皮膚の乾燥感が抑えられている。
組成物の全量に対するエタノールの含有量としては、約４５〜６０重量％、約４５〜５５重量％、約４５〜５２重量％、約４７〜６０重量％、約４７〜５５重量％、約４７〜５２重量％、約４９〜６０重量％、約４９〜５５重量％、約４９〜５２重量％が挙げられる。
The ethanol content is about 45% by weight or more, preferably about 47% by weight or more, and more preferably about 49% by weight or more based on the total amount of the composition. If it is the said range, it will become a composition excellent in the transdermal absorbability and quick-drying property of minoxidil.
The ethanol content is about 60% by weight or less, preferably about 55% by weight or less, more preferably about 52% by weight or less, based on the total amount of the composition. If it is this range, the dry feeling of the skin after apply | coating a composition is suppressed.
The content of ethanol with respect to the total amount of the composition is about 45-60 wt%, about 45-55 wt%, about 45-52 wt%, about 47-60 wt%, about 47-55 wt%, about 47- 52% by weight, about 49-60% by weight, about 49-55% by weight, and about 49-52% by weight.
エタノールの含有量は、ミノキシジルの１重量部に対して、約６重量部以上が好ましく、約７重量部以上がより好ましく、約８重量部以上がさらにより好ましい。上記範囲であれば、ミノキシジルの経皮吸収性、及び速乾性に優れた組成物となる。
また、エタノールの含有量は、ミノキシジルの１重量部に対して、約２０重量部以下が好ましく、約１８重量部以下がより好ましく、約１７重量部以下がさらにより好ましい。この範囲であれば、組成物を塗布後の皮膚の乾燥感が抑えられている。
ミノキシジルの１重量部に対するエタノールの含有量の比率としては、約６〜２０重量部、約６〜１８重量部、約６〜１７重量部、約７〜２０重量部、約７〜１８重量部、約７〜１７重量部、約８〜２０重量部、約８〜１８重量部、約８〜１７重量部が挙げられる。
The ethanol content is preferably about 6 parts by weight or more, more preferably about 7 parts by weight or more, and still more preferably about 8 parts by weight or more with respect to 1 part by weight of minoxidil. If it is the said range, it will become a composition excellent in the transdermal absorbability and quick-drying property of minoxidil.
Further, the content of ethanol is preferably about 20 parts by weight or less, more preferably about 18 parts by weight or less, and still more preferably about 17 parts by weight or less with respect to 1 part by weight of minoxidil. If it is this range, the dry feeling of the skin after apply | coating a composition is suppressed.
The ratio of the content of ethanol to 1 part by weight of minoxidil is about 6-20 parts by weight, about 6-18 parts by weight, about 6-17 parts by weight, about 7-20 parts by weight, about 7-18 parts by weight, Examples include about 7 to 17 parts by weight, about 8 to 20 parts by weight, about 8 to 18 parts by weight, and about 8 to 17 parts by weight.
水
本発明の外用組成物は水を含む。
水の含有量は、組成物の全量に対して、約４重量％以上が好ましく、約８重量％以上がより好ましく、約１２重量％以上がさらにより好ましい。一般に、水を多く含むとミノキシジルの溶解性が悪くなるので、この範囲で水を含む組成物が本発明の好適な対象となる。
水の含有量は、組成物の全量に対して、約２８重量％以下が好ましく、約２４重量％以下がより好ましく、約２０重量％以下がさらにより好ましい。この範囲であれば、ミノキシジルの溶解性が良好になる。
組成物の全量に対する水の含有量としては、約４〜２８重量％、約４〜２４重量％、約４〜２０重量％、約８〜２８重量％、約８〜２４重量％、約８〜２０重量％、約１２〜２８重量％、約１２〜２４重量％、約１２〜２０重量％が挙げられる。
Composition for external use of the water present invention comprises water.
The water content is preferably about 4% by weight or more, more preferably about 8% by weight or more, and still more preferably about 12% by weight or more based on the total amount of the composition. In general, when a large amount of water is contained, the solubility of minoxidil is deteriorated. Therefore, a composition containing water in this range is a suitable subject of the present invention.
The water content is preferably about 28% by weight or less, more preferably about 24% by weight or less, and still more preferably about 20% by weight or less, based on the total amount of the composition. If it is this range, the solubility of minoxidil will become favorable.
The water content relative to the total amount of the composition is about 4 to 28% by weight, about 4 to 24% by weight, about 4 to 20% by weight, about 8 to 28% by weight, about 8 to 24% by weight, about 8 to 20% by weight, about 12-28% by weight, about 12-24% by weight, about 12-20% by weight.
水の含有量は、ミノキシジルの１重量部に対して、約１重量部以上が好ましく、約１．５重量部以上がより好ましく、約２重量部以上がさらにより好ましい。一般に、水を多く含むとミノキシジルの溶解性が悪くなるので、この範囲で水を含む組成物が本発明の好適な対象となる。
また、水の含有量は、ミノキシジルの１重量部に対して、約９重量部以下が好ましく、約７重量部以下がより好ましく、約５重量部以下がさらにより好ましい。この範囲であれば、ミノキシジルの溶解性が良好になる。
ミノキシジルの１重量部に対する水の含有量の比率としては、約１〜９重量部、約１〜７重量部、約１〜５重量部、約１．５〜９重量部、約１．５〜７重量部、約１．５〜５重量部、約２〜９重量部、約２〜７重量部、約２〜５重量部が挙げられる。
The water content is preferably about 1 part by weight or more, more preferably about 1.5 parts by weight or more, and still more preferably about 2 parts by weight or more with respect to 1 part by weight of minoxidil. In general, when a large amount of water is contained, the solubility of minoxidil is deteriorated. Therefore, a composition containing water in this range is a suitable subject of the present invention.
Further, the water content is preferably about 9 parts by weight or less, more preferably about 7 parts by weight or less, and still more preferably about 5 parts by weight or less with respect to 1 part by weight of minoxidil. If it is this range, the solubility of minoxidil will become favorable.
The ratio of water content to 1 part by weight of minoxidil is about 1 to 9 parts by weight, about 1 to 7 parts by weight, about 1 to 5 parts by weight, about 1.5 to 9 parts by weight, about 1.5 to 7 parts by weight, about 1.5-5 parts by weight, about 2-9 parts by weight, about 2-7 parts by weight, and about 2-5 parts by weight.
基剤又は担体
本発明の外用組成物は、水、及びエタノールの他にも、本発明の効果を損なわない範囲で、医薬外用剤、医薬部外品、化粧品用の薬学的又は生理学的に許容される基剤又は担体を含むことができる。
このような基剤又は担体としては、流動パラフィン、スクワラン、ワセリン、ゲル化炭化水素（プラスチベースなど）、オゾケライト、α−オレフィンオリゴマー、及び軽質流動パラフィンのような炭化水素；メチルポリシロキサン、高重合メチルポリシロキサン、環状シリコーン、アルキル変性シリコーン、アミノ変性シリコーン、ポリエーテル変性シリコーン、ポリグリセリン変性シリコーン、シリコーン・アルキル鎖共変性ポリエーテル変性シリコーン、シリコーン・アルキル鎖共変性ポリグリセリン変性シリコーン、ポリエーテル変性分岐シリコーン、ポリグリセリン変性分岐シリコーン、アクリルシリコーン、フェニル変性シリコーン、及びシリコーンレジンのようなシリコーン油；ヤシ油、オリーブ油、コメヌカ油、シアバターのような油脂；ホホバ油、ミウロウ、キャンデリラロウ、及びラノリンのようなロウ類；セタノール、セトステアリルアルコール、ステアリルアルコール、ベヘニルアルコール、オクチルドデカノール、イソステアリルアルコール、フィトステロール、及びコレステロールのような高級アルコール；エチルセルロース、ヒドロキシプロピルセルロース、及びヒドロキシプロピルメチルセルロースのようなセルロース誘導体；ポリビニルピロリドン；カラギーナン；ポリビニルブチラート；ポリエチレングリコール；ジオキサン；ブチレングリコールアジピン酸ポリエステル；ミリスチン酸イソプロピル、ミリスチン酸オクチルドデシル、パルミチン酸イソプロピル、パルミチン酸セチル、イソノナン酸イソノニル、及びテトラ２−エチルヘキサン酸ペンタエリスリットのようなエステル類；デキストリン、及びマルトデキストリンのような多糖類；カルボキシビニルポリマー、及びアルキル変性カルボキシビニルポリマーのようなビニル系高分子；メタノール、プロパノール、イソプロピルアルコール、ブタノール、イソブチルアルコール、sec−ブチルアルコール、test-ブチルアルコール等のような低級（炭素数１〜４）アルコール；並びにエチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、エチレングリコールモノプロピルエーテル、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノプロピルエーテル、ジエチレングリコールモノブチルエーテル、プロピレングリコールモノエチルエーテル、プロピレングリコールモノプロピルエーテル、ジプロピレングリコールモノエチルエーテル、及びジプロピレングリコールモノプロピルエーテルのようなグリコールエーテル；グリセリン、ジグリセリン、ポリグリセリン、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、ポリプロピレングリコール、ソルビトール、マンニトール、トレハロース、エリスリトール、キシリトールなどのポリオール類などが挙げられる。
Base or carrier In addition to water and ethanol, the composition for external use of the present invention is pharmaceutically or physiologically acceptable for use in pharmaceutical external preparations, quasi-drugs, and cosmetics as long as the effects of the present invention are not impaired. Base or carrier.
Such bases or carriers include liquid paraffin, squalane, petrolatum, gelled hydrocarbons (such as plastibase), ozokerite, α-olefin oligomers, and hydrocarbons such as light liquid paraffin; methyl polysiloxane, highly polymerized methyl Polysiloxane, cyclic silicone, alkyl-modified silicone, amino-modified silicone, polyether-modified silicone, polyglycerin-modified silicone, silicone-alkyl chain co-modified polyether-modified silicone, silicone-alkyl chain co-modified polyglycerin-modified silicone, polyether-modified branch Silicone oils such as silicones, polyglycerin-modified branched silicones, acrylic silicones, phenyl-modified silicones, and silicone resins; coconut oil, olive oil, rice bran oil, shea butter Oils and fats; waxes such as jojoba oil, miw wax, candelilla wax, and lanolin; higher alcohols such as cetanol, cetostearyl alcohol, stearyl alcohol, behenyl alcohol, octyldodecanol, isostearyl alcohol, phytosterol, and cholesterol; Cellulose derivatives such as ethyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methylcellulose; polyvinyl pyrrolidone; carrageenan; polyvinyl butyrate; polyethylene glycol; dioxane; butylene glycol adipate polyester; isopropyl myristate, octyldodecyl myristate, isopropyl palmitate, palmitate Cetyl acid, isononyl isononanoate, and tetra-2-ethylhexa Esters such as pentaerythritol acid; polysaccharides such as dextrin and maltodextrin; vinyl polymers such as carboxyvinyl polymer and alkyl-modified carboxyvinyl polymer; methanol, propanol, isopropyl alcohol, butanol, isobutyl Lower alcohols (1 to 4 carbon atoms) such as alcohol, sec-butyl alcohol, test-butyl alcohol, etc .; and ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl Ether, diethylene glycol monopropyl ether, diethylene glycol monobutyl ether, propylene glycol monoethyl Glycol ethers such as ether, propylene glycol monopropyl ether, dipropylene glycol monoethyl ether, and dipropylene glycol monopropyl ether; glycerin, diglycerin, polyglycerin, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, sorbitol And polyols such as mannitol, trehalose, erythritol, and xylitol.
基剤又は担体は、１種を単独で、又は２種以上を組み合わせて使用できる。 A base or a support | carrier can be used individually by 1 type or in combination of 2 or more types.
添加剤
本発明の外用組成物は、医薬外用剤、医薬部外品、化粧品用の薬学的又は生理学的に許容される添加剤を含むことができる。このような添加剤としては、酸化防止剤、界面活性剤、増粘剤、保存剤、ｐＨ調整剤、安定化剤、刺激軽減剤、防腐剤、着色剤、香料、溶解補助剤等が挙げられる。
添加剤は、１種を単独で、又は２種以上を組み合わせて使用できる。
Additives The external composition of the present invention may contain pharmaceutically or physiologically acceptable additives for pharmaceutical external preparations, quasi-drugs, and cosmetics. Examples of such additives include antioxidants, surfactants, thickeners, preservatives, pH adjusters, stabilizers, irritation reducers, preservatives, colorants, fragrances, and solubilizing agents. .
An additive can be used individually by 1 type or in combination of 2 or more types.
薬理活性成分・生理活性成分
本発明の外用組成物は、ミノキシジル以外の、医薬外用剤、医薬部外品、化粧品用の薬理活性成分又は生理活性成分を含むことができる。このような成分としては、血行促進成分、血管新生促進因子、保湿成分、抗炎症成分、抗菌成分、ビタミン類、ペプチド又はその誘導体、アミノ酸又はその誘導体、細胞賦活化成分、老化防止成分、角質軟化若しくは角質溶解成分、美白成分、収斂成分、血管拡張成分、抗ヒスタミン成分、抗酸化成分、代謝賦活剤、清涼化剤等が挙げられる。また、例えば、スピラノラクトン、センブリエキス、カプサイシノイド、角質増殖因子（ＫＧＦ；ＦＧＦ−７）、グリチルリチン酸塩、グリチルレチン酸、人参エキス等のミノキシジル以外の育毛成分を含むこともできる。
薬理活性成分又は生理活性成分は、１種を単独で、又は２種以上を組み合わせて使用できる。
Pharmacologically active ingredient / physiologically active ingredient The composition for external use of the present invention may contain a pharmacologically active ingredient or physiologically active ingredient for pharmaceutical external preparations, quasi drugs and cosmetics other than minoxidil. Such components include blood circulation promoting components, angiogenesis promoting factors, moisturizing components, anti-inflammatory components, antibacterial components, vitamins, peptides or derivatives thereof, amino acids or derivatives thereof, cell activation components, anti-aging components, keratin softening Alternatively, a keratolytic component, a whitening component, an astringent component, a vasodilator component, an antihistamine component, an antioxidant component, a metabolic activator, a refreshing agent and the like can be mentioned. Further, for example, hair growth ingredients other than minoxidil such as spiranolactone, assembly extract, capsaicinoid, keratin growth factor (KGF; FGF-7), glycyrrhizinate, glycyrrhetinic acid, carrot extract and the like can also be included.
A pharmacologically active ingredient or a physiologically active ingredient can be used individually by 1 type or in combination of 2 or more types.
剤型
本発明の外用組成物の形態は、特に限定されず、液剤、懸濁剤、乳剤、クリーム剤、ゲル剤、リニメント剤、ローション剤、及びエアゾール剤等が挙げられる。また、ミノキシジルを溶解させることができる程度の水を含む場合は軟膏とすることもできる。中でも、液剤、懸濁剤、乳剤、ローション剤、エアゾール剤が好ましく、液剤、ローション剤、エアゾール剤がより好ましい。
クリーム剤、乳剤、及び場合により軟膏剤、エアゾール剤等のように、油性基剤と水性基剤とを含む場合は、Ｗ／Ｏ型でもよく、Ｏ／Ｗ型でもよいが、使用感が良い点で、Ｏ／Ｗ型が好ましい。
製剤は、第１６改正日本薬局方総則に従い、又はこれに準拠して、各成分を混合することにより製造できる。
Dosage Form The form of the composition for external use of the present invention is not particularly limited, and examples thereof include solutions, suspensions, emulsions, creams, gels, liniments, lotions, and aerosols. Moreover, when it contains the water which can melt | dissolve minoxidil, it can also be set as ointment. Among these, a liquid agent, a suspension agent, an emulsion, a lotion agent, and an aerosol agent are preferable, and a liquid agent, a lotion agent, and an aerosol agent are more preferable.
When an oily base and an aqueous base are included, such as creams, emulsions, and, in some cases, ointments, aerosols, etc., they may be W / O type or O / W type, but have a good feeling of use. In this respect, the O / W type is preferable.
The preparation can be produced by mixing each component according to or in accordance with the 16th revised Japanese Pharmacopoeia General Rules.
ｐＨ
本発明の組成物のｐＨは、約６．６以上であり、約６．７以上が好ましく、約６．８以上がより好ましい。この範囲であれば、経時的な組成物の着色が十分に抑制される。
また、本発明の組成物のｐＨは、約８以下であり、約７．４以下が好ましく、約６．９以下がより好ましい。上記範囲であれば、高ｐＨによる頭皮への刺激を避けることができる。また、ミノキシジルが溶解し易くなる。
本発明の組成物のｐＨ範囲としては、約６．６〜８、約６．６〜７．４、約６．６〜６．９、約６．７〜８、約６．７〜７．４、約６．７〜６．９、約６．８〜８、約６．８〜７．４、約６．８〜６．９が挙げられる。
pH
The pH of the composition of the present invention is about 6.6 or higher, preferably about 6.7 or higher, more preferably about 6.8 or higher. If it is this range, coloring of a composition with time will fully be suppressed.
The pH of the composition of the present invention is about 8 or less, preferably about 7.4 or less, more preferably about 6.9 or less. If it is the said range, irritation | stimulation to the scalp by high pH can be avoided. Moreover, it becomes easy to melt | dissolve minoxidil.
The pH range of the composition of the present invention is about 6.6-8, about 6.6-7.4, about 6.6-6.9, about 6.7-8, about 6.7-7. 4, about 6.7 to 6.9, about 6.8 to 8, about 6.8 to 7.4, about 6.8 to 6.9.
ｐＨの調整は、乳酸、乳酸ナトリウム、クエン酸、クエン酸ナトリウム、リンゴ酸、リンゴ酸ナトリウム、コハク酸、コハク酸ナトリウム、酒石酸、酒石酸ナトリウムのような有機酸；リン酸、塩酸、硫酸のような無機酸などのｐＨ調整剤を用いて行えばよい。また、必要に応じて、トリエタノールアミン、ジイソプロパノールアミン、トリイソプロパノールアミンのような有機塩基；水酸化カリウム、水酸化ナトリウムのような無機塩基などのｐＨ調整剤を用いて行えばよい。
ｐＨ調整剤は、１種を単独で、又は２種以上を組み合わせて使用できる。
pH adjustment is possible with organic acids such as lactic acid, sodium lactate, citric acid, sodium citrate, malic acid, sodium malate, succinic acid, sodium succinate, tartaric acid, sodium tartrate; phosphoric acid, hydrochloric acid, sulfuric acid, etc. What is necessary is just to perform using pH adjusters, such as an inorganic acid. Moreover, what is necessary is just to use pH adjusters, such as organic bases, such as a triethanolamine, diisopropanolamine, and triisopropanolamine; inorganic bases, such as potassium hydroxide and sodium hydroxide, as needed.
A pH adjuster can be used individually by 1 type or in combination of 2 or more types.
容器
本発明の外用組成物を充填する容器は特に限定されない。医薬品外用剤、医薬部外品、化粧品用の容器として用いられるものであればよい。
このような容器材質として、例えば、外用組成物との接触面の一部又は全部、好ましくは全部が、ポリオレフィン、アクリル酸樹脂、テレフタル酸エステル、２，６−ナフタレンジカルボン酸エステル、ポリカーボネート、ポリメチルテルペン、フッ素樹脂、ポリ塩化ビニル、ポリアミド、ＡＢＳ樹脂、ＡＳ樹脂、ポリアセタール、変性ポリフェニレンエテル、ポリアリレート、ポリスルホン、ポリイミド、セルロースアセテート、アルミニウム、及びガラスからなる群より選ばれる少なくとも１種の材料で構成されている容器が挙げられる。
Container The container for filling the composition for external use of the present invention is not particularly limited. What is necessary is just to be used as a pharmaceutical external preparation, a quasi-drug, and a container for cosmetics.
As such a container material, for example, a part or all, preferably all, of the contact surface with the composition for external use is polyolefin, acrylic acid resin, terephthalic acid ester, 2,6-naphthalenedicarboxylic acid ester, polycarbonate, polymethyl. Consists of at least one material selected from the group consisting of terpene, fluororesin, polyvinyl chloride, polyamide, ABS resin, AS resin, polyacetal, modified polyphenylene ether, polyarylate, polysulfone, polyimide, cellulose acetate, aluminum, and glass Containers that are used.
中でも、組成物の経時的な着色を一層効果的に抑制できる点で、ポリエチレン（高密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレン、直鎖状低密度ポリエチレン、超高分子量ポリエチレンなどを含む）、ポリプロピレン（アイソタクチックポリプロピレン、シンジオタクチックポリプロピレン、アタクチックポリプロピレンなどを含む）、及びエチレン・プロピレンコポリマーのようなポリオレフィン；ガラス等が好ましく、ポリエチレン、ポリプロピレン、ガラスがより好ましい。 Among them, polyethylene (including high-density polyethylene, low-density polyethylene, ultra-low-density polyethylene, linear low-density polyethylene, ultra-high molecular weight polyethylene, etc.) in that the coloration with time of the composition can be more effectively suppressed. Polypropylene (including isotactic polypropylene, syndiotactic polypropylene, atactic polypropylene, etc.) and polyolefin such as ethylene / propylene copolymer; glass is preferred, and polyethylene, polypropylene, and glass are more preferred.
使用方法
本発明の外用組成物の使用方法は、使用対象の毛髪の状態、頭皮の状態、年齢、性別などによって異なるが、例えば以下の方法とすればよい。
即ち、１日数回（例えば、約１〜５回、好ましくは１〜３回）、適量（例えば、約０．５〜２ｇ、又は０．５〜２ｍｌ）を皮膚（例えば、頭皮）に適用すればよい。また、ミノキシジルの１日使用量が、例えば約１〜１０００ｍｇとなるように組成物を皮膚（例えば、頭皮）に適用すればよい。適用方法は、剤型に合わせて、塗布、又は噴霧等とすればよい。適用期間は、例えば約７日間以上とすればよい。また、育毛効果が十分に得られるまで適用すればよく、例えば６か月以内、少なくとも４か月以内とすればよい。
本発明の外用組成物は、育毛、養毛、又は発毛のために使用できる。
Method of Use The method of using the composition for external use of the present invention varies depending on the condition of the hair to be used, the condition of the scalp, age, sex, etc., but for example, the following method may be used.
That is, several times a day (for example, about 1 to 5 times, preferably 1 to 3 times), an appropriate amount (for example, about 0.5 to 2 g, or 0.5 to 2 ml) is applied to the skin (for example, the scalp). That's fine. Moreover, what is necessary is just to apply a composition to skin (for example, scalp) so that the daily usage-amount of minoxidil may be about 1-1000 mg. The application method may be application or spraying according to the dosage form. The application period may be, for example, about 7 days or longer. Further, it may be applied until the hair-growth effect is sufficiently obtained, for example, within 6 months, at least within 4 months.
The composition for external use of the present invention can be used for hair growth, hair growth, or hair growth.
以下、本発明を実施例を挙げてより詳細に説明するが、本発明はこれらの実施例に限定されるものではない。 EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated in detail, this invention is not limited to these Examples.
結晶析出・着色・使用感の評価
後掲の表１、表２に示す組成に従い、各成分を混合溶解し、５０ｍｌ容量の容器に充填した。容器材質は、原則、ガラスとし、容器材質の影響を検討する場合は、ガラス、ポリエチレン、ポリプロピレン、又はポリエチレンテレフタレート製の容器を用いた。
Evaluation of Crystal Precipitation / Coloring / Usage Feeling Each component was mixed and dissolved according to the composition shown in Tables 1 and 2 below, and filled into a 50 ml container. In principle, the container material was glass, and when the influence of the container material was examined, a container made of glass, polyethylene, polypropylene, or polyethylene terephthalate was used.
低温安定性の評価は、各組成物を４℃の恒温器で約１か月静置した後、目視で結晶析出を観察することにより行った。結晶の析出が認められなかった場合を〇、認められた場合を×とした。 Evaluation of low temperature stability was performed by observing crystal precipitation visually after leaving each composition still at a 4 degreeC thermostat for about 1 month. The case where no precipitation of crystals was observed was marked with ◯, and the case where it was recognized was marked with x.
熱安定性の評価は、各組成物を４０℃の恒温器で約２か月静置した後、目視で黄色の着色の程度を観察することにより行った。着色が認められない場合を−、僅かな着色が認められた場合を＋、着色がより強く認められるごとに、＋の数を増やして表示した。 Evaluation of thermal stability was performed by observing the degree of yellow coloring visually after each composition was allowed to stand for about 2 months in a 40 ° C. thermostat. When the coloring was not recognized,-, when the slight coloring was recognized, +, and whenever the coloring was recognized more strongly, the number of + was increased.
光安定性の評価は、ＳＵＮＴＥＳＴＥＲ ＸＬＳ＋（東洋精機社）を用いて、３０℃以下で、３５０Ｗ／ｍ2を７２時間照射し、目視で黄色の着色の程度を観察することにより行った。着色が認められない場合を−、僅かな着色が認められた場合を＋、着色がより強く認められるごとに、＋の数を増やして表示した。 The light stability was evaluated by irradiating 350 W / m 2 for 72 hours at 30 ° C. or less using SUNTESTER XLS + (Toyo Seiki Co., Ltd.) and visually observing the degree of yellowing. When the coloring was not recognized,-, when the slight coloring was recognized, +, and whenever the coloring was recognized more strongly, the number of + was increased.
使用感の評価は、５名の社内の男性パネリストが、毛髪のある頭部に１ｍｌ塗布し、ベタツキ、製剤の皮膚へのなじみ、臭い、及び塗布後の感触を総合的に判定することで行った。５名中３名以上が使用上の問題がないと判定した場合を〇、５名中１〜２名が使用上の問題がないと判定した場合を△、使用上の問題がないと判定したパネリストが無かった場合を×とした。
結果を、表１、表２に併せて示す。表１、表２の各成分の含有量の単位は重量％である。
Evaluation of the feeling of use was performed by 5 in-house male panelists applying 1 ml to the head with hair, and comprehensively judging stickiness, familiarity of the preparation with the skin, smell, and feel after application. It was. When 3 or more out of 5 judges that there is no problem in use, △ When 1 or 2 out of 5 judges that there is no problem in use △, it was judged that there is no problem in use When there was no panelist, it was set as x.
The results are shown in Tables 1 and 2 together. The unit of the content of each component in Tables 1 and 2 is% by weight.
表１が示すように、ｐHが６．６を下回る比較例１の製剤は、熱及び光に対して不安定で経時的な着色が認められた。これに対して、ｐH６．６以上である実施例１の製剤は、経時的な着色は認められず、低温での結晶析出も認められず、使用感も良好であった。
As shown in Table 1, the preparation of Comparative Example 1 having a pH of less than 6.6 was unstable with respect to heat and light and was colored over time. On the other hand, the formulation of Example 1 having a pH of 6.6 or more showed no coloration with time, no crystal precipitation at low temperature, and good usability.
ＰＥＴ：ポリエチレンテレフタレート
ＰＥ ：ポリエチレン
ＰＰ ：ポリプロピレン
表２が示すように、着色の程度は容器材質の影響を受け、プラスティック容器の中では、ポリエチレン容器、又はポリプロピレン容器を使用した場合、着色が一層効果的に抑制され、ガラス容器を使用した場合は、着色がさらに一層効果的に抑制された。
PET: Polyethylene terephthalate PE: Polyethylene PP: Polypropylene As shown in Table 2, the degree of coloring is affected by the material of the container, and in the plastic container, coloring is more effective when a polyethylene container or a polypropylene container is used. When the glass container was used, the coloring was further effectively suppressed.
本発明の外用組成物は、比較的高濃度のミノキシジルを含みながら、ミノキシジルの低温下での結晶析出が抑制されており、かつ組成物の経時的な着色も抑制されている。さらに、使用感が良好であり、商品価値の高いものである。 Although the composition for external use of the present invention contains a relatively high concentration of minoxidil, crystal precipitation of minoxidil at a low temperature is suppressed, and coloring of the composition over time is also suppressed. Furthermore, the feeling of use is good and the product value is high.
Claims (4)
The composition for external use according to any one of claims 1 to 3, wherein a part or all of the surface in contact with the composition for external use is composed of at least one material selected from the group consisting of polyolefin and glass. An external composition contained in a container.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288090A (en) * | 2000-04-07 | 2001-10-16 | Taisho Pharmaceut Co Ltd | Minoxidil-containing preparations |
| JP2002308737A (en) * | 2001-04-05 | 2002-10-23 | Taisho Pharmaceut Co Ltd | Hair restoration composition |
| JP6199066B2 (en) * | 2013-04-24 | 2017-09-20 | ロート製薬株式会社 | Minoxidil-containing external composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288090A (en) * | 2000-04-07 | 2001-10-16 | Taisho Pharmaceut Co Ltd | Minoxidil-containing preparations |
| JP2002308737A (en) * | 2001-04-05 | 2002-10-23 | Taisho Pharmaceut Co Ltd | Hair restoration composition |
| JP6199066B2 (en) * | 2013-04-24 | 2017-09-20 | ロート製薬株式会社 | Minoxidil-containing external composition |
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