JP4040940B2 - Dye removal agent - Google Patents

Dye removal agent Download PDF

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Publication number
JP4040940B2
JP4040940B2 JP2002263411A JP2002263411A JP4040940B2 JP 4040940 B2 JP4040940 B2 JP 4040940B2 JP 2002263411 A JP2002263411 A JP 2002263411A JP 2002263411 A JP2002263411 A JP 2002263411A JP 4040940 B2 JP4040940 B2 JP 4040940B2
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Japan
Prior art keywords
dyeing
skin
dye
removal agent
agent
Prior art date
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Expired - Lifetime
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JP2002263411A
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Japanese (ja)
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JP2004099514A (en
Inventor
由香 今野
麻央 笠原
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Arimino Co Ltd
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Arimino Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to JP2002263411A priority Critical patent/JP4040940B2/en
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Description

【0001】
【発明が属する技術分野】
本発明は、頭皮やその他の皮膚等、あるいは毛髪に付着した酸化染毛剤によるを染着を除去するための染着除去剤に関する。
【0002】
【従来の技術】
酸化染毛剤、酸性染毛剤あるいは一時塗毛料等の染毛剤による皮膚に対する染着の除去剤として、炭素数12〜18の脂肪酸塩および芳香族アルコールからなる染着除去剤が知られている(例えば、特許文献1参照)。また、酸化染毛剤、酸性染毛剤あるいは一時塗毛料等の染毛剤による皮膚に対する染着の除去剤として、炭素数12〜18の脂肪酸塩および重炭酸塩からなる染着除去剤が知られている(例えば、特許文献2参照)。
【0003】
また、ヘアマニキュア、ヘアカラー等による毛髪及び皮膚への染着を除去対象とするエチレングリコール類及び還元性物質を配合してなり、より好適には、更にカチオン性物質を配合した染着除去剤は知られている(例えば、特許文献3参照)。
また、酸性染料による染着の除去を目的として、カチオン型界面活性剤、還元性物質及びベンジルアルコール及び/又はN−メチルピロリドンを含有し、且つpHが4・0〜9.0である染着除去剤は知られている(例えば、特許文献4参照)。
【0004】
また、酸化染毛剤、酸性染毛剤あるいは一時塗毛料等の染毛剤による皮膚に対する染着の除去剤として、尿素および/またはチオ尿素、および亜硫酸塩および/またはアルカリ成分を配合してなる染着除去剤は知られている(例えば、特許文献5参照)。
また、両性高分子化合物及び/又はカチオン性高分子化合物及びベンジルアルコール及び/又はN−メチルピロリドンを含有し、PHが3.0〜9.0である染着除去剤も知られている(例えば、特許文献6参照)。
【0005】
【特許文献1】
特許第2717484号公報
【特許文献2】
特開平6−271423号公報
【特許文献3】
特開2001−172136号公報
【特許文献4】
特開平11−240818号公報
【特許文献5】
特許第2994565号公報
【特許文献6】
特開平11−335239号公報
【0006】
【発明が解決しようとする課題】
従来、ヘアカラーが酸化染毛剤である場合、染着除去剤の有効成分は還元剤(例えば亜硫酸塩)、またはノニオン界面活性剤であり、かつ染着除去剤のpHはアルカリ領域であった。染着除去剤のpHをアルカリ性領域とする理由は、還元剤がアルカリ性領域でないと不安定であり、かつ皮膚のバリア機能を低下させ染着を除去し易くするためであった。しかしながら、染着除去剤がアルカリ性領域であることにより、皮膚への刺激等の問題もあり、いまだ皮膚に刺激が少なく、かつ酸化染毛剤による染着の除去効果が高い染着除去剤は提供されていない。
本発明は前記技術課題を解決し、皮膚に刺激が少なく、かつ酸化染毛剤による染着の除去効果が高い染着除去剤を提供することにある。
【0007】
【課題を解決するための手段】
本発明は1〜10重量%のグリコール酸および皮膚浸透剤として芳香族アルコールおよび一価の低級アルコールからなり、かつpHが2.5〜4.0の染着除去剤を提供することにより前記技術課題を解決することができた。
【0008】
前記グリコール酸の配合量は、通常、染着除去剤全体に対して0.1%から30重量%程度、好ましくは0.5%から20重量%程度であり、1%から10重量%程度が最も好ましい。配合量が0.1重量%程度より少ない場合には、染着除去効果が充分に得られず、また、30重量%程度より多い場合には、皮膚刺激が強くなり不都合である。
【0009】
皮膚浸透剤としては、ベンジルアルコール、シンナミルアルコール、フェニルエチルアルコール等の芳香族アルコール、およびメタノール、エータノール、プロパノール、イソプロパノール等の低級アルコールなどを挙げることができるが、ベンジルアルコールが皮膚に対する浸透力が大きく特に好都合である。
【0010】
これらの皮膚浸透剤の染着除去剤に対する配合量としては、染着除去剤全重量に対して0.1〜30重量%程度、好ましくは0.5〜20重量%程度であり、さらに好ましくは1〜10重量%程度である。0.1重量%程度より少ないときは、染着除去効果が充分得られず、また、30重量%程度より多いときには皮膚刺激が強くなり好ましくない。
【0011】
本発明の染着除去剤のpHは酸性とすることが必要であり、好ましくpH2.5〜4程度、特にpH3前後が染着除去効果が大きく好都合である。本発明の染着除去剤のpHは該染着除去剤がグリコール酸を必須成分としていることから、特にpH調整剤を使用して調整することなく酸性となるが、酸性に偏りすぎた場合には、必要に応じてモノエタノールアミン、トリエタノールアミン、アンモニア、水酸化ナトリウム、水酸化カリウムなどにより、好ましいpHに調整することができる。
【0012】
本発明の染着除去剤の剤型としては、乳液状、クリーム状、ゲル状、液状、ペースト状、フォーム状またはエアゾールタイブなどを挙げることができるが、ゲル状や液状などにすることが使用し易く便利である。
【0013】
本発明の染着除去剤は、1〜10重量%のグリコール酸および皮膚浸透剤として芳香族アルコールおよび一価の低級アルコールからなるものを指し、該染着除去剤は前記各成分の他にはその基本的な特性に影響を与えるような追加の成分は含有しないが、本発明の効果を損なわない範囲で染着除去剤として慣用の成分は当然に含有することができる。該慣用の成分としては、例えば水、多価アルコールや糖類などの保湿成分、pH調整剤、油性成分、高級アルコール、高級脂肪酸、エステル類、シリコーン類、界面活性剤、噴射剤、香料、防腐剤、紫外線吸収剤、酸化防止剤、等を適宜配合することができる。
【0014】
本発明の染着除去剤は、例えば染毛施術の終了後、該剤を脱脂綿などに含ませて頭皮などの酸化染毛剤が染着している個所に本剤を付着させたまま、しばらくおいて、水洗や軽く拭き取るだけで、充分目的を達成することができる。しかも、拭き取った後の皮膚などは全く刺激はなく、皮膚の乾燥なども見られない。
なお、本発明において、染着とは酸化染毛剤による毛髪の染毛施術に際して、頭皮やその他の皮膚等に付着した酸化染毛剤による付着物を指す。
【0015】
【実施例】
以下、本発明を実施例に基づき、さらに具体的に説明する。但し、本発明の染着除去剤は本実施例のものに限定されるものではない。なお、表の成分量は重量%を表す。
【0016】
実施例1
表1に示す配合量により、予め水とエタノールを混合しておき、これに1,3ブチレングリコールとベンジルアルコールを撹拌・混合したものを撹拌しながら徐々に加え均一になるまで撹拌する。これに、さらにグリコール酸を加え十分撹拌して、最後にトリエタノールアミンを撹拌しながら少量ずつ加えてpHを3に調整し液状の染着除去剤を得た。
【0017】
実施例2〜8
実施例1のグリコール酸に替えて、表1および2に示す有機酸を配合した他は、実施例1と同様にしてそれぞれの染着除去剤を得た。
【0018】
比較例1〜4
表3に示す配合量により、実施例1と同様にして染着除去剤を得た。
酸化染毛剤〔株式会社アリミノ製:商品名アジアンカラー UP 5NATURALの第1剤と第2剤を1:2の割合で混合したもの〕を人の上腕部に塗布して30分放置後、水洗してその部分を染着除去剤のテストに供した。
上記の実施例1から8および比較例1から4に示した染着除去剤(下記表1〜3に示す配合成分で構成される)約1gを脱脂綿に含浸させて酸化染毛剤を塗布した皮膚の部分に添付固定して、3分経過後水洗した。その結果を下記表1〜3に示す。
【0019】
実施例と比較例の結果については以下のとおり評価した。
除去効果について
○・・・完全に除去できた
△・・・やや着色が残っている
×・・・ほとんど除去できない
皮膚刺激について
○・・・刺激を伴わない
△・・・わずかに刺激を感じる
×・・・発赤等を生じ強い刺激を感じる
【0020】
【表1】

Figure 0004040940
【0021】
【表2】
Figure 0004040940
【0022】
【表3】
Figure 0004040940
【0023】
【発明の効果】
本発明により、染着の酸化染毛剤を簡単にかつ充分に除去でき、しかも除去後の皮膚の刺激は無く、かつ、皮膚の乾燥なども見られない染着除去剤が提供された。[0001]
[Technical field to which the invention belongs]
The present invention relates to a dyeing removal agent for removing dyeing caused by an oxidative hair dye attached to scalp, other skin, etc., or hair.
[0002]
[Prior art]
Known as a remover for skin dyeing with hair dyes such as oxidative hair dyes, acidic hair dyes or temporary hair dyes, is a dye remover comprising a fatty acid salt having 12 to 18 carbon atoms and an aromatic alcohol. (For example, refer to Patent Document 1). Further, as a remover for dyeing the skin with a hair dye such as an oxidative hair dye, an acid hair dye or a temporary hair dye, a dye remover comprising a fatty acid salt having 12 to 18 carbon atoms and a bicarbonate is known. (For example, refer to Patent Document 2).
[0003]
In addition, a depigmenting agent comprising a blend of ethylene glycols and a reducing substance to be removed from hair and skin by hair nail polish, hair color, etc., and more preferably a cationic substance. Is known (see, for example, Patent Document 3).
In addition, for the purpose of removing dyeing with an acid dye, dyeing containing a cationic surfactant, a reducing substance and benzyl alcohol and / or N-methylpyrrolidone and having a pH of 4.0 to 9.0 Removers are known (see, for example, Patent Document 4).
[0004]
Also, urea and / or thiourea, and sulfite and / or alkali components are blended as a removal agent for dyeing the skin with hair dyes such as oxidative hair dyes, acid hair dyes or temporary hair dyes. Dye removal agents are known (see, for example, Patent Document 5).
Further, a dyeing removal agent containing an amphoteric polymer compound and / or a cationic polymer compound and benzyl alcohol and / or N-methylpyrrolidone and having a pH of 3.0 to 9.0 is also known (for example, And Patent Document 6).
[0005]
[Patent Document 1]
Japanese Patent No. 2717484 [Patent Document 2]
JP-A-6-271423 [Patent Document 3]
JP 2001-172136 A [Patent Document 4]
Japanese Patent Laid-Open No. 11-240818 [Patent Document 5]
Japanese Patent No. 2994565 [Patent Document 6]
JP-A-11-335239 [0006]
[Problems to be solved by the invention]
Conventionally, when the hair color is an oxidative hair dye, the active ingredient of the dye removal agent is a reducing agent (for example, sulfite) or a nonionic surfactant, and the pH of the dye removal agent is in the alkaline region. . The reason why the pH of the dyeing removal agent is in the alkaline region is that the reducing agent is unstable unless it is in the alkaline region, and the barrier function of the skin is lowered to facilitate removal of the dyeing. However, since the dye removal agent is in the alkaline region, there is a problem such as irritation to the skin, and there is still provided a dye removal agent that is less irritating to the skin and has a high effect of removing the dyeing with the oxidative hair dye. It has not been.
The present invention is to solve the above technical problem and to provide a dyeing removal agent that is less irritating to the skin and has a high effect of removing dyeing with an oxidative hair dye.
[0007]
[Means for Solving the Problems]
The present invention is the technique by which consist lower alcohols aromatic alcohols and monohydric as 1 to 10% by weight of glycolic acid and skin penetration agents, and pH to provide a dyeing Remover 2.5 to 4.0 We were able to solve the problem.
[0008]
The blending amount of the glycolic acid is usually about 0.1% to 30% by weight, preferably about 0.5% to 20% by weight, and about 1% to 10% by weight with respect to the entire dye removal agent. Most preferred. When the blending amount is less than about 0.1% by weight, the dyeing removal effect cannot be sufficiently obtained, and when it is more than about 30% by weight, the skin irritation becomes strong, which is inconvenient.
[0009]
Examples of skin penetrants include aromatic alcohols such as benzyl alcohol, cinnamyl alcohol, and phenylethyl alcohol, and lower alcohols such as methanol, ethanol, propanol, and isopropanol. Large and particularly convenient.
[0010]
The blending amount of these skin penetrants with respect to the dyeing remover is about 0.1 to 30% by weight, preferably about 0.5 to 20% by weight, more preferably with respect to the total weight of the dyeing remover. It is about 1 to 10% by weight. When the amount is less than about 0.1% by weight, the dyeing removal effect cannot be sufficiently obtained, and when the amount is more than about 30% by weight, the skin irritation becomes strong, which is not preferable.
[0011]
The pH of the dyeing removal agent of the present invention needs to be acidic, and is preferably about pH 2.5 to 4, particularly around pH 3, which is advantageous because the dyeing removal effect is large. The pH of the dye removing agent of the present invention is acidic without particularly adjusting using a pH adjuster because the dye removing agent has glycolic acid as an essential component. Can be adjusted to a preferred pH with monoethanolamine, triethanolamine, ammonia, sodium hydroxide, potassium hydroxide or the like, if necessary.
[0012]
Examples of the dosage form of the dyeing removal agent of the present invention include emulsions, creams, gels, liquids, pastes, foams, aerosols, and the like. Easy to do and convenient.
[0013]
The dyeing remover of the present invention refers to one consisting of 1 to 10% by weight of glycolic acid and a skin penetrant comprising an aromatic alcohol and a monovalent lower alcohol. No additional components that affect the basic characteristics are contained, but naturally used components as a dyeing removal agent can be contained as long as the effects of the present invention are not impaired. Examples of the conventional components include water, moisturizing components such as polyhydric alcohols and sugars, pH adjusters, oily components, higher alcohols, higher fatty acids, esters, silicones, surfactants, propellants, fragrances, preservatives. , Ultraviolet absorbers, antioxidants, and the like can be appropriately blended.
[0014]
The dyeing remover of the present invention, for example, after the end of the hair dyeing treatment, contains the agent in absorbent cotton or the like, and keeps the agent attached to the site where the oxidation hair dye such as the scalp is dyed. In this case, the object can be sufficiently achieved only by washing with water or lightly wiping. Moreover, the skin after wiping off is not irritated and the skin is not dried.
In the present invention, the term “dyeing” refers to an adherent of an oxidative hair dye attached to the scalp or other skin during hair dyeing with an oxidative hair dye.
[0015]
【Example】
Hereinafter, the present invention will be described more specifically based on examples. However, the dyeing removal agent of the present invention is not limited to that of the present example. In addition, the component amount of a table | surface represents weight%.
[0016]
Example 1
According to the blending amounts shown in Table 1, water and ethanol are mixed in advance, and a mixture of 1,3 butylene glycol and benzyl alcohol stirred and mixed is gradually added while stirring until uniform. Glycolic acid was further added and stirred sufficiently. Finally, triethanolamine was added little by little with stirring to adjust the pH to 3 to obtain a liquid dye removing agent.
[0017]
Examples 2-8
In place of the glycolic acid of Example 1, organic dyes shown in Tables 1 and 2 were blended to obtain respective dyeing removal agents in the same manner as in Example 1.
[0018]
Comparative Examples 1-4
A dyeing removal agent was obtained in the same manner as in Example 1 with the blending amounts shown in Table 3.
Apply an oxidative hair dye [made by Arimino Co., Ltd .: Brand name Asian Color UP 5 NATURAL 1st and 2nd ingredients in a ratio of 1: 2] to the upper arm of a person, leave it for 30 minutes, then wash with water Then, the portion was subjected to a test for a dyeing remover.
Absorbent cotton was impregnated with about 1 g of the dyeing removal agent (consisting of the blending components shown in Tables 1 to 3 below) shown in Examples 1 to 8 and Comparative Examples 1 to 4, and an oxidative hair dye was applied. It was attached and fixed to the skin part, and washed with water after 3 minutes. The results are shown in Tables 1 to 3 below.
[0019]
About the result of the Example and the comparative example, it evaluated as follows.
About removal effect ○ ・ ・ ・ Completely removed △ ・ ・ ・ Slightly colored ×× ・ ・ ・ Skin irritation almost impossible to remove ○ ・ ・ ・ No irritation △ ・ ・ ・ Slight irritation ×・ ・ ・ Reddening and feeling strong irritation [0020]
[Table 1]
Figure 0004040940
[0021]
[Table 2]
Figure 0004040940
[0022]
[Table 3]
Figure 0004040940
[0023]
【The invention's effect】
According to the present invention, there has been provided a dye remover which can easily and sufficiently remove a dyed oxidative hair dye, which does not cause irritation of the skin after removal, and which does not cause dryness of the skin.

Claims (2)

1〜10重量%のグリコール酸および皮膚浸透剤として芳香族アルコールおよび一価の低級アルコールからなり、かつpHが2.5〜4.0の染着除去剤。 Consists lower alcohols aromatic alcohols and monohydric as 1 to 10% by weight of glycolic acid and skin penetration agents, and pH is dyeing Remover 2.5 to 4.0. 皮膚浸透剤がベンジルアルコールとエタノールであることを特徴とする請求項1記載の染着除去剤。The dyeing remover according to claim 1, wherein the skin penetrant is benzyl alcohol and ethanol.
JP2002263411A 2002-09-09 2002-09-09 Dye removal agent Expired - Lifetime JP4040940B2 (en)

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