JP6866412B2 - 油中水型乳化化粧料 - Google Patents
油中水型乳化化粧料 Download PDFInfo
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- JP6866412B2 JP6866412B2 JP2019035110A JP2019035110A JP6866412B2 JP 6866412 B2 JP6866412 B2 JP 6866412B2 JP 2019035110 A JP2019035110 A JP 2019035110A JP 2019035110 A JP2019035110 A JP 2019035110A JP 6866412 B2 JP6866412 B2 JP 6866412B2
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- JP
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- Prior art keywords
- water
- oil emulsified
- emulsified cosmetic
- cosmetic
- oil
- 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.)
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- CENPSTJGQOQKKW-UHFFFAOYSA-N 2,4,6-tris(4-phenylphenyl)-1,3,5-triazine Chemical compound C1=CC=CC=C1C1=CC=C(C=2N=C(N=C(N=2)C=2C=CC(=CC=2)C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC=CC=2)C=C1 CENPSTJGQOQKKW-UHFFFAOYSA-N 0.000 claims description 13
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- 239000007787 solid Substances 0.000 claims description 5
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- 239000003921 oil Substances 0.000 description 39
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- 229910052749 magnesium Inorganic materials 0.000 description 1
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- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
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- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000001333 moisturizer Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- YZUUTMGDONTGTN-UHFFFAOYSA-N nonaethylene glycol Chemical compound OCCOCCOCCOCCOCCOCCOCCOCCOCCO YZUUTMGDONTGTN-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- FMJSMJQBSVNSBF-UHFFFAOYSA-N octocrylene Chemical group C=1C=CC=CC=1C(=C(C#N)C(=O)OCC(CC)CCCC)C1=CC=CC=C1 FMJSMJQBSVNSBF-UHFFFAOYSA-N 0.000 description 1
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- 235000014593 oils and fats Nutrition 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
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- 108010049063 ornithylaspartate Proteins 0.000 description 1
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- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229940061571 peg-9 dimethicone Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- WCVRQHFDJLLWFE-UHFFFAOYSA-N pentane-1,2-diol Chemical compound CCCC(O)CO WCVRQHFDJLLWFE-UHFFFAOYSA-N 0.000 description 1
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Images
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- Cosmetics (AREA)
Description
[発明1]
次の成分(A)〜(D):
(A)1〜10質量%のトリスビフェニルトリアジン、
(B)1〜25質量%の疎水化処理顔料級酸化チタン、
(C)水、
(D)油剤、
を含有する、油中水型乳化化粧料。
[発明2]
成分(E):その他水性成分、
を含有する発明1に記載の油中水型乳化化粧料。
[発明3]
成分(C)に対する成分(E)の含有質量比(E/C)が0〜1(0を含まず)である、発明2に記載の油中水型乳化化粧料。
[発明4]
一層である、発明1〜3のいずれか一項に記載の油中水型乳化化粧料。
[発明5]
粘度が50〜130Pa・sである、発明1〜4のいずれか一項に記載の油中水型乳化化粧料。
[発明6]
化粧料をバイオシミプレートに塗布した時、シミ部と健常部の色差値ΔEが4.0以下である、発明1〜5のいずれか一項に記載の油中水型乳化化粧料。
本発明の油中水型乳化化粧料は、紫外線吸収剤としてトリスビフェニルトリアジンを含有する。トリスビフェニルトリアジンを用いることにより、本発明の化粧料は、紫外線散乱剤及び顔料級酸化チタンを高配合しなくても、高い紫外線防御効果を維持又はこれまで以上の効果を有する。
本発明の油中水型乳化化粧料は、紫外線散乱効果や着色を目的として疎水化処理顔料級酸化チタンを含有する。
本発明の化粧料は、油中水型乳化化粧料の基材として水を含有する。
本発明の化粧料は、油中水型乳化化粧料の基材として当業者が通常考える油剤を含有する。ここで「油剤」とは、動物油、植物油、合成油等の起源の炭化水素類、油脂類、ロウ類、硬化油類、エステル油類、脂肪酸類、高級アルコール類、シリコーン油類、フッ素系油類、ラノリン誘導体類、油溶性紫外線吸収剤等をいう。固形油、半固形油、液体油、揮発性油等の性状を問わない。これらの一種、又はこれらの同種又は異種の剤を二種以上組み合わせて使用出来る。
本発明の化粧料は、本発明の効果を損ねない限り、トリスビフェニルトリアジン以外の水性成分を含有してもよい。水性成分として、例えばアルコール及びその誘導体、有機酸及びその塩、有機又は無機酸のアミン塩、無機塩が挙げられる。
本発明の化粧料は、本発明の効果を損ねない限り、更に公知の化粧料原料であって油中水型乳化化粧料に配合可能であると当業者が通常考えるものを含有してもよい。例えば、界面活性剤、乳化剤、疎水化処理無機粉体、増粘剤、安定剤、保湿剤、紫外線散乱剤、紫外線吸収剤、pH調整剤、抗酸化剤、抗菌剤、防腐剤、スキンケア剤、潤滑剤、収斂剤、エモリエント剤、ツヤ出し剤、光沢剤、消泡剤、撥水性被膜剤、保護剤等が挙げられる。これら2以上の用途・効果が重複しているものも使用出来る。
本発明の油中水型乳化化粧料は長期的な保存安定性を有する。
本発明の油中水型乳化化粧料は半固形であり、静置していても複数層に分離することなく、一層の乳化状態を保ち続ける。粘度はとくに限定されないが、半固形状ファンデーションとして当業者が適切と考える粘度が好ましい。例えば約50〜約130Pa・sであり、好ましくは約60〜約120Pa・sである。
本発明の油中水型乳化化粧料は皮膚に高い紫外線防御効果を有する。SPF(Sun Protection Factor)値はとくに限定されないが、日焼け止めとして当業者が適切と考えるSPF値が好ましい。例えば約15以上、約20以上、約25以上、約30以上、約35以上、約40以上、約45以上、約50以上、約55以上、等の値が挙げられ、好ましくは約35以上、約40以上、約45以上、約50以上、又は約55以上である。
本発明の油中水型乳化化粧料は高いカバー力を有するため、シミやそばかすを効果的にカバーでき、厚ぼったくならず自然な仕上がりが得られる。定量的な指標として、例えば、バイオシミプレートを用いた評価が挙げられる。具体的には、化粧料をバイオシミプレートへ塗布し、シミ部と健常部の色差値ΔEを測定する。本発明の化粧料の前記ΔEは特に限定されないが、好ましくは約4.0以下、さらにいっそう好ましくは約3.8以下である。
得られた乳白濁液の状態を、以下の評価基準に基づいて評価した。
<状態>
得られた乳白濁液をガラスプレート上に室温で5分静置した後、プレートを45度に傾けた様子を、以下の2段階で評価した(3人のパネラーによる統一見解)。
凝集して、流動性が見られなかった・・・・・・・・・・・・・・・・・・・凝集
凝集物は全く又はほとんど確認されず、均一性及び流動性を保っていた・・・ ○
<安定性>
得られた化粧料を−5℃、室温、45℃に保管し、1ヶ月後の状態を以下の2段階で評価した(3人のパネラーによる統一見解)。
2層に分離していた・・・×
一層を保っていた・・・・○
B型粘度計(東機産業社製 TVB−10H)を用いて、測定温度25℃、ローターNo.7、回転速度10rpm、測定時間30秒にて粘度を測定した。
一辺が5cmのPMMAプレート(HELIOPLATETM HD6)にサンプルを1.3mg/cm2になるように塗布し、15分間自然乾燥させた後、UV−2000S SPFアナライザー(Labsphere社製)を用いて異なる場所9ヶ所の紫外線吸収スペクトルを検出し、平均化してSPF値を算出した。
バイオシミプレート(ビューラックス社製)のシミ部と健常部に2mg/cm2となるように3cm四方にサンプルを塗布し、20分間自然乾燥させた後、分光測色計(コニカミノルタ社製 CM−700d)を用いて測色し、シミ部と健常部の色差値ΔEを算出した。
実施例2と比較例1を比べると、トリスビフェニルトリアジンを含む実施例2は、それを含まない比較例1よりも高いSPF値を示しただけでなく、高いカバー力を示した。
実施例3と比較例2を比べると、トリスビフェニルトリアジンの代わりにメトキシケイヒ酸エチルヘキシルを増やした比較例2は実施例3と同じ程度のSPF値を示したが、比較例2は安定性とカバー力において優れた効果を示さなかった。
実施例3と比較例1を比べると、実施例3は比較例1より疎水化処理顔料級酸化チタンが低量であるにもかかわらず、トリスビフェニルトリアジンを含むことにより、高いSPF値を示しただけでなく、高いカバー力を示した。
疎水化処理顔料級酸化チタンをごく低量(0.50質量%)配合した比較例3は、安定性とカバー力において優れた効果を示さなかっただけでなく、分離や凝集が生じてSPF値の正確な測定ができなかった。
疎水化処理顔料級酸化チタンの代わりに疎水化処理微粒子酸化チタンを配合した比較例4もまた、安定性とカバー力において優れた効果を示さなかっただけでなく、分離や凝集が生じてSPF値の正確な測定ができなかった。
Claims (7)
- 次の成分(A)〜(D):
(A)1〜10質量%のトリスビフェニルトリアジン、
(B)5〜25質量%の、180〜1000nmの一次粒子径を有する疎水化処理酸化チタン、
(C)水、
(D)油剤、
を含有する、油中水型乳化化粧料。 - 成分(E):その他水性成分、
を含有する請求項1に記載の油中水型乳化化粧料。 - 成分(C)に対する成分(E)の含有質量比(E/C)が0〜4.89/14.9(0を含まず)である、請求項2に記載の油中水型乳化化粧料。
- 一層である、請求項1〜3のいずれか一項に記載の油中水型乳化化粧料。
- 粘度が50〜130Pa・sである、請求項1〜4のいずれか一項に記載の油中水型乳化化粧料。
- 化粧料をバイオシミプレートに塗布した時、シミ部と健常部の色差値ΔEが4.0以下である、請求項1〜5のいずれか一項に記載の油中水型乳化化粧料。
- 半固形状ファンデーションである、請求項1〜6のいずれか一項に記載の油中水型乳化化粧料。
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