JPH0141602B2 - - Google Patents

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Publication number
JPH0141602B2
JPH0141602B2 JP54104298A JP10429879A JPH0141602B2 JP H0141602 B2 JPH0141602 B2 JP H0141602B2 JP 54104298 A JP54104298 A JP 54104298A JP 10429879 A JP10429879 A JP 10429879A JP H0141602 B2 JPH0141602 B2 JP H0141602B2
Authority
JP
Japan
Prior art keywords
fatty acid
water
acid ester
discoloration
surfactant
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP54104298A
Other languages
Japanese (ja)
Other versions
JPS5645405A (en
Inventor
Yoshikazu Soyama
Haku Matsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiseido Co Ltd
Original Assignee
Shiseido 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
Publication date
Application filed by Shiseido Co Ltd filed Critical Shiseido Co Ltd
Priority to JP10429879A priority Critical patent/JPS5645405A/en
Publication of JPS5645405A publication Critical patent/JPS5645405A/en
Publication of JPH0141602B2 publication Critical patent/JPH0141602B2/ja
Granted legal-status Critical Current

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  • Cosmetics (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は有機顔料を含有する乳化スチツク化粧
料の色調安定性向上に関する発明である。従来の
乳化スチツク化粧料は油性成分.水.多価アルコ
ール.炭水化物等から構成され、ユニークな使用
性エモリエント効果そして、製品の温度安定性
(発汗)等大きな特徴を有するものである。 しかしながら、有機顔料、特に赤色202号、赤
色204号を含有する乳化スチツク化粧料は色調安
定性の面で難点があり、変色現象(経時3週間)
が観察され、この中でも赤色202号はその傾向が
顕著である。本発明者は、色調安定性の優れた化
粧料を目指し研究を進めた結果、本発明に到達し
たのである。本発明にあたつては変色原因究明が
先決となり、鋭意研究の結果、その究明に成功し
たのである。 即ち、その原因は顔料(一般的には水、油に不
溶)が、水、油、界面活性剤の共存層へ微量溶解
し、系が変色していく現象であることが判明し
た。なお、ここでの界面活性剤は顔料の可溶化剤
として、水は変色促進剤として寄与している。そ
して変色現象をもたらす因子としては水の量、水
のPH、界面活性剤の種類等が上げられるが、水の
PHを酸性にし、顔料溶解性の小さい界面活性剤を
使用することで完壁な変色防止が可能となる。本
発明に於ける水のPHは2.0〜5.0、中でもPH=3.0が
最適である。因みに水のPH調整剤としては有機酸
から無機酸まであげられるが、酸性アミノ酸とし
てのL―グルタミン酸、L―アスパラギン酸をは
じめKolthoffの緩衝液、Clark Lubsの緩衝液、
Michaelisの緩衝液等、その数は多種に及んでい
る。但し、PH調整だけでは長期経時による変色現
象が観察される。従つて先に述べた如く、界面活
性剤の選択が非常に重要になつてくる。有効な界
面活性剤としては、グリセロール脂肪酸エステル
類の中で、ジグリセロール脂肪酸エステル、トリ
グリセロール脂肪酸エステルをはじめとするポリ
グリセロール脂肪酸エステル、あるいはソルビタ
ン脂肪酸エステル類、ハイドロオキシ脂肪酸トリ
グリセライドのエチレンオキサイド付加物が有効
である。この様に乳化系スチツク状化粧料の色調
安定化には水のPH調整と同様に界面活性剤の選択
が重要であるが、水のPH調整による、その他品質
特性の劣化に関しては特に問題ない。勿論界面活
性剤に就いても同様である。 なお、本発明は一般的乳化法、ゲル方式乳化法
を問わず有効である。 次に以上の記述に就いて、その効果をデーター
で示す。 後述する実施例1〜3を行う前に、PHの影響調
査、界面活性剤の影響調査を目的として下記の試
験を行つた。 (試験例 1) 界面活性剤としてグリセロールモノオレートを
使用し、次の組成を有する色調がピンクの乳化ス
チツク化粧料を作製した。 (組成重量%) 流動パラフイン 57.8 固形パラフイン 20.0 ラノリン 5.0 グリセロールモノオレート 3.0 ソルビトール 2.0 イオン交換水* 7.0 赤色202号 0.2 酸化チタン 5.0 以上の組成において、イオン交換水に次のPH緩
衝剤を用いてPHを数々変化させた。 PH PH緩衝剤 2 塩化カリウム―塩酸 3 フタル酸水素カリウム―塩酸 4 フタル酸カリウム―水酸化ナトリウム 5 フタル酸カリウム―水酸化ナトリウム 6 フタル酸カリウム―水酸化ナトリウム 7 リン酸水素二カリウム―水酸化ナトリウ
ム 8 リン酸水素二カリウム―水酸化ナトリウ
ム 9 ホウ酸ナトリウム―炭酸ナトリウム 10 ホウ酸ナトリウム―炭酸ナトリウム 11 ホウ酸ナトリウム―炭酸ナトリウム 以上のようにPHを変化させ、測色機(日立カラ
ーアナラオザー)を用い変色度を測定した。 その結果を表―1に示す。
The present invention relates to improving the color stability of emulsified stick cosmetics containing organic pigments. Conventional emulsified stick cosmetics contain oil-based ingredients. water. Polyhydric alcohol. It is composed of carbohydrates, etc., and has great features such as unique usability, emollient effect, and temperature stability (sweating) of the product. However, emulsified stick cosmetics containing organic pigments, especially Red No. 202 and Red No. 204, have problems in terms of color stability and discoloration (3 weeks after aging).
is observed, and among these, red No. 202 has a remarkable tendency. The present inventors conducted research aimed at creating cosmetics with excellent color stability, and as a result, they arrived at the present invention. In developing the present invention, the first priority was to investigate the cause of the discoloration, and as a result of intensive research, we succeeded in finding out the cause. That is, it has been found that the cause is a phenomenon in which a small amount of pigment (generally insoluble in water and oil) dissolves in a coexisting layer of water, oil, and surfactant, causing the system to discolor. Note that the surfactant here serves as a pigment solubilizer, and the water serves as a discoloration accelerator. Factors that cause discoloration include the amount of water, the pH of the water, the type of surfactant, etc.
By making the pH acidic and using a surfactant with low pigment solubility, it is possible to completely prevent discoloration. The pH of the water in the present invention is 2.0 to 5.0, with PH=3.0 being optimal. Incidentally, water PH regulators include organic acids to inorganic acids, including acidic amino acids such as L-glutamic acid and L-aspartic acid, Kolthoff's buffer, Clark Lubs' buffer,
There are many types of buffer solutions, such as Michaelis' buffer. However, if only the pH is adjusted, a discoloration phenomenon will be observed over a long period of time. Therefore, as mentioned above, the selection of surfactant becomes very important. Among glycerol fatty acid esters, effective surfactants include polyglycerol fatty acid esters such as diglycerol fatty acid esters and triglycerol fatty acid esters, sorbitan fatty acid esters, and ethylene oxide adducts of hydroxy fatty acid triglycerides. It is valid. As described above, the selection of a surfactant is as important as adjusting the pH of water to stabilize the color tone of emulsified stick cosmetics, but there is no particular problem with the deterioration of other quality characteristics due to adjusting the pH of water. Of course, the same applies to surfactants. Note that the present invention is effective regardless of the general emulsification method or gel emulsification method. Next, we will show the effects of the above description using data. Before carrying out Examples 1 to 3, which will be described later, the following tests were conducted for the purpose of investigating the effects of pH and surfactants. (Test Example 1) Using glycerol monooleate as a surfactant, an emulsified stick cosmetic with a pink color having the following composition was prepared. (Composition weight %) Liquid paraffin 57.8 Solid paraffin 20.0 Lanolin 5.0 Glycerol monooleate 3.0 Sorbitol 2.0 Ion exchange water * 7.0 Red No. 202 0.2 Titanium oxide 5.0 In the above composition, adjust the pH using the following PH buffer in ion exchange water. Made many changes. PH PH buffer 2 Potassium chloride - hydrochloric acid 3 Potassium hydrogen phthalate - hydrochloric acid 4 Potassium phthalate - sodium hydroxide 5 Potassium phthalate - sodium hydroxide 6 Potassium phthalate - sodium hydroxide 7 Dipotassium hydrogen phosphate - sodium hydroxide 8 Dipotassium hydrogen phosphate - Sodium hydroxide 9 Sodium borate - Sodium carbonate 10 Sodium borate - Sodium carbonate 11 Sodium borate - Sodium carbonate Change the pH as above and use a colorimeter (Hitachi Color Analyzer). The degree of discoloration was measured. The results are shown in Table-1.

【表】 表―1に示すように、PHが2.0〜5.0の範囲にあ
る試料No.1〜No.4(この試料は本発明範囲に属す
る)では、変色度(△E)が小さくなることがわ
かつた。特に3週間後における変色度が極めて小
さくなることがわかつた。 (試験例 2) 表2に示す組成により乳化スチツク化粧料を作
製した。 なお、No.11〜No.14はピンク系、No.15,No.16はレ
ツド系であつた。 各試料につき、水のPHを測定したところ、No.11
〜No.15はPH5.7,No.16はPH3.0であつた。No.11〜No.
15は本発明範囲外の試料であり、No.16は本発明範
囲内の試料である。
[Table] As shown in Table 1, the degree of discoloration (△E) is small for samples No. 1 to No. 4 (this sample belongs to the scope of the present invention) whose pH is in the range of 2.0 to 5.0. I understood. In particular, it was found that the degree of discoloration after 3 weeks was extremely small. (Test Example 2) Emulsified stick cosmetics were prepared with the composition shown in Table 2. Note that No. 11 to No. 14 were pink, and No. 15 and No. 16 were red. When the PH of water was measured for each sample, No. 11
~ No. 15 had a pH of 5.7, and No. 16 had a pH of 3.0. No.11~No.
No. 15 is a sample outside the scope of the present invention, and No. 16 is a sample within the scope of the present invention.

【表】 以上のようにして作製した試料につき試験例1
と同様に変色度を調査した。なお、No.15,No.16に
ついては、官能判定も行つた。 調査結果を表―3に示す。
[Table] Test example 1 for the sample prepared as above
The degree of discoloration was investigated in the same manner. For No. 15 and No. 16, sensory evaluation was also conducted. The survey results are shown in Table 3.

【表】 試験例1の試料No.1〜No.4と、試験例2の試料
No.16とを比較すると、界面活性剤としてジグリセ
ロールジイソステアレートを用いた場合(No.16)
には、グリセロールモノオレートを用いた場合
(No.1〜No.4)よりも2週間後の△Eが小さいの
みならず、2週間後と3ケ月後の△Eの間にも変
化がなく、界面活性剤としてジグリセロールジイ
ソステアレートが好ましいことがわかつた。 ただ、同じくジグリセロールジイソステアレー
トを使用した場合であつても、PHが2.0〜5.0の範
囲外の場合には、かかる効果は生じないこともわ
かつた。 以上の試験結果に基づき、好ましい実施例とし
て以下に述べる実施例1〜実施例3を行つた。 PHの調整は、実施例1〜実施例3で記載する(C)
において示す緩衝剤により行つたところ、PHは実
施例1は3.0、実施例2は4.0、実施例3は3.8であ
り、いずれも本発明の範囲内であつた。 それぞれの実施例につき、試験例と同様に変色
度を調べたところ、いずれの実施例においても、
2週間後の変色度、3ケ月後の変色度とも、試験
例2の試料No.16で得られたとほぼ同様の結果が得
られた。 実施例2 口紅 (A) 流動パラフイン 57.55重量% 固形パラフイン 15.0 ラノリン 5.0 香料 0.1 (B) ジグリセロールモノステアレート
3.0 ソルビトール 2.0 (C) イオン交換水 10.0 クエン酸カリウム 0.1 クエン酸 0.05 プロピレングリコール 2.0 (D) 赤色202号 0.2 酸化チタン 5.0 (製法)実施例1と同様につくる。 実施例3 スチツク状ホホ紅 (A) 流動パラフイン 20.9重量% スクワラン 20.0 固型パラフイン 8.0 カルナバワツクス 1.0 (B) ソルビタンセスキオレート 3.0 麦芽糖水溶液 2.0 (C) イオン交換水 20.0 1・3ブチレングリコール 1.0 Lグルタミン酸 0.1 (D) 赤色202号 1.0 赤色204号 1.0 酸化チタン 10.0 酸化鉄(赤) 2.0 カオリン 10.0 (製法)実施例1と同様につくる。
[Table] Samples No. 1 to No. 4 of Test Example 1 and Samples of Test Example 2
Comparing with No. 16, when diglycerol diisostearate is used as a surfactant (No. 16)
Not only was the △E after 2 weeks smaller than when glycerol monooleate was used (No. 1 to No. 4), but there was also no change between △E after 2 weeks and 3 months. It was found that diglycerol diisostearate is preferable as a surfactant. However, it has also been found that even when diglycerol diisostearate is used, such effects do not occur when the pH is outside the range of 2.0 to 5.0. Based on the above test results, Examples 1 to 3 described below were conducted as preferred examples. Adjustment of PH is described in Examples 1 to 3 (C)
The pH values were 3.0 for Example 1, 4.0 for Example 2, and 3.8 for Example 3, all of which were within the scope of the present invention. For each example, the degree of discoloration was investigated in the same manner as the test example, and in each example,
The degree of discoloration after two weeks and the degree of discoloration after three months were almost the same as those obtained with Sample No. 16 of Test Example 2. Example 2 Lipstick (A) Liquid paraffin 57.55% by weight Solid paraffin 15.0 Lanolin 5.0 Fragrance 0.1 (B) Diglycerol monostearate
3.0 Sorbitol 2.0 (C) Ion exchange water 10.0 Potassium citrate 0.1 Citric acid 0.05 Propylene glycol 2.0 (D) Red No. 202 0.2 Titanium oxide 5.0 (Production method) Produce in the same manner as in Example 1. Example 3 Sticky red paraffin (A) Liquid paraffin 20.9% by weight Squalane 20.0 Solid paraffin 8.0 Carnauba wax 1.0 (B) Sorbitan sesquiolate 3.0 Maltose aqueous solution 2.0 (C) Ion exchange water 20.0 1,3-butylene glycol 1.0 L glutamic acid 0.1 (D) Red No. 202 1.0 Red No. 204 1.0 Titanium oxide 10.0 Iron oxide (red) 2.0 Kaolin 10.0 (Production method) Produced in the same manner as in Example 1.

Claims (1)

【特許請求の範囲】 1 油性成分に、赤色202号と、界面活性剤の群
から選ばれる1種又は2種以上1〜5%と、多価
アルコール又は炭水化物の群から選ばれる1種又
は2種以上1〜10%と、水1〜50%とを配合した
乳化スチツク化粧料であつて、水にPH調整剤を加
えて、水のPHを2.0〜5.0にしたことを特徴とする
乳化スチツク化粧料。 2 界面活性剤がグリセロール脂肪酸エステル、
ジグリセロール脂肪酸エステル、トリグリセロー
ル脂肪酸エステル、ポリグリセロール脂肪酸エス
テル、ソルビタン脂肪酸エステル、ハイドロキシ
脂肪酸トリグリセライドのエチレンオキサイドの
群から選ばれる特許請求の範囲第1項記載の乳化
スチツク化粧料。
[Claims] 1. The oily component contains Red No. 202, 1 to 5% of one or more selected from the group of surfactants, and one or two selected from the group of polyhydric alcohols or carbohydrates. An emulsified stick cosmetic containing 1 to 10% of seeds or more and 1 to 50% of water, characterized in that a PH adjuster is added to the water to adjust the pH of the water to 2.0 to 5.0. Cosmetics. 2 The surfactant is glycerol fatty acid ester,
The emulsified stick cosmetic according to claim 1, which is selected from the group of ethylene oxide of diglycerol fatty acid ester, triglycerol fatty acid ester, polyglycerol fatty acid ester, sorbitan fatty acid ester, and hydroxy fatty acid triglyceride.
JP10429879A 1979-08-16 1979-08-16 Emulsified stick cosmetic Granted JPS5645405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10429879A JPS5645405A (en) 1979-08-16 1979-08-16 Emulsified stick cosmetic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10429879A JPS5645405A (en) 1979-08-16 1979-08-16 Emulsified stick cosmetic

Publications (2)

Publication Number Publication Date
JPS5645405A JPS5645405A (en) 1981-04-25
JPH0141602B2 true JPH0141602B2 (en) 1989-09-06

Family

ID=14377011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10429879A Granted JPS5645405A (en) 1979-08-16 1979-08-16 Emulsified stick cosmetic

Country Status (1)

Country Link
JP (1) JPS5645405A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10959933B1 (en) 2020-06-01 2021-03-30 The Procter & Gamble Company Low pH skin care composition and methods of using the same
US11110049B2 (en) 2017-06-23 2021-09-07 The Procter & Gamble Company Composition and method for improving the appearance of skin
US11622963B2 (en) 2018-07-03 2023-04-11 The Procter & Gamble Company Method of treating a skin condition

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59148713A (en) * 1983-02-10 1984-08-25 Shiseido Co Ltd Pencil-type cosmetic
US4695452A (en) * 1984-10-10 1987-09-22 Gannis Peter M Cosmetic stick
CN1126942A (en) * 1994-04-18 1996-07-17 吉斯特-布罗卡迪斯有限公司 Stable water-in-oil emulsions
US6013255A (en) * 1994-04-18 2000-01-11 Gist-Brocades B.V. Stable water-in-oil emulsions

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48103742A (en) * 1972-04-03 1973-12-26
JPS4999525A (en) * 1973-01-24 1974-09-20
JPS53127841A (en) * 1977-03-31 1978-11-08 Kanebo Ltd W/o-type lipstick
JPS5449337A (en) * 1977-09-24 1979-04-18 Kanebo Ltd W/o-type cosmetic stick

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48103742A (en) * 1972-04-03 1973-12-26
JPS4999525A (en) * 1973-01-24 1974-09-20
JPS53127841A (en) * 1977-03-31 1978-11-08 Kanebo Ltd W/o-type lipstick
JPS5449337A (en) * 1977-09-24 1979-04-18 Kanebo Ltd W/o-type cosmetic stick

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11110049B2 (en) 2017-06-23 2021-09-07 The Procter & Gamble Company Composition and method for improving the appearance of skin
US11622963B2 (en) 2018-07-03 2023-04-11 The Procter & Gamble Company Method of treating a skin condition
US10959933B1 (en) 2020-06-01 2021-03-30 The Procter & Gamble Company Low pH skin care composition and methods of using the same

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Publication number Publication date
JPS5645405A (en) 1981-04-25

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