JP2018131422A - Skin tone concealer - Google Patents
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Description
本発明は、肌色補正剤に関する。 The present invention relates to a skin color correction agent.
ファンデーション等のメイクアップ化粧料は肌を美しくみせるために、シミ、ソバカスのカバーの他、赤み等の肌色を補正することも目的の一つとなっている。従来、このような肌色の補正のためには、着色顔料が用いられ、例えば、赤みの補正にはグリーンの着色顔料である酸化クロムや水酸化クロム等を配合した化粧下地等が知られていた。しかしながら、このような着色顔料を含む化粧料による肌色補正は、厚塗り感や不自然さが出てしまっていた。そのため、このような着色顔料による肌色補正とは異なる、より自然な補正ができるようになれば、より好ましいものである。 Make-up cosmetics such as foundations also have a purpose of correcting skin color such as redness as well as spots and freckles to make the skin look beautiful. Conventionally, color pigments are used for such skin color correction, and for example, makeup bases containing green oxide pigments such as chromium oxide and chromium hydroxide are known for redness correction. . However, skin color correction with cosmetics containing such color pigments has resulted in a feeling of thick coating and unnaturalness. Therefore, it would be more preferable if a more natural correction different from the skin color correction using such a color pigment can be performed.
一方、酸化亜鉛蛍光体は、ＵＶ照射によって緑色に発光することが知られており、化粧料に添加できることが知られていた。しかしながら、このような酸化亜鉛蛍光体が肌色補正、特に赤みの補正に効果があることは知られていなかった。（特許文献１） On the other hand, zinc oxide phosphors are known to emit green light when irradiated with UV, and are known to be added to cosmetics. However, it has not been known that such zinc oxide phosphors are effective in correcting skin color, particularly redness. (Patent Document 1)
本発明は、従来とは異なる、より自然な肌色の演出を可能とする肌色補正剤とそれを含有する化粧料を提供するものである。 The present invention provides a skin color correction agent that enables the production of a more natural skin color, which is different from conventional ones, and a cosmetic containing the same.
本発明者は、酸化亜鉛蛍光体が、化粧料に配合して用いた際に、肌の赤みを補正し、従来にはない自然な肌色を演出する効果があることを見出し、本発明を完成するに至った。すなわち、本発明は、ＢＥＴ径が０．１μｍ以上２０μｍ未満である酸化亜鉛蛍光体からなる肌色補正剤である。また、上記肌色補正剤を含有する化粧料でもある。 The present inventor has found that the zinc oxide phosphor has the effect of correcting the redness of the skin when used in cosmetics and producing an unnatural natural skin color, and completed the present invention. It came to do. That is, the present invention is a skin color correction agent comprising a zinc oxide phosphor having a BET diameter of 0.1 μm or more and less than 20 μm. It is also a cosmetic containing the skin color correcting agent.
本発明の肌色補正剤は、赤みを補正して自然な肌色を演出することができる。また、優れた紫外線遮蔽能力を持ち合わせ、白色であるため、化粧料製剤自体の色に影響を与えず、様々な処方に適用することが可能であり、くすみ等を引き起こさず透明感を維持したまま、効果的な肌色補正を可能にすることができる。 The skin color correction agent of the present invention can produce a natural skin color by correcting redness. In addition, because it has excellent UV shielding ability and is white, it can be applied to various prescriptions without affecting the color of the cosmetic preparation itself, and it maintains transparency without causing dullness. Effective skin color correction can be enabled.
本発明は、ＢＥＴ径が０．１μｍ以上２０μｍ未満である酸化亜鉛蛍光体からなる肌色補正剤に関するものである。すなわち、酸化亜鉛蛍光体の持つ優れた肌色補正効果を見出し、完成されたものである。このような肌色補正剤は、メイクアップ化粧料に配合した場合に、自然な肌色を演出できるという点で好ましい。 The present invention relates to a skin color correction agent comprising a zinc oxide phosphor having a BET diameter of 0.1 μm or more and less than 20 μm. That is, an excellent skin color correction effect possessed by the zinc oxide phosphor has been found and completed. Such a skin color correction agent is preferable in that it can produce a natural skin color when blended in a makeup cosmetic.
本発明の肌色補正剤である酸化亜鉛蛍光体は、酸化亜鉛を還元焼成することで得られ、酸素欠陥を有しており、平均組成式はＺｎ１＋ｚＯ又はＺｎＯ１−ｘで表されると考えられているものである。 The zinc oxide phosphor that is the skin color correction agent of the present invention is obtained by reducing and firing zinc oxide, has oxygen defects, and the average composition formula is represented by Zn 1 + z O or ZnO 1-x. It is what is considered.
本発明の肌色補正剤である酸化亜鉛蛍光体は、ＢＥＴ径が０．１μｍ以上２０μｍ未満である。このような粒子径のものとすることで、化粧料原料として有用な材料とすることができる。より好ましくは、０．２μｍ以上１５μｍ未満であることが好ましく、さらに好ましくは、０．５μｍ以上１０μｍ未満である。また、１．２μｍ以下の場合、良好な紫外線遮蔽性を発揮することができる。 The zinc oxide phosphor that is the skin color correction agent of the present invention has a BET diameter of 0.1 μm or more and less than 20 μm. By setting it as such a particle diameter, it can be set as a useful material as a cosmetic raw material. More preferably, it is preferably 0.2 μm or more and less than 15 μm, and more preferably 0.5 μm or more and less than 10 μm. Moreover, when it is 1.2 μm or less, good ultraviolet shielding properties can be exhibited.
本明細書中、ＢＥＴ径とは、ＢＥＴ比表面積の値から粒子を球形とみなして算出した平均一次粒子径（換算径）である。具体的には、後述する実施例に記載の方法により求めることができる。 In the present specification, the BET diameter is an average primary particle diameter (converted diameter) calculated by regarding a particle as a sphere from the value of the BET specific surface area. Specifically, it can be determined by the method described in Examples described later.
本発明の本発明の肌色補正剤である酸化亜鉛蛍光体はその製造方法は特に限定されるものではないが、例えば、酸化亜鉛および硫化亜鉛を混合し、還元焼成する製造方法によって得られる。 The method for producing the zinc oxide phosphor which is the skin color correcting agent of the present invention is not particularly limited. For example, the zinc oxide phosphor is obtained by a production method in which zinc oxide and zinc sulfide are mixed and subjected to reduction firing.
本発明は、上述した肌色補正剤を含む化粧料でもある。本発明における化粧料への酸化亜鉛蛍光体の配合量は、全組成中０．５〜９０重量％、特に１〜８５重量％が好ましい。配合量が０．５重量％未満であれば、肌色補正能力が低く、９０重量％よりも多いと、きしみ感が増し、透明性が低下するためである。 This invention is also cosmetics containing the skin color correction agent mentioned above. The blending amount of the zinc oxide phosphor in the cosmetic according to the present invention is preferably 0.5 to 90% by weight, particularly 1 to 85% by weight in the total composition. This is because if the blending amount is less than 0.5% by weight, the skin color correcting ability is low, and if it is more than 90% by weight, the squeaky feeling increases and the transparency decreases.
本発明の肌色補正剤を配合した化粧料は、上記肌色補正剤以外に、化粧品分野において使用することができる任意の水性成分、油性成分を併用してもよい。上記水性成分及び油性成分としては特に限定されず、例えば、油剤、界面活性剤、保湿剤、高級アルコール、金属イオン封鎖剤、天然及び合成高分子、水溶性及び油溶性高分子、紫外線遮蔽剤、各種抽出液、色剤（顔料、染料等）、防腐剤、酸化防止剤、色素、増粘剤、ｐＨ調整剤、香料、冷感剤、制汗剤、殺菌剤、皮膚賦活剤、各種粉体等が挙げられる。これらの配合成分の配合量は、本発明の効果を損なわない範囲であれば特に限定されない。 The cosmetic containing the skin color correction agent of the present invention may be used in combination with any aqueous component or oily component that can be used in the cosmetic field in addition to the above skin color correction agent. The aqueous component and the oil component are not particularly limited, and examples thereof include oil agents, surfactants, humectants, higher alcohols, sequestering agents, natural and synthetic polymers, water-soluble and oil-soluble polymers, UV shielding agents, Various extracts, colorants (pigments, dyes, etc.), preservatives, antioxidants, pigments, thickeners, pH adjusters, fragrances, cooling agents, antiperspirants, fungicides, skin activators, various powders Etc. The compounding amounts of these compounding components are not particularly limited as long as the effects of the present invention are not impaired.
以下、実施例に基づいて本発明を詳細に説明するが、本発明はこれらの実施例のみに限定されるものではない。なお、特に断らない限り、以下に記載する「％」は「重量％」を意味する。 EXAMPLES Hereinafter, although this invention is demonstrated in detail based on an Example, this invention is not limited only to these Examples. Unless otherwise specified, “%” described below means “% by weight”.
（参考例１：酸化亜鉛蛍光体Ａの作製）酸化亜鉛（堺化学工業製、微細酸化亜鉛）９５ｇと硫化亜鉛（堺化学工業製、ＲＡＫ−Ｔ）５ｇを秤量し、３０分間かけて充分に乾式混合を行った。得られた原料混合物を、アルミナ坩堝に全量充填し、窒素雰囲気下１１００℃で１時間焼成した。得られた焼成物を粉砕し、篩を通し、ＢＥＴ径が１μｍの酸化亜鉛蛍光体Ａを得た。 (Reference Example 1: Production of zinc oxide phosphor A) 95 g of zinc oxide (manufactured by Sakai Chemical Industry, fine zinc oxide) and 5 g of zinc sulfide (manufactured by Sakai Chemical Industry, RAK-T) were weighed and sufficiently taken over 30 minutes. Dry mixing was performed. The total amount of the obtained raw material mixture was filled in an alumina crucible and fired at 1100 ° C. for 1 hour in a nitrogen atmosphere. The obtained fired product was pulverized and passed through a sieve to obtain a zinc oxide phosphor A having a BET diameter of 1 μm.
（参考例２：酸化亜鉛蛍光体Ｂの作製）酸化亜鉛（堺化学工業製、微細酸化亜鉛）２０ｇ、硫化亜鉛（堺化学工業製、ＲＡＫ−Ｔ）０．０１７９ｇ、炭酸水素ナトリウム（関東化学社製、特級）０．０１０５ｇを秤量し、３０分間かけて充分に乾式混合を行った。得られた原料混合粉をアルミナ坩堝に全量充填し、１体積％Ｈ２／Ｎ２雰囲気中で２００℃／時にて８５０℃まで昇温し、そのまま２時間保持した後、２００℃／時で降温した。こうして得られた焼成物を乳鉢で解砕し、アルミナ坩堝に全量充填した後、大気雰囲気にて２００℃／時で７００℃まで昇温し、そのまま１時間保持後、２００℃／時で降温した。その後、得られた粉体を水洗、ろ過した。ろ過は、電気伝導度が０．５ｍＳ／ｍ以下になるまで洗浄を行った。得られたケーキを１３０℃の乾燥機で一晩乾燥し、ＢＥＴ径が１．１８μｍの酸化亜鉛蛍光体Ｂを得た。 (Reference Example 2: Production of zinc oxide phosphor B) Zinc oxide (manufactured by Sakai Chemical Industry, fine zinc oxide) 20 g, zinc sulfide (manufactured by Sakai Chemical Industry, RAK-T) 0.0179 g, sodium hydrogen carbonate (Kanto Chemical Co., Inc.) (Product made, special grade) 0.0105 g was weighed and thoroughly dry-mixed for 30 minutes. The total amount of the obtained raw material mixed powder was filled in an alumina crucible, heated to 850 ° C. at 200 ° C./hour in a 1% by volume H 2 / N 2 atmosphere, held for 2 hours, and then cooled at 200 ° C./hour. The fired product thus obtained was crushed in a mortar and filled in an alumina crucible, and then the temperature was raised to 700 ° C. at 200 ° C./hour in the air, held for 1 hour, and then lowered at 200 ° C./hour. . Thereafter, the obtained powder was washed with water and filtered. The filtration was performed until the electric conductivity was 0.5 mS / m or less. The obtained cake was dried overnight at 130 ° C. to obtain a zinc oxide phosphor B having a BET diameter of 1.18 μm.
（参考例３：酸化亜鉛蛍光体Ｃの作製）酸化亜鉛（堺化学工業製、微細酸化亜鉛）２０ｇ、硫化亜鉛（堺化学工業製、ＲＡＫ−Ｔ）０．０１７９ｇ、炭酸水素ナトリウム（関東化学社製、特級）０．０１０５ｇを秤量し、３０分間かけて充分に乾式混合を行った。得られた原料混合粉をアルミナ坩堝に全量充填し、１体積％Ｈ２／Ｎ２雰囲気中で２００℃／時にて８５０℃まで昇温し、そのまま２時間保持した後、２００℃／時で降温した。こうして得られた焼成物を乳鉢で解砕した後、得られた粉体を水洗、ろ過した。ろ過は、電気伝導度が０．５ｍＳ／ｍ以下になるまで洗浄を行った。得られたケーキを１３０℃の乾燥機で一晩乾燥し、ＢＥＴ径が１．１８μｍの酸化亜鉛蛍光体Ｃを得た。 (Reference Example 3: Production of zinc oxide phosphor C) 20 g of zinc oxide (manufactured by Sakai Chemical Industry, fine zinc oxide), 0.0179 g of zinc sulfide (manufactured by Sakai Chemical Industry, RAK-T), sodium bicarbonate (Kanto Chemical Co., Inc.) (Product made, special grade) 0.0105 g was weighed and thoroughly dry-mixed for 30 minutes. The total amount of the obtained raw material mixed powder was filled in an alumina crucible, heated to 850 ° C. at 200 ° C./hour in a 1% by volume H 2 / N 2 atmosphere, held for 2 hours, and then cooled at 200 ° C./hour. The fired product thus obtained was crushed in a mortar, and the obtained powder was washed with water and filtered. The filtration was performed until the electric conductivity was 0.5 mS / m or less. The obtained cake was dried overnight at 130 ° C. to obtain a zinc oxide phosphor C having a BET diameter of 1.18 μm.
（実施例１〜３）参考例１〜３にて得られた酸化亜鉛蛍光体Ａ〜Ｃを用いて、表１に示す配合量でクリームを作製した。なお、表１記載の配合量の単位は全て「質量部」である。（製造方法）Ａ：成分１〜６を混合し、加熱する。Ｂ：成分７〜１４（実施例２は成分７〜１３および１５、実施例３は成分７〜１３および１６）を均一に混合し、加熱する。Ｃ：ＢにＡを添加して乳化し、冷却してそれぞれの日焼け止めＯ／Ｗクリーム（実施例１〜３）を得た。 (Examples 1 to 3) Using the zinc oxide phosphors A to C obtained in Reference Examples 1 to 3, creams were prepared in the amounts shown in Table 1. In addition, the unit of the compounding amount described in Table 1 is “part by mass”. (Production method) A: Components 1 to 6 are mixed and heated. B: Components 7 to 14 (Example 2 is components 7 to 13 and 15, Example 3 is components 7 to 13 and 16) are uniformly mixed and heated. C: A was added to B, emulsified, and cooled to obtain respective sunscreen O / W creams (Examples 1 to 3).
（比較例１）参考例にて得られた酸化亜鉛蛍光体を添加しない以外は、実施例１と同様の方法でクリームを作製した。 Comparative Example 1 A cream was prepared in the same manner as in Example 1 except that the zinc oxide phosphor obtained in the reference example was not added.
（比較例２）参考例にて得られた酸化亜鉛蛍光体の代わりに、成分１７（市販の酸化亜鉛：堺化学工業製、ＸＺ−１０００Ｆ−ＬＰ）を用いた以外は、実施例１と同様の方法でクリームを作製した。 (Comparative example 2) It replaced with the zinc oxide fluorescent substance obtained in the reference example, and was the same as Example 1 except having used the component 17 (commercially available zinc oxide: Sakai Chemical Industry make, XZ-1000F-LP). A cream was prepared by the method described above.
（赤み補正の効果） ５人のパネラーに対し、実施例および比較例で得られたクリームを顔の半分に塗布し、目視にて赤みの補正効果を「赤みがよく抑えられている。自然な色味になった、透明感が増した（３点）」「赤みがやや抑えられている。やや透明感が出た。（２点）」、「赤みは抑えられていない。変わらない（１点）」の３段階で点数評価した。それぞれの評価の平均値を求めた。 (Effect of redness correction) For the five panelists, the creams obtained in the examples and comparative examples were applied to half of the face, and the redness correction effect was visually "redness is well suppressed. Natural. The color became clear, the transparency increased (3 points), “redness was somewhat suppressed. Transparency was slightly generated (2 points)”, “redness was not suppressed. (1) The score was evaluated in three stages. The average value of each evaluation was calculated | required.
（ＵＶ照射時の発光の有無）実施例および比較例で得られたクリームをＵＶランプ（フナコシ社製、ＣｏｍｐａｃｔＵＶ Ｌａｍｐ，４Ｗ,ＵＶＧＬ−２５,２５４/３６５ｎｍ,１００Ｖ）を用い、以下のようにして発光の有無を確認した。実施例および比較例で得られたクリーム０．３gをバイオスキンに均一に塗布し、ＵＶランプ（波長３６５ｎｍ、発光強度７２０μＷ/ｃｍ２）を照射し、発光の有無を確認した。 (Presence / absence of light emission during UV irradiation) The creams obtained in Examples and Comparative Examples were used as follows using a UV lamp (manufactured by Funakoshi, CompactUV Lamp, 4W, UVGL-25, 254/365 nm, 100 V). The presence or absence of luminescence was confirmed. 0.3 g of the cream obtained in Examples and Comparative Examples was uniformly applied to the bioskin, and irradiated with a UV lamp (wavelength 365 nm, emission intensity 720 μW / cm 2) to confirm the presence or absence of light emission.
（ＢＥＴ径）以下の（１）の条件によりＢＥＴ比表面積（ＳＳＡ）の測定を行い、得られたＢＥＴ比表面積より、下記の計算式（２）を用いて、ＢＥＴ径（μｍ）を算出した。但し、酸化亜鉛の密度は、５．６７ｇ／ｃｍ２である。（１）−測定条件−使用機：マウンテック社製、Ｍａｃｓｏｒｂ Ｍｏｄｅｌ ＨＭ−１２２０雰囲気：窒素ガス（Ｎ２）外部脱気装置の脱気条件：１０５℃−１５分比表面積測定装置本体の脱気条件：１０５℃−５分（２）計算式ＢＥＴ径（μｍ）＝２×３／（ＢＥＴ比表面積×酸化亜鉛の密度） (BET diameter) The BET specific surface area (SSA) was measured under the following conditions (1), and the BET diameter (μm) was calculated from the obtained BET specific surface area using the following calculation formula (2). . However, the density of zinc oxide is 5.67 g / cm2. (1)-Measurement conditions-Machine: Mactec Model HM-1220, manufactured by Mountec Co., Ltd. Atmosphere: Nitrogen gas (N2) Degassing conditions of external degassing device: Degassing conditions of main body measuring device for specific surface area of 105 ° C-15 minutes: 105 ° C. for 5 minutes (2) Formula BET diameter (μm) = 2 × 3 / (BET specific surface area × Zinc oxide density)
表１の結果から、以下のことが確認された。本発明の酸化亜鉛蛍光体からなる肌色補正剤は、赤みを補正する効果に優れ、自然な色味を演出できることがわかった。 From the results in Table 1, the following was confirmed. It has been found that the skin color correcting agent comprising the zinc oxide phosphor of the present invention is excellent in the effect of correcting redness and can produce a natural color.
（処方例：ファンデーション）参考例３にて得られた酸化亜鉛蛍光体Ｃを用いて、表２に示す配合量でファンデーションを作製した。なお、表２に示す配合量の単位は全て「質量部」である。（製造方法）成分１〜１４を均一に混合し、プレスすることにより、ファンデーションを得た。 (Formulation example: foundation) Using the zinc oxide phosphor C obtained in Reference Example 3, a foundation was prepared with the blending amounts shown in Table 2. In addition, the unit of the compounding amount shown in Table 2 is “part by mass”. (Production method) Components 1 to 14 were uniformly mixed and pressed to obtain a foundation.
本発明の肌色補正剤は、従来の着色顔料とは異なる自然な肌色補正を可能とし、化粧料用素材として好適に使用することができる。
The skin color correction agent of the present invention enables natural skin color correction different from conventional color pigments and can be suitably used as a cosmetic material.
Claims (2)
A cosmetic comprising the skin color correcting agent according to claim 1.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020204193A1 (en) | 2019-04-05 | 2020-10-08 | 株式会社 資生堂 | Composition comprising ultraviolet wavelength conversion substance |
| WO2020204195A1 (en) | 2019-04-05 | 2020-10-08 | 株式会社 資生堂 | Composition containing ultraviolet wavelength-converting substance and hydrophobized silica and/or hydrophobized starch |
| WO2020204196A1 (en) | 2019-04-05 | 2020-10-08 | 株式会社 資生堂 | Emulsion composition comprising ultraviolet wavelength conversion substance and organic oily phase thickener |
| WO2020204189A1 (en) | 2019-04-05 | 2020-10-08 | 株式会社 資生堂 | Oil-in-water type emulsification composition containing uv wavelength conversion substance |
| JP2021107369A (en) * | 2019-12-27 | 2021-07-29 | 株式会社 資生堂 | Composition containing ultraviolet wavelength-converting substance |
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