JP2010090074A - Sun-screening cosmetic - Google Patents

Sun-screening cosmetic Download PDF

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JP2010090074A
JP2010090074A JP2008263283A JP2008263283A JP2010090074A JP 2010090074 A JP2010090074 A JP 2010090074A JP 2008263283 A JP2008263283 A JP 2008263283A JP 2008263283 A JP2008263283 A JP 2008263283A JP 2010090074 A JP2010090074 A JP 2010090074A
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feeling
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sun
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ultraviolet
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Tadashi Yamamoto
直史 山本
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Kao Corp
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Kao Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sun-screening cosmetic that maintains an excellent sense of use and excellent water resistance by reducing a feeling of greasiness and a creaky feeling while keeping a high ultraviolet protecting effect in a UV-A region. <P>SOLUTION: The sun-screening cosmetic comprises (A) (diphenyl dimethicone/vinyl diphenyl dimethicone/silsesquioxane) crosspolymer, (B) a high molecular silicone compound represented by general formula (1) (wherein R<SB>1</SB>s are each methyl or phenyl (the whole R<SB>1</SB>s are not simultaneously phenyl); R<SB>2</SB>s are each methyl or hydroxy; and n is an integer of 600-2,500) and (C) an ultraviolet light absorber exhibiting a solid or pasty state at 20&deg;C and having the maximum absorption wavelength in a UV-A region. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、日焼け止め化粧料に関し、更に詳しくは、高い紫外線防御効果を維持しつつ、べたつき感、きしみ感が軽減された優れた使用感が持続し、耐水性にも優れる日焼け止め化粧料に関する。   The present invention relates to a sunscreen cosmetic, and more particularly, to a sunscreen cosmetic that maintains a high UV protection effect, maintains a feeling of stickiness and a feeling of squeaky, and maintains excellent water resistance. .

従来、日焼け止め化粧料に期待される紫外線防御効果としては、主にサンバーンを起こすと考えられているUV−B領域(290〜320nm)の紫外線に対するものであった。ところが近年UV−A領域(320〜400nm)の紫外線は皮膚を黒化させるのとともに皮膚の深部にまで到達し、皮膚の老化を促進し、皮膚ガンの原因になりうると考えられている。このように、日焼け止め化粧料にはUV−B領域だけでなくUV−A領域にも高い紫外線防御効果が求められている。   Conventionally, the ultraviolet ray protection effect expected for sunscreen cosmetics has been mainly against ultraviolet rays in the UV-B region (290 to 320 nm) that are considered to cause sunburn. However, in recent years, ultraviolet rays in the UV-A region (320 to 400 nm) are considered to darken the skin and reach the deep part of the skin, promote aging of the skin, and cause skin cancer. Thus, sunscreen cosmetics are required to have a high ultraviolet protection effect not only in the UV-B region but also in the UV-A region.

日焼け止め化粧料には、ベンゾフェノン系化合物、パラアミノ安息香酸化合物、ケイ皮酸系化合物等の紫外線吸収剤や、酸化チタン、微粒子酸化チタン、酸化亜鉛、微粒子酸化亜鉛等の紫外線散乱剤が配合されている(例えば、特許文献1〜3参照)。   Sunscreen cosmetics contain UV absorbers such as benzophenone compounds, paraaminobenzoic acid compounds, and cinnamic acid compounds, and UV scattering agents such as titanium oxide, fine particle titanium oxide, zinc oxide, and fine particle zinc oxide. (For example, refer to Patent Documents 1 to 3).

さらに、UV−A領域の紫外線吸収剤として4−tert−ブチル−4−メトキシジベンゾイルメタンやジエチルアミノヒドロキシベンゾイル安息香酸ヘキシルが知られており、メトキシケイ皮酸2−エチルヘキシルと組み合わせて紫外線吸収効果の持続性を向上させた皮膚外用剤が開発されている。しかしながら、UV−A領域の紫外線吸収剤の多くは常温で固形又はペースト状であり、これらを含んだ日焼け止め化粧料はきしみ感、べたつき感を生じる場合があり、使用感の向上が望まれていた。   Furthermore, 4-tert-butyl-4-methoxydibenzoylmethane and diethylaminohydroxybenzoyl hexyl benzoate are known as UV absorbers in the UV-A region, and have an ultraviolet absorption effect in combination with 2-ethylhexyl methoxycinnamate. A topical skin preparation with improved durability has been developed. However, many UV absorbers in the UV-A region are solid or pasty at room temperature, and sunscreen cosmetics containing these may cause squeaky and sticky feelings, and improvement in the feeling of use is desired. It was.

このような紫外線吸収剤のべたつきを軽減するために様々な試みがなされており、例えば特定のシリコーン誘導体と組み合わせてべたつきを改善することが提案されている(特許文献4参照)。また、一般に日焼け止め化粧料には、汗などにより落ちないよう耐水性が求められている。   Various attempts have been made to reduce such stickiness of the UV absorber, and for example, it has been proposed to improve stickiness in combination with a specific silicone derivative (see Patent Document 4). In general, sunscreen cosmetics are required to have water resistance so that they do not fall off due to sweat or the like.

特開平5−025028号公報JP-A-5-025028 特開平9−227350号公報JP-A-9-227350 特開2000−273011号公報JP 2000-273011 A 特開2007−131612号公報JP 2007-131612 A

本発明は、UV−A領域に高い紫外線防御効果を維持しつつ、べたつき感、きしみ感を軽減することにより、優れた使用感が持続し、耐水性にも優れる日焼け止め化粧料を提供することを目的とする。   The present invention provides a sunscreen cosmetic that maintains an excellent feeling of use and is excellent in water resistance by reducing stickiness and squeakiness while maintaining a high UV protection effect in the UV-A region. With the goal.

本発明者らは、UV−A領域の紫外線吸収剤に、シリコーンゴムをシリコーンレジンで被覆した複合粉体と高分子シリコーン化合物を組み合わせて日焼け止め化粧料とすることにより、紫外線吸収剤によるべたつき感やきしみ感が顕著に軽減され、優れた使用感が持続し、耐水性にも優れる日焼け止め化粧料が得られることを見出し、本発明を完成した。即ち、本発明は、(A)(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマー、(B)下記一般式(1)で表される高分子シリコーン化
合物及び(C)20℃で固形状又はペースト状を呈し、UV−A領域に最大吸収波長を有する紫外線吸収剤を含有する日焼け止め化粧料にある。
The present inventors combined a composite powder obtained by coating a silicone rubber with a silicone resin and a high molecular weight silicone compound into an ultraviolet absorber in the UV-A region to form a sunscreen cosmetic, thereby making the sticky feeling due to the ultraviolet absorber. The present inventors have found that a sunscreen cosmetic that can remarkably reduce the squeaky feeling, has an excellent feeling of use, and has excellent water resistance can be obtained. That is, the present invention comprises (A) (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer, (B) a polymeric silicone compound represented by the following general formula (1), and (C) solidified at 20 ° C. It exists in the sunscreen cosmetics which show the shape or paste form, and contain the ultraviolet absorber which has the largest absorption wavelength in UV-A area | region.

Figure 2010090074
(式中、Rはメチル基又はフェニル基を表し(但し、全てがフェニル基ではない。)、Rはメチル基又は水酸基を表し、nは600〜2500の整数を表す。)
Figure 2010090074
(In the formula, R 1 represents a methyl group or a phenyl group (but not all are phenyl groups), R 2 represents a methyl group or a hydroxyl group, and n represents an integer of 600 to 2500.)

また、第2の本発明は、さらに(D)ポリメチルシルセスキオキサンを含有する上記の日焼け止め化粧料にある。   Moreover, 2nd this invention exists in said sunscreen cosmetics which further contain (D) polymethylsilsesquioxane.

本願発明に係る日焼け止め化粧料は、高い紫外線防御効果を有すると同時に、UV−A紫外線吸収剤によるべたつき感、きしみ感が軽減された優れた使用感が持続し、さらに耐水性にも優れている。   The sunscreen cosmetics according to the present invention have a high UV protection effect, and at the same time, have excellent feeling of use with reduced stickiness and squeaky feeling due to the UV-A UV absorber, and are also excellent in water resistance. Yes.

本発明で用いる(A)(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマーは、ジフェニルジメチコンとビニルジフェニルジメチコンとシルセスキオキサンからなる架橋共重合体の球状粉体であり、ジフェニルジメチコンとビニルジフェニルジメチコンの架橋共重合体からなるシリコーンゴム表面を、シルセスキオキサン架橋重合体からなるシリコーンレジンで被覆した構造を有する複合粉体である。さらに具体的には、ビニル基含有オルガノポリシロキサンとオルガノハイドロジェンポリシロキサンとを含む油系の水中油型乳化物に触媒を加えて硬化反応させ、球状シリコーンゴム硬化物微粒子分散液とした後、その水分散液にアルカリ性物質またはアルカリ性水溶液とオルガノトリアルコキシシランを添加し、オルガノトリアルコキシシランを加水分解、縮合硬化反応させた後、乾燥させて得られる球状シリコーンゴム硬化物微粒子にポリオルガノシルセスキオキサン硬化物を被覆した複合粉体である。この複合粉体の製造法については、特開平7−196815号公報に従えばよい。前記球状シリコーンゴム硬化物微粒子分散液の球状シリコーンゴム硬化物微粒子の平均粒径は、使用感、使用性において0.1〜100μmが好ましい。この市販品としてKSP−300(信越化学工業社製)を挙げることができる。尚、平均粒径は、レーザー回折粒度分布測定による体積平均径に従う。   The (A) (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer used in the present invention is a spherical powder of a cross-linked copolymer comprising diphenyldimethicone, vinyldiphenyldimethicone and silsesquioxane, and diphenyldimethicone. It is a composite powder having a structure in which the surface of a silicone rubber made of a crosslinked copolymer of vinyl diphenyl dimethicone is coated with a silicone resin made of a silsesquioxane crosslinked polymer. More specifically, after adding a catalyst to an oil-in-water oil-in-water emulsion containing a vinyl group-containing organopolysiloxane and an organohydrogenpolysiloxane for a curing reaction to obtain a spherical silicone rubber cured product fine particle dispersion, An alkaline substance or an aqueous solution and an organotrialkoxysilane are added to the aqueous dispersion, and the organotrialkoxysilane is hydrolyzed and subjected to a condensation curing reaction, followed by drying. This is a composite powder coated with a cured oxane. About the manufacturing method of this composite powder, what is necessary is just to follow Unexamined-Japanese-Patent No. 7-196815. The average particle diameter of the spherical silicone rubber cured fine particles in the spherical silicone rubber cured fine particle dispersion is preferably 0.1 to 100 μm in terms of usability and usability. As this commercial item, KSP-300 (made by Shin-Etsu Chemical Co., Ltd.) can be mentioned. The average particle diameter follows the volume average diameter measured by laser diffraction particle size distribution measurement.

本発明において(A)(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマーは、架橋したシリコーン骨格を有する球状粉体であることから肌に滑り性を与え、べたつきのなさに影響していると考えられる。しかしながら同様に架橋したシリコーン骨格を有する球状粉体である(ジメチコン/ビニルメチコン)クロスポリマーでは本発明の効果を発揮できない。   In the present invention, (A) (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer is a spherical powder having a crosslinked silicone skeleton, so that it gives slipperiness to the skin and affects the non-stickiness. It is thought that there is. However, the effect of the present invention cannot be exhibited with a cross-polymer (dimethicone / vinylmethicone) which is a spherical powder having a similarly crosslinked silicone skeleton.

本発明における(A)(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマーの配合量は、日焼け止め化粧料の総量を基準として0.01〜10質量%(以下、単に%と略す)が好ましく、特に好ましくは0.1〜5%である。
(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマーの配合量がこれらの範囲内であれば、本発明の日焼け止め化粧料の使用感が特に優れたものとなる。
The blending amount of (A) (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer in the present invention is 0.01 to 10% by mass (hereinafter simply abbreviated as%) based on the total amount of sunscreen cosmetics. Is preferable, and 0.1 to 5% is particularly preferable.
When the blending amount of (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer is within these ranges, the feeling of use of the sunscreen cosmetic of the present invention is particularly excellent.

本発明に用いられる(B)高分子シリコーン化合物は、前記一般式(1)で表されるものであり、分子量は約4万〜25万程度であり、性状は25℃において0.005〜5m/s(5000〜500万cSt)の動粘度を示すものである。具体的には、ジメチルポリシロキサン、メチルフェニルポリシロキサン、ジメチコノール、末端水酸基メチルフェニルポリシロキサンなどが挙げられる。これら高分子シリコーンは市販されており、それらを例示すると、KF−96H(1万cs〜100万cs)(信越化学工業社製)、SH200C(10,000cs〜350万cs)(東レ・ダウコーニング社製)、TSF−451(6,000cs〜100万cs)(モメンティブ・パフォーマンス・マテリアルズ社製)等があげられる。これら中でも、重合度nが1500〜2300のジメチルポリシロキサン、ジメチコノールがべたつき感の無さでの面で特に優れる。尚、ジメチルポリシロキサンの重合度と動粘度の関係は、A.J.Barryの次式によって与えられる。 The polymer silicone compound (B) used in the present invention is represented by the general formula (1), has a molecular weight of about 40,000 to 250,000, and has a property of 0.005 to 5 m at 25 ° C. It shows a kinematic viscosity of 2 / s (5,000 to 5,000,000 cSt). Specific examples include dimethylpolysiloxane, methylphenylpolysiloxane, dimethiconol, and terminal hydroxyl group methylphenylpolysiloxane. These high molecular silicones are commercially available, and examples thereof include KF-96H (10,000 cs to 1 million cs) (manufactured by Shin-Etsu Chemical Co., Ltd.), SH200C (10,000 cs to 3.5 million cs) (Toray Dow Corning) Co., Ltd.), TSF-451 (6,000 cs to 1 million cs) (manufactured by Momentive Performance Materials), and the like. Among these, dimethylpolysiloxane having a polymerization degree n of 1500 to 2300 and dimethiconol are particularly excellent in terms of no stickiness. The relationship between the degree of polymerization of dimethylpolysiloxane and the kinematic viscosity is as follows. J. et al. It is given by the following equation of Barry.

logA=1.00+0.0123M0.5
[A:動粘度(cSt)、M:分子量(n×74)]
logA = 1.00 + 0.0123M 0.5
[A: Kinematic viscosity (cSt), M: Molecular weight (n × 74)]

本発明における(B)高分子シリコーン化合物の配合量は、日焼け止め化粧料の総量を基準として0.1〜5.0%が好ましく、特に好ましくは0.3〜3.0%である。高分子シリコーン化合物の配合量がこれらの範囲内であれば、本発明の日焼け止め化粧料の使用感や耐水性が特に優れたものとなる。   The blending amount of the polymer silicone compound (B) in the present invention is preferably 0.1 to 5.0%, particularly preferably 0.3 to 3.0%, based on the total amount of the sunscreen cosmetic. When the amount of the polymeric silicone compound is within these ranges, the feeling of use and water resistance of the sunscreen cosmetic of the present invention are particularly excellent.

本発明に用いられる(C)20℃で固形状又はペースト状を呈し、UV−A領域に最大吸収波長を有する紫外線吸収剤としては、具体的には4−tert−ブチル−4−メトキシジベンゾイルメタン、ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、ジメトキシベンジリデンジオキソイミダゾリジンプロピオン酸2−エチルヘキシル、メチレンビズベンゾトリアゾリルテトラメチルブチルフェノール、ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジンなどが挙げられ、これらは市販されている。これらの中でもジエチルアミノヒドロキシベンゾイル安息香酸ヘキシルがきしみ感のなさで最も優れる。尚、本発明でいう固体状又はペースト状とは、米国材料試験協会(ASTM)の標準試験法D43590−90による定義に従う。   (C) As an ultraviolet absorber having a solid or paste form at 20 ° C. and having a maximum absorption wavelength in the UV-A region, specifically used is 4-tert-butyl-4-methoxydibenzoyl. Examples include methane, diethylaminohydroxybenzoyl hexyl benzoate, dimethoxybenzylidenedioxoimidazolidine 2-ethylhexyl propionate, methylene benzobenzotriazolyl tetramethylbutylphenol, bisethylhexyloxyphenol methoxyphenyl triazine, and the like, which are commercially available. Among these, diethylaminohydroxybenzoyl hexyl benzoate is most excellent in the absence of squeaking. In the present invention, the solid state or the paste state conforms to the definition by the American Society for Testing and Materials (ASTM) standard test method D43590-90.

本発明における(C)20℃で固形状又はペースト状を呈し、UV−A領域に最大吸収波長を有する紫外線吸収剤の配合量は、日焼け止め化粧料の総量を基準として0.1〜5.0%が好ましく、特に好ましくは0.3〜3.0%である。UV−A紫外線吸収剤の配合量がこれらの範囲内であれば、より優れた紫外線防御効果が発揮され、使用感についても特に優れたものとなる。   In the present invention, (C) the amount of the ultraviolet absorber that is solid or pasty at 20 ° C. and has the maximum absorption wavelength in the UV-A region is 0.1 to 5. 0% is preferable, and 0.3 to 3.0% is particularly preferable. When the blending amount of the UV-A ultraviolet absorber is within these ranges, a more excellent ultraviolet protection effect is exhibited, and the feeling in use is particularly excellent.

本発明においては、さらに(D)ポリメチルシルセスキオキサンを含有させると使用感の持続性の面で特に優れる。ポリメチルシルセスキオキサンは、メチルトリメトキシシロキサンをアルカリ水溶液中で乳化重合させた固形物であり、具体的には、モメンティブ・パフォーマンス・マテリアルズ社製のトスパールシリーズ(トスパール145A等)が挙げられる。   In the present invention, when (D) polymethylsilsesquioxane is further added, it is particularly excellent in terms of durability of the feeling of use. Polymethylsilsesquioxane is a solid obtained by emulsion polymerization of methyltrimethoxysiloxane in an aqueous alkaline solution. Specifically, Tospearl series (Tospearl 145A, etc.) manufactured by Momentive Performance Materials It is done.

本発明におけるポリメチルシルセスキオキサンの配合量は、日焼け止め化粧料の総量を基準として0.1〜8.0%が好ましく、特に好ましくは0.2〜4.0%である。ポリメチルシルセスキオキサンの配合量がこれらの範囲内であれば、本発明の日焼け止め化粧
料の使用感の改善とその持続性が特に優れたものとなる。
The blending amount of polymethylsilsesquioxane in the present invention is preferably 0.1 to 8.0%, particularly preferably 0.2 to 4.0%, based on the total amount of the sunscreen cosmetic. When the blending amount of polymethylsilsesquioxane is within these ranges, the improvement in use feeling and the sustainability of the sunscreen cosmetic of the present invention are particularly excellent.

本発明の日焼け止め化粧料には、上記の必須成分に加えて必要に応じて上記以外の紫外線吸収剤、上記以外の油性成分、乳化剤(界面活性剤)、紫外線散乱剤、保湿剤、粉体、香料、防腐剤、植物エキス、フッ素化合物、樹脂、粘剤、塩類、溶媒、酸化防止剤、キレート剤、中和剤、pH調整剤、昆虫忌避剤、生理活性成分等を配合することができる。   The sunscreen cosmetic of the present invention includes, in addition to the above essential components, an ultraviolet absorber other than the above, an oily component other than the above, an emulsifier (surfactant), an ultraviolet scattering agent, a humectant, and a powder. , Perfumes, preservatives, plant extracts, fluorine compounds, resins, stickers, salts, solvents, antioxidants, chelating agents, neutralizing agents, pH adjusters, insect repellents, physiologically active ingredients, etc. .

本発明の日焼け止め化粧料とは、紫外線防御機能を付与した化粧料であり、例えばサンスクリーン剤、ファンデーション、化粧下地等が挙げられる。   The sunscreen cosmetic of the present invention is a cosmetic having an ultraviolet protection function, and examples thereof include sunscreen agents, foundations, and makeup bases.

次に、実施例によって本発明を更に詳細に説明するが、本発明はこれらに限定されるものではない。実施例に先立ち、各実施例で採用した評価方法について説明する。   EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited to these. Prior to the examples, the evaluation methods employed in each example will be described.

<官能特性評価試験>
官能特性評価試験は、評価試料を顔面に塗布した時の感触(べたつき感、きしみ感)について、10名の専門判定員が以下の評価基準に従って評価点をつけ、その平均点に従って、4.0以上を◎、3.0以上4.0未満を○、2.0以上3.0未満を△、2.0未満を×とした。また、塗布後5時間経過後、同様に感触(べたつき感、きしみ感)を評価した。
<Sensory property evaluation test>
In the sensory property evaluation test, ten professional judges gave evaluation points according to the following evaluation criteria for the feel (stickiness, squeaky feeling) when the evaluation sample was applied to the face, and 4.0 according to the average score. The above was evaluated as ◎, 3.0 or more and less than 4.0 as ◯, 2.0 or more and less than 3.0 as Δ, and less than 2.0 as x. Further, after 5 hours from the application, the feel (stickiness, squeaky feeling) was similarly evaluated.

(評価基準)
5:非常に好ましい。
4:好ましい。
3:どちらともいえない。
2:好ましくない。
1:非常に好ましくない。
(Evaluation criteria)
5: Very preferable.
4: Preferred.
3: Neither can be said.
2: Not preferred.
1: Very unfavorable.

<紫外線防御効果>
評価試料を2mg/cmの割合で、石英硝子上に張り付けた樹脂テープ上に塗布し、SPFアナライザー(Labsphere社、UV−1000S)を用いて紫外線防御能を測定した。下記比較例1の日焼け止め化粧料を比較対照とし、以下の基準に従って紫外線防御能を評価した。
<UV protection effect>
The evaluation sample was applied at a rate of 2 mg / cm 2 onto a resin tape affixed on quartz glass, and the UV protection ability was measured using an SPF analyzer (Labsphere, UV-1000S). The sunscreen cosmetic of Comparative Example 1 below was used as a comparative control, and the UV protection ability was evaluated according to the following criteria.

(評価基準)
○:比較例1よりUV−A領域の紫外線防御能が優れる。
△:比較例1とUV−A領域の紫外線防御能が同等。
×:比較例1よりUV−A領域の紫外線防御能が劣る。
(Evaluation criteria)
A: The UV protection ability in the UV-A region is superior to Comparative Example 1.
(Triangle | delta): The ultraviolet-ray protective ability of the comparative example 1 and UV-A area | region is equivalent.
X: The ultraviolet protective ability in the UV-A region is inferior to that of Comparative Example 1.

<耐水性試験>
10名の被験者に評価試料を顔面に塗布してもらい、温度30℃、湿度70%に調節された部屋で1時間安静に過ごしてもらった。専門判定員が被験者の肌状態を観察し、評価試料の汗による落ちを以下の基準に従って評価した。専門判定員が判定した10名分の評価において、最も多かった評価をその評価試料の最終評価とした。尚、評価が同数の場合は、よい評価のほうを優先させた。
<Water resistance test>
Ten subjects applied the evaluation sample to their faces and were allowed to spend 1 hour resting in a room adjusted to a temperature of 30 ° C. and a humidity of 70%. A specialist judge observed the skin condition of the subject, and evaluated the fall of the evaluation sample due to sweat according to the following criteria. In the evaluation for 10 persons judged by the expert judge, the evaluation that was most frequent was taken as the final evaluation of the evaluation sample. In addition, when the evaluation was the same number, priority was given to the good evaluation.

(評価基準)
○:落ちはほとんど観察されない。
△:若干の落ちが観察される。
×:落ちが観察される。
(Evaluation criteria)
○: Almost no drop is observed.
Δ: A slight drop is observed.
X: A fall is observed.

実施例1〜4、比較例1〜6(サンスクリーン)
表1に示した処方の日焼け止め化粧料(サンクスリーン)を常法により作製した。尚、用いた高分子シリコーン化合物は、実施例4を除き、全て前記一般式(1)においてR、Rがメチル基、nが2100のもの(動粘度約1m/s)を使用した。一方実施例4では、R、Rがメチル基、nが800のもの(動粘度約0.011m/s)のものを使用した。
Examples 1-4, comparative examples 1-6 (sunscreen)
Sunscreen cosmetics (Sunkusleen) having the formulations shown in Table 1 were prepared by a conventional method. Except for Example 4, the high molecular weight silicone compounds used were those in which R 1 and R 2 were methyl groups and n was 2100 (kinematic viscosity about 1 m 2 / s) in the general formula (1). . On the other hand, in Example 4, R 1 and R 2 were methyl groups, and n was 800 (kinematic viscosity about 0.011 m 2 / s).

作製した実施例、比較例の各サンスクリーンを評価試料として、前記各試験を実施した。その結果を表1に併せて示す。   The above tests were carried out using the sunscreens of the produced examples and comparative examples as evaluation samples. The results are also shown in Table 1.

(表1)

Figure 2010090074
(Table 1)
Figure 2010090074

結果に示されるように、本発明の実施例は、紫外線防御効果に優れ、べたつき感、きしみ感がなく、またそれが持続し、耐水性にも優れていた。一方、いずれかの必須成分を欠いた比較例は、紫外線防御効果、使用感、耐水性のいずれかの点で劣ることがわかる。   As shown in the results, the examples of the present invention were excellent in the UV protection effect, had no stickiness and squeak, lasted and were excellent in water resistance. On the other hand, it can be seen that the comparative example lacking any of the essential components is inferior in any of the UV protection effect, feeling of use, and water resistance.

実施例5(化粧下地)
原 料 名 配合量(質量%)
――――――――――――――――――――――――――――――――――――
1. (ジフェニルジメチコン/ビニルジフェニルジメチコン 5.0
/シルセスキオキサン)クロスポリマー(注1)
2. 高分子シリコーン(注7) 1.0
3. 高分子シリコーン(注8) 2.0
4. ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル 1.0
5. 4−tert−ブチル−4−メトキシジベンゾイルメタン 1.0
6. ポリメチルシルセスキオキサン 3.0
7. モノイソステアリン酸ソルビタン 1.0
8. ポリエーテル変性シリコーン(注9) 0.5
9. メチルフェニルポリシロキサン(注10) 3.0
10. ミリスチン酸イソセチル 1.0
11. スクワラン 1.0
12. パラメトキシケイ皮酸2−エチルヘキシル 5.0
13. シクロメチコン 30.0
14. シリコーン処理酸化亜鉛(*) 15.0
15. 1,3−ブチレングリコール 3.0
16. ヒアルロン酸ナトリウム 0.01
17. 加水分解コラーゲン 0.01
18. グリチルレチン酸ステアリル 0.1
19. フェノキシエタノール 0.3
20. エタノール 8.0
21. 香料 0.1
22. 精製水 残 部
――――――――――――――――――――――――――――――――――――
注7: KF−96H(100000cs、信越化学工業社製)
注8: X−21−5613(信越化学工業社製)
注9: KF−6015(信越化学工業社製)
注10: FZ−209(東レ・ダウコーニング社製)
*:酸化亜鉛に対し5%のメチルハイドロジェンポリシロキサンにて表面処理
Example 5 (makeup base)
Raw material name Compounding amount (% by mass)
――――――――――――――――――――――――――――――――――――
1. (Diphenyl Dimethicone / Vinyl Diphenyl Dimethicone 5.0
/ Silsesquioxane) cross polymer (Note 1)
2. High molecular silicone (Note 7) 1.0
3. High molecular silicone (Note 8) 2.0
4. Diethylaminohydroxybenzoyl hexyl benzoate 1.0
5. 4-tert-butyl-4-methoxydibenzoylmethane 1.0
6. Polymethylsilsesquioxane 3.0
7. Sorbitan monoisostearate 1.0
8. Polyether-modified silicone (Note 9) 0.5
9. Methylphenylpolysiloxane (Note 10) 3.0
10. Isocetyl myristate 1.0
11. Squalane 1.0
12. 2-Ethylhexyl paramethoxycinnamate 5.0
13. Cyclomethicone 30.0
14. Silicone-treated zinc oxide (*) 15.0
15. 1,3-butylene glycol 3.0
16. Sodium hyaluronate 0.01
17. Hydrolyzed collagen 0.01
18. Stearyl glycyrrhetinate 0.1
19. Phenoxyethanol 0.3
20. Ethanol 8.0
21. Fragrance 0.1
22. Purified water balance ――――――――――――――――――――――――――――――――――――
Note 7: KF-96H (100,000 cs, manufactured by Shin-Etsu Chemical Co., Ltd.)
Note 8: X-21-5613 (Shin-Etsu Chemical Co., Ltd.)
Note 9: KF-6015 (manufactured by Shin-Etsu Chemical Co., Ltd.)
Note 10: FZ-209 (Toray Dow Corning)
*: Surface treatment with 5% methylhydrogenpolysiloxane with respect to zinc oxide.

上記組成の日焼け止め化粧料(化粧下地)を作製して評価したところ、紫外線防御効果、使用感、耐水性の全ての点において優れていた。尚、上記の実施例5において使用した香料の組成を表2に示す。   When the sunscreen cosmetic (makeup base) having the above composition was prepared and evaluated, it was excellent in all points of ultraviolet ray protection effect, feeling of use, and water resistance. Table 2 shows the composition of the fragrance used in Example 5 above.

(表2)

Figure 2010090074
(Table 2)
Figure 2010090074

本発明により、高い紫外線防御効果を維持しつつ、べたつき感、きしみ感が軽減された優れた使用感が持続する、耐水性にも優れた日焼け止め化粧料を提供することが可能となる。   According to the present invention, it is possible to provide a sunscreen cosmetic excellent in water resistance that maintains a high UV protection effect and maintains an excellent feeling of use with reduced stickiness and squeakiness.

Claims (2)

(A)(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマー、(B)下記一般式(1)で表される高分子シリコーン化合物及び(C)20℃で固形状又はペースト状を呈し、UV−A領域に最大吸収波長を有する紫外線吸収剤を含有する日焼け止め化粧料。
Figure 2010090074
(式中、Rはメチル基又はフェニル基を表し(但し、全てがフェニル基ではない。)、Rはメチル基又は水酸基を表し、nは600〜2500の整数を表す。)
(A) (diphenyl dimethicone / vinyl diphenyl dimethicone / silsesquioxane) cross polymer, (B) high molecular silicone compound represented by the following general formula (1) and (C) solid or paste form at 20 ° C A sunscreen cosmetic containing an ultraviolet absorber having a maximum absorption wavelength in the UV-A region.
Figure 2010090074
(In the formula, R 1 represents a methyl group or a phenyl group (but not all are phenyl groups), R 2 represents a methyl group or a hydroxyl group, and n represents an integer of 600 to 2500.)
さらに(D)ポリメチルシルセスキオキサンを含有する請求項1記載の日焼け止め化粧料。 The sunscreen cosmetic according to claim 1, further comprising (D) polymethylsilsesquioxane.
JP2008263283A 2008-10-09 2008-10-09 Sun-screening cosmetic Pending JP2010090074A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075868A (en) * 2011-09-30 2013-04-25 Isehan:Kk Powder cosmetic
WO2014069173A1 (en) 2012-10-30 2014-05-08 株式会社資生堂 Sunscreen cosmetic
JP2017014300A (en) * 2016-10-27 2017-01-19 株式会社伊勢半 Powder cosmetic

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JP2007182388A (en) * 2005-12-30 2007-07-19 Shiseido Co Ltd Sunscreen cosmetic
JP2007246521A (en) * 2006-02-20 2007-09-27 Shiseido Co Ltd Water-in-oil type emulsion sunscreen cosmetic
WO2007133769A2 (en) * 2006-05-15 2007-11-22 The Procter & Gamble Company Water in oil emulsion compositions containing sunscreen actives and siloxane elastomers
WO2007138750A1 (en) * 2006-06-01 2007-12-06 Shiseido Company, Ltd. Sunscreen preparations
JP2007320917A (en) * 2006-06-01 2007-12-13 Shiseido Co Ltd Sunscreen cosmetic
JP2008214267A (en) * 2007-03-05 2008-09-18 Shiseido Co Ltd Manufacturing method of powdery cosmetic

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Publication number Priority date Publication date Assignee Title
JP2007182388A (en) * 2005-12-30 2007-07-19 Shiseido Co Ltd Sunscreen cosmetic
JP2007246521A (en) * 2006-02-20 2007-09-27 Shiseido Co Ltd Water-in-oil type emulsion sunscreen cosmetic
WO2007133769A2 (en) * 2006-05-15 2007-11-22 The Procter & Gamble Company Water in oil emulsion compositions containing sunscreen actives and siloxane elastomers
WO2007138750A1 (en) * 2006-06-01 2007-12-06 Shiseido Company, Ltd. Sunscreen preparations
JP2007320917A (en) * 2006-06-01 2007-12-13 Shiseido Co Ltd Sunscreen cosmetic
JP2008214267A (en) * 2007-03-05 2008-09-18 Shiseido Co Ltd Manufacturing method of powdery cosmetic

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075868A (en) * 2011-09-30 2013-04-25 Isehan:Kk Powder cosmetic
WO2014069173A1 (en) 2012-10-30 2014-05-08 株式会社資生堂 Sunscreen cosmetic
JP2017014300A (en) * 2016-10-27 2017-01-19 株式会社伊勢半 Powder cosmetic

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