JP5002091B2 - Hair dye composition - Google Patents
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- JP5002091B2 JP5002091B2 JP2001124257A JP2001124257A JP5002091B2 JP 5002091 B2 JP5002091 B2 JP 5002091B2 JP 2001124257 A JP2001124257 A JP 2001124257A JP 2001124257 A JP2001124257 A JP 2001124257A JP 5002091 B2 JP5002091 B2 JP 5002091B2
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- hair
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Description
【０００１】
【発明の属する技術分野】
本発明は、空気中の酸素を利用した、栗色から黒色にかけての色合いの得られる染毛剤組成物に関する。
【０００２】
【従来の技術】
５位及び６位に水酸基が置換したインドリン誘導体及びインドール誘導体は、空気中の酸素によりメラニン色素に変換することが知られている。例えば、特許第2996724号公報には、ケラチン繊維用の酸化染料として5,6-ジヒドロキシインドリンの使用が提案されており、色合いを改良するために、他の既知の酸化染料中間体と共に使用することが記載されている。5,6-ジヒドロキシインドリンを用いた染毛剤の色合いを改良するその他の方法としては、特表平7-501062号公報に通常の酸化染料や酸化染料前駆物質との併用が、WO93/09758に天然染料との併用が提案されている。またWO99/06016には、塩基性化剤としてアンモニアのみを使用し、染料前駆物質として5,6-ジヒドロキシインドリンを単独で使用した場合における赤みのある色合いを抑制するために、染料前駆物質のカップリング成分、好ましくは2,4-ジアミノフェノキシエタノール等と併用することが提案されている。
【０００３】
しかしながら、染料前駆物質としてインドリン誘導体を単独で使用し、栗色から黒色にかけての色合いを生み出す技術は知られていない。
【０００４】
【発明が解決しようとする課題】
従って本発明は、染料前駆物質としてインドリン誘導体のみを使用し、東洋人の白髪を隠蔽するのに好適な、自然な栗色から黒色にかけての色合いに染毛できる染毛剤組成物を提供することを目的とする。
【０００５】
【課題を解決するための手段】
本発明者らは、インドリン誘導体と共に、アルカリ剤としてアルカノールアミンとアンモニアを適当な混合比で共存させれば、驚くべきことに、自然な栗色から黒色の色合いの、染色力に優れた染毛剤が得られることを見出した。
【０００６】
すなわち本発明は、次の一般式(1)
【０００７】
【化２】
〔式中、 Ｒ1、Ｒ4及びＲ5はそれぞれ水素原子、炭素数１〜４のアルキル基又は炭素数２〜20のアシル基を示し、Ｒ2及びＲ3はそれぞれ水素原子又は炭素数１〜４のアルキル基を示す。〕
で表されるインドリン誘導体又はその塩、並びにアルカリ剤としてアルカノールアミン及びアンモニアを含有する染毛剤組成物を提供するものである。
【０００９】
【発明の実施の形態】
本発明で使用されるインドリン誘導体(1)としては、5,6-ジヒドロキシインドリン、N-メチル-5,6-ジヒドロキシインドリン、N-エチル-5,6-ジヒドロキシインドリン、N-ブチル-5,6-ジヒドロキシインドリン、5-メトキシ-6-ヒドロキシインドリン、2-メチル-5,6-ジヒドロキシインドリン、3-メチル-5,6-ジヒドロキシインドリン、5-ヒドロキシ-6-メトキシインドリン等が挙げられ、なかでも5,6-ジヒドロキシインドリンが好ましい。またこれらインドリン誘導体の塩としては、塩酸塩、臭化水素酸塩、硫酸塩、リン酸塩、酢酸塩、プロピオン酸塩、乳酸塩、クエン酸塩等が挙げられ、なかでも臭化水素酸塩が好ましい。すなわち、インドリン誘導体(1)又はその塩の最も好ましいものとして、5,6-ジヒドロキシインドリンの臭化水素酸塩が挙げられる。なお、5,6-ジヒドロキシインドリンは、5,6-ジアシルオキシインドリンの形で染毛剤組成物に配合し、塩基性条件下、加水分解することにより生じさせてもよい。
【００１０】
インドリン誘導体(1)又はその塩は、１種以上を使用することができ、その含有量は、東洋人の白髪を隠蔽するのに好適な、自然な栗色から黒色にかけての色合いに染色する点から、本発明の染毛剤組成物の0.01〜10重量％、特に0.1〜５重量％が好ましい。
【００１１】
本発明では、アルカリ剤としてアルカノールアミンとアンモニアを併用する。アルカリ剤としてアンモニアを単独で使用した場合には、赤みの強い色合いとなり東洋人の白髪を隠蔽するには有効でない。アンモニアとアルカノールアミンを適宜混合することにより、赤みのない自然な栗色から黒色にかけての色合いが得られる。アルカノールアミンとしては、モノ−、ジ−及びトリエタノールアミン並びにそれらの誘導体が挙げられるが、染色力の点から、モノエタノールアミン、イソプロパノールアミン、特にモノエタノールアミンが好ましい。アルカノールアミンは、１種以上を使用することができる。
【００１２】
アルカノールアミンとアンモニアとの重量比は、東洋人の白髪を隠蔽するのに好適な、自然な栗色から黒色にかけての色合いに染色する点から、１対99〜99対１、特に99対１〜15対85が好ましい。アンモニアに対するアルカノールアミンの重量比を大きくすれば黒色が強くなり、アルカノールアミンに対するアンモニアの重量比を大きくすれば栗色が強くなることから、染毛剤組成物中のアルカノールアミンとアンモニアとの含有量の比率を調整することにより、所望の色合いが得られる。すなわち、染料としてインドリン誘導体(1)又はその塩を含有する染毛剤組成物を毛髪に適用し、当該化合物を空気中の酸素と反応させることにより染毛する方法において、当該染毛剤組成物に含まれるアルカリ剤としてアルカノールアミン及びアンモニアを併用し、かつこれら２種のアルカリ剤の比率を調整することにより、栗色から黒色にかけての所望の染毛色を得ることができる。
【００１３】
アルカノールアミンとアンモニアを合わせたアルカリ剤としての総含有量は、十分な染色力の点及び皮膚に対する作用が穏和な点から、本発明の染毛剤組成物の0.01〜20重量％、特に0.１〜10重量％が好ましい。
【００１４】
インドリン誘導体(1)又はその塩は、塩基性条件で空気中の酸素と反応しメラニン色素に変換される。このため、本発明の染毛剤組成物のpHを、８〜12の範囲、特に8.5〜11の範囲に調整するのが好ましい。
【００１５】
本発明の染毛剤組成物は、クリーム、ゲル、ローション、フォーム等の形態をとることができ、エアゾールの形で包装するのが安定性の点から好ましい。また、徐染性タイプとするには、例えば、染毛剤組成物を毛髪に塗布した後、１〜10分間放置し、この操作を２〜数回繰り返すことにより、人に気づかれず徐々に白髪を目だたなくすることができる。
【００１６】
本発明の染毛剤組成物には、前記必須成分のほか、通常の染毛剤に用いられる成分、例えば界面活性剤、増粘剤、安定化剤、緩衝剤、香料、感触向上剤、キレート剤、可溶化剤、防腐剤等を、目的に応じ、適宜配合することができる。
【００１７】
【実施例】
実施例１〜３，比較例１
表１に示す組成のジェルを調製し、白髪に適用し、30℃、15分染色した。その後水洗、シャンプー、ヘアリンス、次いで乾燥した。染め上がりの色合いを表１に併せて示す。
【００１８】
【表１】
実施例４〜６、比較例２
表２に示す組成のジェルを調製し、実施例１〜３及び比較例１と同様の染色、洗浄、乾燥操作を５回繰り返した。５回染色後の色合いを表２に併せて示す。
【００２０】
【表２】
【発明の効果】
本発明の染毛剤組成物は、染料前駆物質としてインドリン誘導体のみを使用し、東洋人の白髪を隠蔽するのに好適な、自然な栗色から黒色にかけての色合いに染毛できる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hair dye composition that can obtain a hue from maroon to black using oxygen in the air.
[0002]
[Prior art]
It is known that indoline derivatives and indole derivatives substituted with hydroxyl groups at the 5th and 6th positions are converted into melanin pigments by oxygen in the air. For example, Japanese Patent No. 2996724 proposes the use of 5,6-dihydroxyindoline as an oxidative dye for keratin fibers and should be used with other known oxidative dye intermediates to improve color. Is described. As another method for improving the color of hair dyes using 5,6-dihydroxyindoline, Japanese Patent Publication No. 7-501062 discloses a combination with ordinary oxidation dyes and oxidation dye precursors in WO93 / 09758. Combination with natural dyes has been proposed. WO99 / 06016 also describes a dye precursor cup to suppress reddish hues when ammonia alone is used as the basifying agent and 5,6-dihydroxyindoline alone is used as the dye precursor. It has been proposed to use in combination with a ring component, preferably 2,4-diaminophenoxyethanol and the like.
[0003]
However, there is no known technology that uses an indoline derivative alone as a dye precursor to produce a hue from maroon to black.
[0004]
[Problems to be solved by the invention]
Accordingly, the present invention provides a hair dye composition that uses only an indoline derivative as a dye precursor and is suitable for concealing Oriental white hair, and can be dyed in a natural maroon to black hue. Objective.
[0005]
[Means for Solving the Problems]
When the present inventors coexist with an indoline derivative together with an alkanolamine and ammonia as an alkali agent in an appropriate mixing ratio, surprisingly, a hair dye having a natural maroon to black hue and excellent dyeing power. It was found that can be obtained.
[0006]
That is, the present invention provides the following general formula (1)
[0007]
[Chemical formula 2]
[Wherein R 1 , R 4 and R 5 each represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or an acyl group having 2 to 20 carbon atoms, and R 2 and R 3 each represent a hydrogen atom or 1 carbon atom. -4 alkyl groups are shown. ]
The hair dye composition containing an alkanolamine and ammonia as an alkali agent and an indoline derivative represented by the formula (1) or a salt thereof.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Examples of the indoline derivative (1) used in the present invention include 5,6-dihydroxyindoline, N-methyl-5,6-dihydroxyindoline, N-ethyl-5,6-dihydroxyindoline, N-butyl-5,6 -Dihydroxyindoline, 5-methoxy-6-hydroxyindoline, 2-methyl-5,6-dihydroxyindoline, 3-methyl-5,6-dihydroxyindoline, 5-hydroxy-6-methoxyindoline, etc. 5,6-dihydroxyindoline is preferred. Examples of salts of these indoline derivatives include hydrochloride, hydrobromide, sulfate, phosphate, acetate, propionate, lactate, citrate, etc. Among them, hydrobromide Is preferred. That is, the most preferable example of the indoline derivative (1) or a salt thereof is 5,6-dihydroxyindoline hydrobromide. 5,6-dihydroxyindoline may be produced by blending it in the hair dye composition in the form of 5,6-diacyloxyindoline and hydrolyzing it under basic conditions.
[0010]
One or more of the indoline derivative (1) or a salt thereof can be used, and its content is suitable for concealing Oriental white hair and is dyed in a natural maroon to black hue. The hair dye composition of the present invention is preferably 0.01 to 10% by weight, particularly preferably 0.1 to 5% by weight.
[0011]
In the present invention, alkanolamine and ammonia are used in combination as an alkali agent. When ammonia is used alone as an alkaline agent, it has a strong reddish color and is not effective in hiding Oriental white hair. By appropriately mixing ammonia and alkanolamine, a natural reddish brown color to black can be obtained. Examples of the alkanolamine include mono-, di-, and triethanolamine and derivatives thereof. From the viewpoint of dyeing power, monoethanolamine, isopropanolamine, and particularly monoethanolamine are preferable. One or more alkanolamines can be used.
[0012]
The weight ratio of alkanolamine to ammonia is 1 to 99 to 99, particularly 99 to 1 to 15 in terms of dyeing in a natural maroon to black hue suitable for concealing Oriental white hair. Pair 85 is preferred. Increasing the weight ratio of alkanolamine to ammonia increases the black color, and increasing the weight ratio of ammonia to alkanolamine increases the maroon color, so the content of alkanolamine and ammonia in the hair dye composition By adjusting the ratio, a desired hue can be obtained. That is, in the method of applying a hair dye composition containing the indoline derivative (1) or a salt thereof as a dye to the hair and dyeing the hair by reacting the compound with oxygen in the air, the hair dye composition By using alkanolamine and ammonia in combination as the alkali agent contained in and adjusting the ratio of these two kinds of alkali agents, a desired hair color from chestnut to black can be obtained.
[0013]
The total content of the alkanolamine and ammonia combined as an alkaline agent is 0.01 to 20% by weight of the hair dye composition of the present invention, particularly 0. 1 to 10% by weight is preferred.
[0014]
Indoline derivative (1) or a salt thereof reacts with oxygen in the air under basic conditions and is converted to a melanin pigment. For this reason, it is preferable to adjust pH of the hair dye composition of this invention to the range of 8-12, especially the range of 8.5-11.
[0015]
The hair dye composition of the present invention can take the form of cream, gel, lotion, foam and the like, and is preferably packaged in the form of aerosol from the viewpoint of stability. In order to obtain a gradual dyeing type, for example, after applying the hair dye composition to the hair, it is allowed to stand for 1 to 10 minutes, and this operation is repeated 2 to several times so that it is gradually not noticed by humans and gradually becomes gray hair. Can be unobtrusive.
[0016]
In addition to the above essential components, the hair dye composition of the present invention includes components used for ordinary hair dyes, such as surfactants, thickeners, stabilizers, buffers, fragrances, feel improvers, chelating agents. Agents, solubilizers, preservatives and the like can be appropriately blended depending on the purpose.
[0017]
【Example】
Examples 1 to 3, Comparative Example 1
Gels having the composition shown in Table 1 were prepared, applied to gray hair, and dyed at 30 ° C. for 15 minutes. Thereafter, it was washed with water, shampooed, hair rinsed, and then dried. The shades after dyeing are also shown in Table 1.
[0018]
[Table 1]
Examples 4-6, Comparative Example 2
Gels having the compositions shown in Table 2 were prepared, and the same dyeing, washing and drying operations as in Examples 1 to 3 and Comparative Example 1 were repeated 5 times. Table 2 shows the shades after the fifth dyeing.
[0020]
[Table 2]
【Effect of the invention】
The hair dye composition of the present invention uses only an indoline derivative as a dye precursor, and can dye hair in a natural maroon to black color suitable for concealing Oriental white hair.
Claims (2)
で表されるインドリン誘導体又はその塩、並びに重量比１対99〜99対１のアルカノールアミン及びアンモニアからなるアルカリ剤を含有する、東洋人の白髪の隠蔽に用いられる染毛剤組成物。The following general formula (1)
A hair dye composition used for concealing oriental gray hair, comprising an indoline derivative represented by the formula (I) or a salt thereof, and an alkali agent comprising alkanolamine and ammonia in a weight ratio of 1 to 99 to 99 to 1.
で表されるインドリン誘導体又はその塩を含有する染毛剤組成物を東洋人の白髪に適用し、当該化合物を空気中の酸素と反応させることにより染毛する方法において、当該染毛剤組成物に含まれるアルカリ剤としてアルカノールアミン及びアンモニアを併用し、かつこれら２種のアルカリ剤の比率を重量比１対99〜99対１の範囲内で調整することにより、栗色から黒色にかけての所望の染毛色を得る染毛方法。The following general formula (1)
In the method of dyeing hair by applying the hair dye composition containing the indoline derivative represented by the formula or a salt thereof to oriental white hair and reacting the compound with oxygen in the air, the hair dye composition By using alkanolamine and ammonia together as the alkali agent contained in the mixture, and adjusting the ratio of these two alkali agents within a weight ratio of 1:99 to 99: 1, the desired dyeing from maroon to black Hair dyeing method to obtain hair color.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001124257A JP5002091B2 (en) | 2001-04-23 | 2001-04-23 | Hair dye composition |
| EP20020008285 EP1254650B1 (en) | 2001-04-23 | 2002-04-22 | Hair dye composition |
| DE2002621179 DE60221179T2 (en) | 2001-04-23 | 2002-04-22 | Hair Dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001124257A JP5002091B2 (en) | 2001-04-23 | 2001-04-23 | Hair dye composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002322039A JP2002322039A (en) | 2002-11-08 |
| JP5002091B2 true JP5002091B2 (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001124257A Expired - Lifetime JP5002091B2 (en) | 2001-04-23 | 2001-04-23 | Hair dye composition |
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| Country | Link |
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| JP (1) | JP5002091B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7478536B2 (en) * | 2019-12-25 | 2024-05-07 | 花王株式会社 | How to dye your hair |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2662701B1 (en) * | 1990-05-31 | 1997-07-18 | Oreal | TINCTORIAL COMPOSITION BASED ON 5,6-DIHYDROXYINDOLINES AND METHOD FOR DYEING KERATINIC FIBERS. |
| FR2769835B1 (en) * | 1997-10-22 | 1999-11-26 | Oreal | KERATINIC FIBER OXIDATION DYE COMPOSITION AND DYEING METHOD USING THE SAME |
| CN1216591C (en) * | 1998-06-23 | 2005-08-31 | 汉高两合股份公司 | Colorant for colouring keratin fibres |
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| JP2002322039A (en) | 2002-11-08 |
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