JP3696391B2 - Pearly luster emulsified composition - Google Patents

Pearly luster emulsified composition Download PDF

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Publication number
JP3696391B2
JP3696391B2 JP35327897A JP35327897A JP3696391B2 JP 3696391 B2 JP3696391 B2 JP 3696391B2 JP 35327897 A JP35327897 A JP 35327897A JP 35327897 A JP35327897 A JP 35327897A JP 3696391 B2 JP3696391 B2 JP 3696391B2
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Prior art keywords
component
pearly luster
weight
fatty acid
composition
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Expired - Fee Related
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JP35327897A
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Japanese (ja)
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JPH11180822A (en
Inventor
正 松井
勝彦 吉田
慶子 浦中
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カネボウ株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、真珠様光沢乳化組成物に関し、詳細には皮膚塗布時にのびが良く、優れた使用感を有し、かつ保存安定性、安全性の良好なクレンジングクリーム、マッサージクリーム等の化粧料として有用な真珠様光沢乳化組成物に関する。
【0002】
【従来の技術】
従来知られている真珠様光沢を有する乳化組成物は、油相中の固型脂肪酸であるステアリン酸などと水相中のアルカリ剤である水酸化カリウムなどとが混合されたとき、いわゆる石鹸乳化が促進されることによって得られた乳化組成物が真珠様光沢を発するバニシングタイプのものである。
また、真珠様光沢を有するものとして、結晶性エステルと親水性界面活性剤を含有する化粧料(特公昭60−26764号公報)が提案されている。
【0003】
【発明が解決しようとする課題】
バニシングタイプの真珠様光沢乳化組成物の場合、真珠様光沢の原因となる脂肪酸結晶の析出は製品の安定性と密接な関係があり、析出が著しいときには不安定となり、逆に安定性を重要視しようと析出が抑制されて真珠様光沢が不十分となるという問題がある。これはまた、製造条件の厳密さを要求する原因ともなって、生産性の点にも悪影響をもたらす。脂肪酸結晶の析出の程度は、べとつき、のび、なじみなどの製品の使用感にも大きく影響を与えるので、この点においても問題となる。
結晶性エステルと親水性界面活性剤を含有する真珠様光沢化粧料(特公昭60−26764号公報)においてもこれらの点は未だ十分に満足できるものではない。
上記の如き実情において、皮膚塗布時にのびが良く、優れた使用感を有し、かつ保存安定性、安全性の良好なクレンジングクリーム、マッサージクリーム等の化粧料として有用な真珠様光沢乳化組成物の出現が望まれていた。
【0004】
【課題を解決するための手段】
本発明者は、上記問題点のない化粧料を得るべく鋭意研究を重ねた結果、特定の脂肪酸組成を有するエチレングリコールジ脂肪酸エステルと界面活性剤と油成分と水を併用すれば、上記要件を満たす優れたクレンジング化粧料、マッサ−ジ化粧料等として有用な組成物が得られることを見出だし、本発明を完成させた。
【0005】
すなわち、本発明は、成分(A)として脂肪酸組成がC14が10〜70重量%、C16が0〜90重量%、C18が0〜90重量%、ただしC16とC18の合計量が30〜90重量%のエチレングリコールジ脂肪酸エステル、成分(B)として界面活性剤、成分(C)として(A)成分を除く油成分が5〜60重量%、成分(D)として水を含有する真珠様光沢乳化組成物である。
【0006】
【発明の実施の形態】
以下、発明の実施の形態を詳述する。
本発明で使用されるエチレングリコールジ脂肪酸エステルは、脂肪酸組成がC14が10〜70重量%、C16が0〜90重量%、C18が0〜90重量%、ただしC16とC18の合計量が30〜90重量%である。脂肪酸組成としてC14成分が70重量%より多くなったりC12成分が加わることでC16成分とC18成分の合計量が30重量%未満となると真珠様光沢が少ないかまたは消失してしまい、C16成分とC18成分の合計量が90重量%より多くなったりC20以上成分が加わることでC14成分が10重量%未満となると真珠様光沢が粗くなる、その配合量は、本発明の真珠様光沢乳化組成物の全組成に対し通常0.1〜40重量%(以下、単に%で示す)、好ましくは1〜30%の範囲で配合される。
【0007】
本発明で使用される界面活性剤は、一般的に用いられている非イオン性界面活性剤、アニオン性界面活性剤、カチオン性界面活性剤、両性界面活性剤いずれでも良い。特に、安全性の観点からは非イオン性界面活性剤および両性界面活性剤が望ましく、例えば、非イオン性界面活性剤としては、ポリエチレングリコール脂肪酸エステル(但し、ジエチレングリコール脂肪酸エステルを除く)、ポリオキシエチレンソルビット脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油、ポリオキシエチレン硬化ヒマシ油脂肪酸エステル、ポリオキシエチレンアルキルエーテル、ポリオキシエチレンポリオキシプロピレンアルキルエーテル、ポリオキシエチレンソルビットミツロウ、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレントリメチロールプロパン脂肪酸エステル、ポリグリセリン脂肪酸エステル、グリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、プロピレングリコール脂肪酸エステルなど、両性界面活性剤としては、グリシン型両性界面活性剤、アミノプロピオン酸型両性界面活性剤、アミノ酢酸ベタイン型両性界面活性剤、スルホベタイン型両性界面活性剤、N−アルキルジメチルアミンオキシド、リン脂質などである。本発明の真珠様光沢乳化組成物の全組成に対し通常0.1〜40%、好ましくは1〜30%の範囲で配合される。
【0008】
本発明で使用される(A)成分を除く油成分は、化粧料、医薬品等に通常使用されるものでよく、例えばシリコーン油、炭化水素類、高級アルコ−ル高級脂肪酸エステル類、高級アルコ−ル類、高級脂肪酸類、動植物油脂、コレステロ−ル脂肪酸エステル類、炭酸ジアルキル類、香料などが挙げられ、これらは1種又は2種以上を組み合わせて使用され、好ましいものとしては、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサン、メチルポリシロキサン(25℃における粘度が300cs以下)などのシリコーン油を含む場合である。油成分は本発明の乳化組成物の全組成に対し5〜60%配合される。
【0009】
また、水分量は本発明の使用目的、適切な物性に応じて適宜選択し得る。
【0010】
本発明では、さらに化粧料、医薬品等に通常使用される薬効剤、保湿成分、効炎症剤、殺菌剤、防腐剤、紫外線吸収剤、酸化防止剤、有機及び無機粉体、色素などを必要に応じて配合することができる。
【0011】
【実施例】
次ぎに実施例を挙げて本発明を説明するが、それに先立ち評価方法を示す。尚、本発明はこれら実施例に限定されるものではない。
【0012】
評価方法
(真珠様光沢)
試作品を肉眼観察により下記の基準に従って評価した。

Figure 0003696391
【0013】
(安定性)
20℃および40℃の恒温槽に試作品をいれ、1か月後に観察を行った。
Figure 0003696391
【0014】
(使用感)
女子20人(パネラー)が1週間連続使用した後、使用感(なじみ、のび)の良否を下記の基準に従って評価した。
Figure 0003696391
【0015】
(安全性)パッチテスト
被検者25人の前腕屈側部皮膚に、試料0.05gを直径1.0cmの円型のリント布のついたパッチテスト用絆創膏を用いて24時間閉塞貼付した後、下記の判定基準に従って評価した。結果は、絆創膏除去1時間後および24時間後のうち反応の強い方を採用し、評価が(±)以上の人の数で示した。
Figure 0003696391
【0016】
実施例1〜2、比較例1〜3(クレンジングクリ−ム)
表1に示すクレンジングクリームは次の製造法により調製した。
(製造法)表中の各成分を80℃で加熱溶解混合する。これを室温付近まで撹拌冷却して各クレンジングクリ−ムを得る。
これを試料として上記の評価方法に従って評価した。その結果を表1に示す。
【0017】
【表1】
Figure 0003696391
【0018】
表1より本発明品は調製直後より真珠様光沢乳白色クリ−ム状となり、のび、なじみとも非常に良好で、さらに保存安全性にも優れていた。
【0019】
実施例3、比較例4(弱油性クリーム)
表2で示す組成の全成分を加熱溶解、混合及び攪拌冷却操作を施すことにより、弱油性クリームを調製した。
【0020】
【表2】
Figure 0003696391
【0021】
この実施例3の弱油性クリームは調製直後より真珠様光沢を示し、保存安定性、使用時ののび及びなじみにも優れていた。
【0022】
実施例4(マッサージクリーム)
表3で示す組成の全成分を加熱溶解、混合及び攪拌冷却操作を施すことにより、マッサージクリームを調製した。
【0023】
【表3】
Figure 0003696391
【0024】
この実施例4のマッサージクリームは調製直後より真珠様光沢を示し、使用時にのび・なじみが良く、さらにべとつかず、また、安全性にも優れていた。
【0025】
【発明の効果】
以上の記載の通り、本発明の真珠様光沢乳化組成物は、皮膚塗布時にのびが良く、優れた使用感を有し、かつ保存安定性、安全性に優れている。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pearly luster emulsified composition, and in particular, as a cosmetic such as a cleansing cream, a massage cream, etc. that has good spreadability when applied to the skin, has an excellent feeling of use, and has good storage stability and safety. The present invention relates to a useful pearly luster emulsion composition.
[0002]
[Prior art]
A conventionally known emulsion composition having a pearly luster is so-called soap emulsification when stearic acid, which is a solid fatty acid in an oil phase, and potassium hydroxide, which is an alkaline agent in an aqueous phase, are mixed. The emulsified composition obtained by the promotion of varnish is of a burnishing type that emits pearly luster.
Further, cosmetics containing a crystalline ester and a hydrophilic surfactant (Japanese Patent Publication No. 60-26764) have been proposed as having a pearly luster.
[0003]
[Problems to be solved by the invention]
In the case of burnishing type pearly luster emulsion composition, precipitation of fatty acid crystals that cause pearly luster is closely related to the stability of the product. When precipitation is significant, it becomes unstable. Conversely, stability is important. However, there is a problem that precipitation is suppressed and the pearly luster becomes insufficient. This also causes a demand for stringent manufacturing conditions and has a negative impact on productivity. The degree of precipitation of fatty acid crystals greatly affects the feeling of use of products such as stickiness, spread, and familiarity, and this is also a problem in this respect.
Even in the case of a pearly luster cosmetic (Japanese Patent Publication No. 60-26764) containing a crystalline ester and a hydrophilic surfactant, these points are still not fully satisfactory.
In the circumstances as described above, a pearly luster emulsion composition that has good spreadability when applied to the skin, has an excellent feeling of use, and is useful as cosmetics such as cleansing creams and massage creams having good storage stability and safety. The appearance was desired.
[0004]
[Means for Solving the Problems]
As a result of intensive studies to obtain a cosmetic material free from the above problems, the present inventor has obtained the above requirements if an ethylene glycol difatty acid ester having a specific fatty acid composition, a surfactant, an oil component, and water are used in combination. The present inventors have found that a composition useful as an excellent cleansing cosmetic, a massage cosmetic, and the like can be obtained, and the present invention has been completed.
[0005]
That is, in the present invention, the fatty acid composition of component (A) is 10 to 70% by weight of C14, 0 to 90% by weight of C16, 0 to 90% by weight of C18, provided that the total amount of C16 and C18 is 30 to 90% by weight. Pearly luster emulsification containing 5% by weight of ethylene glycol difatty acid ester, surfactant as component (B), 5-60% by weight of oil component excluding component (A) as component (C), and water as component (D) It is a composition.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail.
The ethylene glycol difatty acid ester used in the present invention has a fatty acid composition of 10 to 70% by weight of C14, 0 to 90% by weight of C16, 0 to 90% by weight of C18, provided that the total amount of C16 and C18 is 30 to 30%. 90% by weight. When the total amount of the C16 component and the C18 component is less than 30% by weight because the C14 component exceeds 70% by weight as the fatty acid composition or the C12 component is added, the pearly luster is reduced or disappears. When the total amount of the components exceeds 90% by weight or when the C14 component or more is added and the C14 component is less than 10% by weight, the pearly luster becomes rough. The blending amount of the pearly luster emulsion composition of the present invention It is usually blended in the range of 0.1 to 40% by weight (hereinafter simply expressed as%), preferably 1 to 30%, based on the total composition.
[0007]
The surfactant used in the present invention may be any of commonly used nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants. In particular, from the viewpoint of safety, nonionic surfactants and amphoteric surfactants are desirable. For example, nonionic surfactants include polyethylene glycol fatty acid esters (excluding diethylene glycol fatty acid esters), polyoxyethylene Sorbit fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene hydrogenated castor oil fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene sorbite beeswax, polyoxy Ethylene glycerin fatty acid ester, polyoxyethylene trimethylolpropane fatty acid ester, polyglycerin fatty acid ester, glycerin fatty acid ester, sorbitan fat Examples of amphoteric surfactants such as acid esters and propylene glycol fatty acid esters include glycine type amphoteric surfactants, aminopropionic acid type amphoteric surfactants, amino acetate betaine type amphoteric surfactants, sulfobetaine type amphoteric surfactants, N -Alkyl dimethylamine oxide, phospholipids and the like. It is 0.1 to 40% normally with respect to the whole composition of the pearly luster emulsion composition of this invention, Preferably it mix | blends in 1 to 30% of range.
[0008]
The oil component excluding the component (A) used in the present invention may be those usually used in cosmetics, pharmaceuticals, etc., for example, silicone oil, hydrocarbons, higher alcohol higher fatty acid esters, higher alcohols. And higher fatty acids, animal and vegetable oils and fats, cholesterol fatty acid esters, dialkyl carbonates, fragrances and the like. These may be used alone or in combination of two or more. Preferred examples include octamethylcyclotetra This is a case where silicone oil such as siloxane, decamethylcyclopentasiloxane, or methylpolysiloxane (viscosity at 25 ° C. is 300 cs or less) is contained. The oil component is blended in an amount of 5 to 60% based on the total composition of the emulsified composition of the present invention.
[0009]
The amount of water can be appropriately selected according to the purpose of use of the present invention and appropriate physical properties.
[0010]
The present invention further requires medicinal agents, moisturizing ingredients, anti-inflammatory agents, antibacterial agents, antiseptics, ultraviolet absorbers, antioxidants, organic and inorganic powders, pigments, etc. that are usually used in cosmetics, pharmaceuticals, etc. It can be blended accordingly.
[0011]
【Example】
Next, the present invention will be described with reference to examples. Prior to that, an evaluation method will be described. The present invention is not limited to these examples.
[0012]
Evaluation method (pearly luster)
The prototype was evaluated according to the following criteria by visual observation.
Figure 0003696391
[0013]
(Stability)
A prototype was placed in a constant temperature bath at 20 ° C. and 40 ° C., and observation was performed one month later.
Figure 0003696391
[0014]
(Feeling of use)
After 20 girls (panelists) used continuously for 1 week, the quality of use (familiarity, spread) was evaluated according to the following criteria.
Figure 0003696391
[0015]
(Safety) After applying a patch test adhesive bandage with a circular lint cloth with a diameter of 1.0 cm on the skin of the forearm bent side of 25 test subjects for 24 hours. Evaluation was made according to the following criteria. The results were expressed as the number of people who had a strong reaction between 1 hour and 24 hours after removal of the adhesive bandage and whose evaluation was (±) or more.
Figure 0003696391
[0016]
Examples 1-2, Comparative Examples 1-3 (cleansing cream)
The cleansing cream shown in Table 1 was prepared by the following manufacturing method.
(Manufacturing method) Each component in a table | surface is heat-dissolved and mixed at 80 degreeC. This is stirred and cooled to near room temperature to obtain each cleansing cream.
This was evaluated according to the above evaluation method as a sample. The results are shown in Table 1.
[0017]
[Table 1]
Figure 0003696391
[0018]
From Table 1, the product of the present invention was in the form of a pearly luster milky white cream immediately after preparation, very good in spreading and familiarity, and excellent in storage safety.
[0019]
Example 3, Comparative Example 4 (weak oily cream)
A weak oily cream was prepared by subjecting all the components having the composition shown in Table 2 to heat dissolution, mixing, and stirring and cooling.
[0020]
[Table 2]
Figure 0003696391
[0021]
The weak oil-based cream of Example 3 exhibited pearly luster immediately after preparation, and was excellent in storage stability, spread during use and familiarity.
[0022]
Example 4 (massage cream)
A massage cream was prepared by subjecting all the components having the composition shown in Table 3 to heat dissolution, mixing, and stirring and cooling.
[0023]
[Table 3]
Figure 0003696391
[0024]
The massage cream of Example 4 showed a pearly luster immediately after preparation, had good spread and familiarity when used, was not sticky, and was excellent in safety.
[0025]
【The invention's effect】
As described above, the pearly luster emulsion composition of the present invention has good spreadability when applied to the skin, has an excellent feeling of use, and is excellent in storage stability and safety.

Claims (1)

成分(A)として脂肪酸組成がC14が10〜70重量%、C16が0〜90重量%、C18が0〜90重量%、ただしC16とC18の合計量が30〜90重量%のエチレングリコールジ脂肪酸エステル、成分(B)として界面活性剤、成分(C)として(A)成分を除く油成分が5〜60重量%、成分(D)として水を含有する真珠様光沢乳化組成物。Component (A) is an ethylene glycol difatty acid having a fatty acid composition of 10 to 70% by weight of C14, 0 to 90% by weight of C16, and 0 to 90% by weight of C18, provided that the total amount of C16 and C18 is 30 to 90% by weight. A pearly luster emulsion composition containing an ester, a surfactant as the component (B), 5 to 60% by weight of the oil component excluding the component (A ) as the component (C), and water as the component (D).
JP35327897A 1997-12-22 1997-12-22 Pearly luster emulsified composition Expired - Fee Related JP3696391B2 (en)

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JP3696391B2 true JP3696391B2 (en) 2005-09-14

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JP3625458B2 (en) * 2002-08-09 2005-03-02 花王株式会社 Washing soap

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