JP2004352688A - Antiseptic agent - Google Patents

Antiseptic agent Download PDF

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Publication number
JP2004352688A
JP2004352688A JP2003154491A JP2003154491A JP2004352688A JP 2004352688 A JP2004352688 A JP 2004352688A JP 2003154491 A JP2003154491 A JP 2003154491A JP 2003154491 A JP2003154491 A JP 2003154491A JP 2004352688 A JP2004352688 A JP 2004352688A
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Prior art keywords
preservative
decanediol
composition
antiseptic
antiseptic agent
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Japanese (ja)
Inventor
Hiromi Kubota
浩美 久保田
Koji Tsugukuni
孝司 継国
Sayaka Inaba
さやか 稲葉
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Kao Corp
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Kao Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Cosmetics (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an antiseptic agent composition effective for decreasing the amount of an antiseptic agent while keeping the antiseptic power of the antiseptic agent and having improved safety and an external preparation composition containing the antiseptic agent composition, especially an antiseptic agent composition effective for remarkably decreasing the amount of an antiseptic agent while keeping the antiseptic power and having improved antiseptic property and safety and an external preparation composition containing the antiseptic agent composition. <P>SOLUTION: The antiseptic agent composition contains an antiseptic agent and 1,2-decanediol. The external preparation composition contains the antiseptic agent composition. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は防腐剤の防腐力を確保したまま防腐剤の使用量が低減され、安全性が高められた防腐剤組成物及びこれを含有する外用剤組成物に関する。
【0002】
【従来の技術及び発明が解決しようとする課題】
化粧品や外用医薬品等の外用剤には、製造時や保存時における防腐防黴性を確保するために、パラオキシ安息香酸エステル(パラベン類)や2−フェノキシエタノール等の防腐剤が配合されている。斯かるパラベン類や2−フェノキシエタノールは、外用剤において用いられる防腐手段としては、安全性及び有効性に優れたものである。しかしながら、近年これらの防腐剤に対して敏感で、皮膚刺激感を訴える人がいること、また今日、化粧品等の分野では、肌に優しくより安全性の高い組成物を求める傾向が一層高まっていることから、パラベン類や2−フェノキシエタノール等の防腐剤の配合量を低減しようという試みが種々行われている。
【0003】
例えば、パラベンと1,3−ブチレングリコールや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を併用することによりパラベンの使用量を低減する方法や、1,2−ペンタンジオール、1,2−ヘキサンジオール、1,2−オクタンジオール等の1,2−アルカンジオール類と、パラベンや2−フェノキシエタノール等とを組み合わせて使用した場合に、防腐力を確保しつつ、防腐剤の使用量を低減できることが報告されている(例えば、特許文献1、特許文献2、特許文献3参照)。
【0004】
しかしながら、斯かる防腐剤と他物質の併用による抗菌力の増強効果は未だ充分なものとは云えず、防腐剤の使用量の大幅な低減には至っていない。
【0005】
本発明は、防腐力を確保したまま防腐剤の使用量が大幅に低減され、防腐性及び安全性が高められた防腐剤組成物、及び当該防腐剤組成物を含有する外用剤組成物を提供することを目的とする。
【0006】
【特許文献1】
特開平11−322591号公報
【特許文献2】
特開平11−310506号公報
【特許文献3】
特開平10−53510号公報
【0007】
【課題を解決するための手段】
本発明者らは、防腐剤の防腐力を高める成分について検討したところ、保湿剤や感触調整剤等として利用可能な1,2−デカンジオールを2−フェノキシエタノール、パラベン類等の防腐剤と組み合わせて用いた場合に、これら防腐剤の防腐効果を顕著に高め、その使用量を大幅に低減できることを見出した。
【0008】
すなわち本発明は、防腐剤及び1,2−デカンジオールを含有する防腐剤組成物を提供するものである。
【0009】
また本発明は、上記防腐剤組成物を含有する外用剤組成物を提供するものである。
【0010】
また本発明は、防腐剤に、防腐助剤として1,2−デカンジオールを添加する防腐方法を提供するものである。
【0011】
更に本発明は、防腐剤を含有する組成物中に、1,2−デカンジオールを0.001〜5.0質量%共存させることを特徴とする当該防腐剤の使用量の低減方法を提供するものである。
【0012】
【発明の実施の形態】
本発明において用いられる1,2−デカンジオールは、保湿剤、感触調整剤として化粧品等に広く配合可能であり、また、乳化助剤や用剤としての用途も考えうるものであり、その安全性は極めて高い。斯かる1,2−デカンジオールは、後述するように、防腐剤の防腐効果を高め、それらの使用量を低減するための防腐助剤となり得る。
【0013】
本発明において用いられる防腐剤としては、微生物の増殖を抑制し、製品の微生物的変質を防止することを目的として化粧品、皮膚外用剤、医薬品、医薬部外品、洗浄剤、食品等に添加するもの、例えば、パラベン類、2−フェノキシエタノール、安息香酸及びその塩類、サルチル酸及びその塩類、ソルビン酸及びその塩類、デヒドロ酢酸及びその塩類、p−トルエンスルホン酸及びその塩、エタノールやイソプロパノールなどのアルコール類、多価アルコール類、塩化ベンザルコニウムなどの第四級アンモニウム塩等が挙げられる。
このうち、本発明の効果の点から、パラベン類、2−フェノキシエタノールが特に好ましい。
【0014】
ここで、パラベン類としては、パラオキシ安息香酸エステル及びこれらの塩が挙げられる。具体的には、メチルパラベン、エチルパラベン、プロピルパラベン、ブチルパラベン及びこれらの塩等が挙げられ、これらの1種以上を用いるのが好ましい。これらは、通常化粧品等の外用剤組成中には、その剤型に応じて総和1質量%以下で使用可能である。
また、2−フェノキシエタノールは、パラベン類と同様に、防腐剤又は防腐剤助剤として通常化粧品等の外用剤組成中には、その剤型に応じて1質量%以下で使用可能である。
【0015】
上記の1,2−デカンジオール及び防腐剤は、いずれも公知の方法を用いて製造することができ、市販品を用いることも可能である。例えば、1,2−デカンジオールとしては1,2−デカンジオール(東京化成工業社製)、パラベン類としてはパラオキシ安息香酸メチル(吉富製薬株式会社製)、2−フェノキシエタノールとしてはハイソルブEPH(東邦化学工業社製)を用いることができる。
【0016】
後記実施例からも明らかなように、1,2−デカンジオールとパラベン類又は2−フェノキシエタノールを組み合わせると、その防腐力はパラベン類又は2−フェノキシエタノールを単独で用いた場合に比べて、極めて顕著に増強される。従って、1,2−デカンジオールはパラベン類又は2−フェノキシエタノール等の防腐剤の防腐効果を高め、それらの使用量を低減するための防腐助剤として有用である。すなわち、1,2−デカンジオールを防腐助剤として用いることにより、例えばパラベン類、2−フェノキシエタノール等の防腐剤の使用量を20〜99%低減することができる。
そして、1,2−デカンジオールと防腐剤を組み合わせた場合の防腐剤の防腐力は、他の1,2−アルカンジオールと防腐剤を組み合わせた場合と比較して遙かに優れている。特に、1,2−デカンジオールとパラベン類又は2−フェノキシエタノールを組み合わせた場合の防腐力は、1,2−ペンタンジオール、1,2−ヘキサンジオール、1,2−オクタンジオール等の1,2−アルカンジオールとこれらを組み合わせた場合と比較して、遙かに優れ、また細菌のみならず、酵母やカビ等の真菌類に対しても優れた抗菌作用を示す(実施例2)。
【0017】
1,2−デカンジオールと防腐剤を組み合わせた本発明の防腐剤組成物における1,2−デカンジオールの配合量は、0.001〜5.0質量%が好ましく、0.01〜1.0質量%がより好ましく、0.01〜0.1質量%が特に好ましい。
また、1,2−デカンジオールと防腐剤との配合割合は、剤型や形態に応じて適宜決定すれば良いが、1,2−デカンジオール1質量に対し防腐剤は0.1〜200質量であるのが好ましい。
【0018】
本発明の外用剤組成物は、上記の防腐剤組成物、すなわち防腐剤及び1,2−デカンジオールを含有してなる外用剤組成物であり、具体的には基礎化粧料,メーキャップ化粧料、毛髪用化粧料等の化粧料や、軟膏剤等の種々の医薬品又は医薬部外品等を挙げることができる。
【0019】
斯かる外用剤組成物における1,2−デカンジオールの含有量は、0.001質量%以上とするのが好ましく、更に0.01〜5質量%、特に好ましくは0.05〜1質量%である。1,2−デカンジオールの配合の上限は外用剤組成物の性質や形態によって適宜決定されるが、5質量%を越えると、べたついた使用感を伴う等、外用剤組成物の使用性が悪化する傾向にあり好ましくない。
【0020】
防腐剤は、防腐効果を確保する観点から、外用剤組成中に0.01〜0.8質量%含有させればよく、特に、パラベン類については、好ましくは0.05〜0.5質量%、特に0.05〜0.4質量%の範囲で含有させるのが好ましい。すなわち、パラベン類は、剤型によってその使用量は異なるものの、各剤型や処方での通常の使用量に比べて、20〜99%の削減が可能となる。
また、2−フェノキシエタノールについては、好ましくは0.05〜0.6質量%、特に0.1〜0.5質量%の範囲で含有させるのが好ましい。すなわち、2−フェノキシエタノールは、剤型によってその使用量は異なるものの、各剤型や処方での通常の使用量に比べて、20〜99%の削減が可能となる。
【0021】
このようにして、1,2−デカンジオールとパラベン類、2−フェノキシエタノール等の防腐剤を組み合わせて外用剤組成物中に配合することにより、当該組成物の防腐性を確保しつつ、安全性を著しく向上させることができ、同時に使用感や乳化安定性等の向上も図ることができる。
【0022】
本発明の外用剤組成物には、使用目的に応じて、保湿剤,紫外線防御剤,ビタミン類,動植物抽出成分,消炎剤,美白剤,血管拡張剤,収斂剤,清涼剤,ホルモン剤、しわ改善剤、鎮痛消炎剤、鎮痒剤、殺菌消毒剤、収斂剤、皮膚軟化剤等の成分を適宜配合することができる。
【0023】
本発明の外用剤組成物は、化粧料、医薬品、医薬部外品等の態様で使用されるが、剤型としては水溶液系、可溶化系、乳化系、ゲル系、ペースト系、軟膏系、エアゾール系、水−油2層系、水−油−粉末3層系、に利用される。すなわち、化粧料としては、例えば、クリーム、化粧乳液、化粧水、エッセンス、サンスクリーン口紅、ファンデーション、マスカラ、アイライナー、パック、マスク、入浴剤、皮膚洗浄剤、爪手入れ剤等に、毛髪化粧料としては、例えばヘアトニック、整髪料、ヘアリンス、ヘアトリートメント、ヘアコンディショナー、ヘアスタイリング剤、シャンプー、養毛剤、育毛剤等に適用可能である。また、医薬品又は医薬部外品であれば、各種の軟膏剤等の形態に広く適用が可能である。
【0024】
本発明の外用剤組成物には、上記の剤型及び形態に応じて公知の基剤成分、例えば油分、高級脂肪酸,アルコール類、シリコーン類、界面活性剤、水溶性高分子、キレート剤、pH調整剤、増粘剤、粉末成分、色素、香料、水分等を必要に応じて適宜配合することができる。
【0025】
【実施例】
以下、本発明を実施例により更に詳細に説明する。
実施例1 1,2−デカンジオールとメチルパラベンの組み合わせによる抗菌力の相乗効果
定量的細菌懸濁法(British Standards Institution : Method for laboratory evaluation of disinfectant activity of QAC.BS3286, 1960)により、下記の表1に示した組成の溶液2mLを用いて大腸菌(Escherichia coli IFO3972)に対する抗菌力を評価した。結果を図1に示す。
【0026】
【表1】

Figure 2004352688
【0027】
実施例2 1,2−デカンジオール、1,2−ヘキサンジオール、1,2−ペンタンジオールとメチルパラベンの組み合わせによる抗菌力と他のアルカンジオールとの組み合わせによる抗菌力の比較
定量的細菌懸濁法(British Standards Institution : Method for laboratory evaluation of disinfectant activity of QAC.BS3286, 1960)により下記表2に示した組成の溶液2mLを用いて大腸菌(Escherichia coli IFO3972)に対する抗菌力を評価した。結果を図2〜図4に示す。
【0028】
【表2】
Figure 2004352688
【0029】
実施例3 防腐力判定試験
下記表3及び4に示す試料50gを用い、細菌及びカビを用いて保存効力試験を行った。4週間経過時までの菌数変化により、防腐力を判断した。なお、ここで使用した菌株は、細菌として、スタフィロコッカス アウレウス(Staphylococcus aureus)、エシェリシア コリ(Escherichia coli)、シュードモナス エアルギノーザ(Psedomonas aeruginosa)、カビとして、アスペルギウス ニガー(Aspergillus niger)、ペニシリウム シトリナム(Penicillium citrinum)クラドスポリウム クラドスポロイデス(Cladosporiumu cladosporoides)である。
また、防腐性判断基準は以下のとおりである。試験結果を表3及び4に併せて示す。
<防腐性判断基準>
◎:防腐力が早急に認められる。
○:防腐力が認められる。
△:防腐力が殆ど認められない。
×:防腐力が認められない。
【0030】
【表3】
Figure 2004352688
【0031】
【表4】
Figure 2004352688
【0032】
実施例4 処方例
処方例1
次の化粧水を調製して防腐性試験を行った。その調整手順は、(1)、(2)、(3)、(10)を加熱溶解し、これに(4)、(5)、(6)、(9)、(11)を加熱均一溶解させた水溶液を徐々に添加、攪拌し、冷却後(7)、(8)を添加、攪拌し、化粧水とした。強い防腐性を有していた。
【0033】
【表5】
Figure 2004352688
【0034】
処方例2
次の乳液を調製して防腐性試験を行った。その調整手順は、(1)〜(8)及び(12)を加熱溶解し、これに(9)〜(11)及び(13)、(17)を加熱均一溶解させた水溶液を徐々に添加してホモミキサーにて攪拌し、冷却後(14)〜(16)を添加、攪拌し、乳液とした。強い防腐性を有していた。
【0035】
【表6】
Figure 2004352688
【0036】
処方例3
次のクリームを調製して防腐性試験を行った。その調整手順は、(1)〜(8)及び(12)を加熱溶解し、これに(9)〜(11)及び(15)を加熱均一溶解させた水溶液を徐々に添加してホモミキサーにて攪拌し、冷却後(13)、(14)を添加、攪拌し、クリームとした。強い防腐性を有していた。
【0037】
【表7】
Figure 2004352688
【0038】
処方例4
次のジェルを調製して防腐性試験を行った。その調整手順は、(1)〜(3)を室温にて溶解し、これを(4)〜(11)及び(13)を加熱均一溶解させた水溶液に徐々に添加して攪拌し、冷却後(12)を添加、攪拌し、ジェルとした。強い防腐性を有していた。
【0039】
【表8】
Figure 2004352688
【0040】
処方例5
次の組成の液状口紅を調製して防腐性試験を行った。すべての成分を加熱均一溶解させたのち冷却し、口紅とした。強い防腐性を有していた。
【0041】
【表9】
Figure 2004352688
【0042】
【発明の効果】
本発明によれば、防腐力を確保したまま防腐剤の使用量が大幅に低減され、防腐性及び安全性が高められた防腐剤組成物、及び防腐性が確保され且つ優れた安全性及び使用性を有する化粧料等の外用剤組成物を提供することができる。
【図面の簡単な説明】
【図1】図1はデカンジオールをメチルパラベンと組み合わせて使用した場合の大腸菌に対する抗菌力(相乗効果あり)を示した図である。
【図2】図2はオクタンジオールとメチルパラベンと組み合わせて使用した場合の大腸菌に対する抗菌力(相乗効果なし)を示した図である。
【図3】図3はヘキサンジオールとメチルパラベンと組み合わせて使用した場合の大腸菌に対する抗菌力(相乗効果なし)を示した図である。
【図4】図4はペンタンジオールとメチルパラベンと組み合わせて使用した場合の大腸菌に対する抗菌力(相乗効果なし)を示した図である。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a preservative composition in which the amount of a preservative used is reduced while preserving the preservative power of the preservative and safety is enhanced, and an external preparation composition containing the same.
[0002]
Problems to be solved by the prior art and the invention
External preparations such as cosmetics and external medicines contain preservatives such as paraoxybenzoic acid esters (parabens) and 2-phenoxyethanol in order to secure antiseptic and antifungal properties during production and storage. Such parabens and 2-phenoxyethanol are excellent in safety and effectiveness as preservatives used in external preparations. However, in recent years, there are people who are sensitive to these preservatives and complain of skin irritation, and in the field of cosmetics and the like, there is an increasing tendency to seek a composition that is gentle on the skin and safer. For this reason, various attempts have been made to reduce the amount of preservatives such as parabens and 2-phenoxyethanol.
[0003]
For example, a method of reducing the use amount of paraben by using paraben and a polyhydric alcohol such as 1,3-butylene glycol, dipropylene glycol, or glycerin, 1,2-pentanediol, 1,2-hexanediol, It has been reported that when a 1,2-alkanediol such as 1,2-octanediol is used in combination with paraben, 2-phenoxyethanol, or the like, the amount of the preservative used can be reduced while preserving the preservative power. (For example, see Patent Document 1, Patent Document 2, and Patent Document 3).
[0004]
However, the effect of enhancing the antibacterial activity by the combined use of such a preservative and another substance is not yet sufficient, and the amount of the preservative used has not been significantly reduced.
[0005]
The present invention provides a preservative composition in which the amount of preservative used is greatly reduced while preserving the preservative power, and the preservative and safety are improved, and an external preparation composition containing the preservative composition. The purpose is to do.
[0006]
[Patent Document 1]
Japanese Patent Application Laid-Open No. H11-325991 [Patent Document 2]
JP-A-11-310506 [Patent Document 3]
JP-A-10-53510
[Means for Solving the Problems]
The present inventors have studied a component that enhances the preservative power of a preservative, and found that 1,2-decanediol that can be used as a humectant, a feel modifier, and the like is used in combination with a preservative such as 2-phenoxyethanol and parabens. It has been found that when used, the preservative effect of these preservatives is significantly increased, and the amount used can be significantly reduced.
[0008]
That is, the present invention provides a preservative composition containing a preservative and 1,2-decanediol.
[0009]
The present invention also provides an external preparation composition containing the above preservative composition.
[0010]
The present invention also provides a preservative method in which 1,2-decanediol is added as a preservative to a preservative.
[0011]
Further, the present invention provides a method for reducing the amount of the preservative used, wherein 1,2-decanediol is present in an amount of 0.001 to 5.0% by mass in the composition containing the preservative. Things.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
The 1,2-decanediol used in the present invention can be widely blended in cosmetics and the like as a humectant and a feel control agent, and can also be used as an emulsifying aid and a material. Is extremely high. Such 1,2-decanediol can be a preservative aid for enhancing the preservative effect of the preservative and reducing the amount of use thereof, as described later.
[0013]
Preservatives used in the present invention are added to cosmetics, skin external preparations, pharmaceuticals, quasi-drugs, detergents, foods, etc. for the purpose of suppressing the growth of microorganisms and preventing microbial deterioration of products. Such as parabens, 2-phenoxyethanol, benzoic acid and its salts, salicylic acid and its salts, sorbic acid and its salts, dehydroacetic acid and its salts, p-toluenesulfonic acid and its salts, and alcohols such as ethanol and isopropanol , Polyhydric alcohols, and quaternary ammonium salts such as benzalkonium chloride.
Of these, parabens and 2-phenoxyethanol are particularly preferred from the viewpoint of the effects of the present invention.
[0014]
Here, the parabens include paraoxybenzoic acid esters and salts thereof. Specific examples include methyl paraben, ethyl paraben, propyl paraben, butyl paraben and salts thereof, and it is preferable to use one or more of these. These can be generally used in an external preparation composition such as cosmetics in a total amount of 1% by mass or less depending on the dosage form.
In addition, 2-phenoxyethanol can be used as an antiseptic or an antiseptic aid in an external preparation composition such as a cosmetic product in an amount of 1% by mass or less depending on its dosage form, similarly to parabens.
[0015]
The above-mentioned 1,2-decanediol and preservative can all be produced by a known method, and commercially available products can also be used. For example, 1,2-decanediol is 1,2-decanediol (manufactured by Tokyo Chemical Industry Co., Ltd.), parabens are methyl paraoxybenzoate (manufactured by Yoshitomi Pharmaceutical Co., Ltd.), and 2-phenoxyethanol is highsolve EPH (Toho Chemical Co., Ltd.). Industrial Co., Ltd.) can be used.
[0016]
As is clear from the examples described later, when 1,2-decanediol is combined with parabens or 2-phenoxyethanol, the antiseptic activity is significantly more remarkable than when parabens or 2-phenoxyethanol is used alone. Be strengthened. Therefore, 1,2-decanediol is useful as a preservative aid for increasing the preservative effect of preservatives such as parabens or 2-phenoxyethanol, and reducing their usage. That is, by using 1,2-decanediol as a preservative aid, the amount of preservatives such as parabens and 2-phenoxyethanol can be reduced by 20 to 99%.
The preservative power of the preservative when 1,2-decanediol is combined with the preservative is far superior to the case where the other 1,2-alkanediol is combined with the preservative. In particular, the preservative power when 1,2-decanediol is combined with parabens or 2-phenoxyethanol is 1,2-pentanediol, 1,2-hexanediol, 1,2-octanediol, or the like. Compared to the case where alkanediol and these are combined, they show much better antibacterial action against not only bacteria but also fungi such as yeast and mold (Example 2).
[0017]
The amount of 1,2-decanediol in the preservative composition of the present invention in which 1,2-decanediol and a preservative are combined is preferably 0.001 to 5.0% by mass, and 0.01 to 1.0% by mass. % By mass is more preferable, and 0.01 to 0.1% by mass is particularly preferable.
Further, the mixing ratio of 1,2-decanediol and preservative may be appropriately determined according to the dosage form and form, but the preservative is 0.1 to 200 mass per 1 mass of 1,2-decanediol. It is preferred that
[0018]
The external preparation composition of the present invention is the above-mentioned preservative composition, that is, an external preparation composition comprising a preservative and 1,2-decanediol, specifically, a basic cosmetic, a makeup cosmetic, Examples include cosmetics such as hair cosmetics, various pharmaceuticals such as ointments, and quasi-drugs.
[0019]
The content of 1,2-decanediol in such an external preparation composition is preferably 0.001% by mass or more, more preferably 0.01 to 5% by mass, and particularly preferably 0.05 to 1% by mass. is there. The upper limit of 1,2-decanediol is appropriately determined depending on the properties and form of the external preparation composition. However, if it exceeds 5% by mass, the usability of the external preparation composition deteriorates, for example, accompanied by a sticky feeling. This is not preferred.
[0020]
From the viewpoint of ensuring the preservative effect, the preservative may be contained in the composition for external use in an amount of 0.01 to 0.8% by mass, and in particular, for parabens, preferably 0.05 to 0.5% by mass. In particular, it is preferable to contain it in the range of 0.05 to 0.4% by mass. That is, although the use amount of parabens varies depending on the dosage form, it can be reduced by 20 to 99% as compared with the usual use amount in each dosage form and formulation.
Moreover, about 2-phenoxyethanol, it is preferable to contain 0.05-0.6 mass% preferably in the range of 0.1-0.5 mass%. That is, although the amount of 2-phenoxyethanol used varies depending on the dosage form, it can be reduced by 20 to 99% as compared with the usual amount used in each dosage form or formulation.
[0021]
In this way, by combining 1,2-decanediol and a preservative such as parabens and 2-phenoxyethanol into an external preparation composition, the preservative property of the composition is ensured and the safety is improved. It can be significantly improved, and at the same time, the feeling of use and emulsion stability can be improved.
[0022]
The external preparation composition of the present invention may contain a humectant, an ultraviolet ray protective agent, a vitamin, a plant and animal extract component, an anti-inflammatory agent, a whitening agent, a vasodilator, an astringent, a refreshing agent, a hormonal agent, a wrinkle according to the purpose of use. Components such as an improving agent, an analgesic anti-inflammatory agent, an antipruritic agent, a germicidal disinfectant, an astringent, an emollient and the like can be appropriately compounded.
[0023]
The external preparation composition of the present invention is used in the form of cosmetics, pharmaceuticals, quasi-drugs, etc., and as dosage forms, aqueous solutions, solubilizing systems, emulsifying systems, gel systems, paste systems, ointment systems, Used for aerosol system, water-oil two-layer system, water-oil-powder three-layer system. That is, as cosmetics, for example, creams, cosmetic emulsions, lotions, essences, sunscreen lipsticks, foundations, mascaras, eyeliners, packs, masks, bath salts, skin cleansing agents, nail care agents, hair cosmetics, etc. The present invention can be applied to, for example, hair tonics, hair styling products, hair rinses, hair treatments, hair conditioners, hair styling agents, shampoos, hair restorers, hair restorers, and the like. Moreover, if it is a medicine or a quasi-drug, it can be widely applied to various ointments and the like.
[0024]
The external preparation composition of the present invention contains known base components such as oils, higher fatty acids, alcohols, silicones, surfactants, water-soluble polymers, chelating agents, An adjuster, a thickener, a powder component, a pigment, a fragrance, moisture and the like can be appropriately compounded as needed.
[0025]
【Example】
Hereinafter, the present invention will be described in more detail with reference to Examples.
Example 1 Synergistic Effect of Antibacterial Activity by Combination of 1,2-Decandiol and Methylparaben Quantitative Bacterial Suspension Method (British Standards Institution: Method for laboratory evaluation of disinfant activity, Table 19 of the following activities, Act. The antimicrobial activity against Escherichia coli ( Escherichia coli IFO3972) was evaluated using 2 mL of the solution having the composition shown in (1). The results are shown in FIG.
[0026]
[Table 1]
Figure 2004352688
[0027]
Example 2 Comparative Quantitative Bacterial Suspension Method Comparison of Antibacterial Activity by Combination of 1,2-Decandiol, 1,2-Hexanediol, 1,2-Pentanediol and Methylparaben and Antibacterial Activity by Combination with Other Alkanediols ( british Standards Institution: Method for laboratory evaluation of disinfectant activity of QAC.BS3286, using a solution 2mL of composition shown in table 2 were evaluated antibacterial against Escherichia coli (Escherichia coli IFO3972) by 1960). The results are shown in FIGS.
[0028]
[Table 2]
Figure 2004352688
[0029]
Example 3 Preservative Power Judgment Test Using 50 g of a sample shown in Tables 3 and 4 below, a preservation efficiency test was carried out using bacteria and mold. The preservative power was determined based on the change in the number of bacteria up to 4 weeks. Here, using strains as bacteria, Staphylococcus aureus (Staphylococcus aureus), Escherichia coli (Escherichia coli), Pseudomonas Earuginoza (Psedomonas aeruginosa), as mold, Aspergillus niger (Aspergillus niger), Penicillium citrinum (Penicillium citrinum ) Cladosporium Cladosporium cladosporoides .
The preservative criterion is as follows. The test results are shown in Tables 3 and 4.
<Preservation criteria>
:: The antiseptic power is recognized immediately.
:: Preservative power is recognized.
Δ: Preservative power was hardly recognized.
×: No preservative power was observed.
[0030]
[Table 3]
Figure 2004352688
[0031]
[Table 4]
Figure 2004352688
[0032]
Example 4 Formulation Example Formulation Example 1
The following lotions were prepared and tested for antiseptic properties. The adjustment procedure is as follows: (1), (2), (3), and (10) are dissolved by heating, and (4), (5), (6), (9), and (11) are uniformly dissolved by heating. The resulting aqueous solution was gradually added and stirred, and after cooling, (7) and (8) were added and stirred to obtain a lotion. It had strong antiseptic properties.
[0033]
[Table 5]
Figure 2004352688
[0034]
Formulation Example 2
The following emulsions were prepared and tested for antiseptic properties. The adjustment procedure is as follows: (1) to (8) and (12) are heated and dissolved, and an aqueous solution in which (9) to (11) and (13) and (17) are heated and uniformly dissolved is gradually added thereto. After cooling with a homomixer, after cooling, (14) to (16) were added and stirred to obtain an emulsion. It had strong antiseptic properties.
[0035]
[Table 6]
Figure 2004352688
[0036]
Formulation Example 3
The following creams were prepared and tested for preservability. The adjustment procedure is as follows. (1) to (8) and (12) are heated and dissolved, and an aqueous solution in which (9) to (11) and (15) are heated and uniformly dissolved is gradually added to the homomixer. After cooling, (13) and (14) were added and stirred to obtain a cream. It had strong antiseptic properties.
[0037]
[Table 7]
Figure 2004352688
[0038]
Formulation Example 4
The following gels were prepared and tested for preservability. In the adjustment procedure, (1) to (3) were dissolved at room temperature, and this was gradually added to an aqueous solution in which (4) to (11) and (13) were heated and uniformly dissolved, followed by stirring and cooling. (12) was added and stirred to form a gel. It had strong antiseptic properties.
[0039]
[Table 8]
Figure 2004352688
[0040]
Formulation Example 5
A liquid lipstick having the following composition was prepared and subjected to an antiseptic test. After heating and dissolving all components uniformly, the mixture was cooled to give a lipstick. It had strong antiseptic properties.
[0041]
[Table 9]
Figure 2004352688
[0042]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the usage-amount of a preservative is drastically reduced, the preservative and the safety | security improved, the preservative was ensured, and the preservation | save property was ensured and excellent safety and use were ensured, while preserving the preservative power. It is possible to provide an external preparation composition such as a cosmetic having a property.
[Brief description of the drawings]
FIG. 1 is a diagram showing the antibacterial activity against Escherichia coli (with a synergistic effect) when decanediol is used in combination with methylparaben.
FIG. 2 is a graph showing the antibacterial activity against Escherichia coli (no synergistic effect) when used in combination with octanediol and methylparaben.
FIG. 3 is a graph showing the antibacterial activity against Escherichia coli (no synergistic effect) when used in combination with hexanediol and methylparaben.
FIG. 4 is a graph showing the antibacterial activity against Escherichia coli (no synergistic effect) when used in combination with pentanediol and methylparaben.

Claims (6)

防腐剤及び1,2−デカンジオールを含有する防腐剤組成物。A preservative composition comprising a preservative and 1,2-decanediol. 防腐剤が、パラオキシ安息香酸エステル類及び2−フェノキシエタノールから選ばれる1種以上である請求項1記載の防腐剤組成物。The preservative composition according to claim 1, wherein the preservative is at least one selected from paraoxybenzoic esters and 2-phenoxyethanol. 請求項1又は2記載の防腐剤組成物を含有する外用剤組成物。An external preparation composition comprising the preservative composition according to claim 1 or 2. 防腐剤を0.01〜0.8質量%及び1,2−デカンジオールを0.001〜5.0質量%含有する請求項3記載の外用剤組成物。The external preparation composition according to claim 3, comprising 0.01 to 0.8% by mass of a preservative and 0.001 to 5.0% by mass of 1,2-decanediol. 防腐剤に、防腐助剤として1,2−デカンジオールを添加する防腐方法。A preservative method comprising adding 1,2-decanediol as a preservative to a preservative. 防腐剤を含有する組成物中に、1,2−デカンジオールを0.001〜5.0質量%共存させることを特徴とする当該防腐剤の使用量の低減方法。A method for reducing the amount of preservative used, wherein 1,2-decanediol is present in an amount of 0.001 to 5.0% by mass in a composition containing the preservative.
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JP2008056610A (en) * 2006-08-31 2008-03-13 Mandom Corp Oil-based makeup cosmetic material
WO2008046795A1 (en) * 2006-10-20 2008-04-24 Symrise Gmbh & Co. Kg Use of c10-c14-alkanediols in the preparation of a composition for the prophylaxis and/or treatment of malassezia-induced dandruff formation and compositions comprising c10-c14-alkanediols
WO2008046791A1 (en) * 2006-10-20 2008-04-24 Symrise Gmbh & Co. Kg Use of 1,2-decanediol for sebum reduction and cosmetic and/or dermatological formulations comprising 1,2-decanediol
WO2008135085A1 (en) * 2007-05-04 2008-11-13 Symrise Gmbh & Co. Kg Synergistic active preparations comprising 1,2-decanediol and further antimicrobial active compounds
WO2009084394A1 (en) * 2007-12-28 2009-07-09 Earth Chemical Co., Ltd. Gel composition for pest insects and gel spray product for pest insects
JP2009203165A (en) * 2008-02-26 2009-09-10 Mikimoto Pharmaceut Co Ltd Method for producing composition and composition produced by the same
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JP2012525327A (en) * 2009-04-27 2012-10-22 ビーエーエスエフ ソシエタス・ヨーロピア Composition comprising pesticide, preservative and unbranched 1,2-alkanediol
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JP2019081724A (en) * 2017-10-30 2019-05-30 花王株式会社 Mold sterilizing agent composition
JP2020050628A (en) * 2018-09-28 2020-04-02 ポーラ化成工業株式会社 Antiseptic emulsion composition and antiseptic method
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JP2020525481A (en) * 2017-06-30 2020-08-27 ロレアル Antibacterial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and diol, and cosmetic composition containing the same
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JP2006193493A (en) * 2005-01-17 2006-07-27 Adeka Corp Antiseptic agent composition
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JP2008056610A (en) * 2006-08-31 2008-03-13 Mandom Corp Oil-based makeup cosmetic material
WO2008046795A1 (en) * 2006-10-20 2008-04-24 Symrise Gmbh & Co. Kg Use of c10-c14-alkanediols in the preparation of a composition for the prophylaxis and/or treatment of malassezia-induced dandruff formation and compositions comprising c10-c14-alkanediols
WO2008046791A1 (en) * 2006-10-20 2008-04-24 Symrise Gmbh & Co. Kg Use of 1,2-decanediol for sebum reduction and cosmetic and/or dermatological formulations comprising 1,2-decanediol
EP1915982A1 (en) * 2006-10-20 2008-04-30 Symrise GmbH & Co. KG Use of 1,2-decanediol for reducing sebum concentration and/or for enhancing penetration of actives into skin areas, and cosmetic and/or dermatological compositions comprising 1,2-decanediol
EP1923041A1 (en) * 2006-10-20 2008-05-21 Symrise GmbH & Co. KG Use of C10-C14 alkane diols for the preparation of a composition for the prophylaxis and/or treatment of Malassezia-induced dandruff, and compositions comprising C10-C14 alkane diols
WO2008135085A1 (en) * 2007-05-04 2008-11-13 Symrise Gmbh & Co. Kg Synergistic active preparations comprising 1,2-decanediol and further antimicrobial active compounds
WO2009084394A1 (en) * 2007-12-28 2009-07-09 Earth Chemical Co., Ltd. Gel composition for pest insects and gel spray product for pest insects
JP2009203165A (en) * 2008-02-26 2009-09-10 Mikimoto Pharmaceut Co Ltd Method for producing composition and composition produced by the same
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US10130093B2 (en) 2009-06-15 2018-11-20 Gojo Industries, Inc. Methods and compositions for use with gel dispensers
US10271548B2 (en) 2009-06-15 2019-04-30 Gojo Industries, Inc. Methods and compositions for use with gel dispensers
US10278388B2 (en) 2009-06-15 2019-05-07 Gojo Industries, Inc. Methods and compositions for use with gel dispensers
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US10674722B2 (en) 2012-02-24 2020-06-09 Gojo Industries, Inc. Antimicrobial and foamable alcoholic compositions
US11628129B2 (en) 2017-04-04 2023-04-18 Gojo Industries, Inc. Methods and compounds for increasing virucidal efficacy in hydroalcoholic systems
JP2020525481A (en) * 2017-06-30 2020-08-27 ロレアル Antibacterial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and diol, and cosmetic composition containing the same
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JP2019081724A (en) * 2017-10-30 2019-05-30 花王株式会社 Mold sterilizing agent composition
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