JP5528009B2 - O / W sunscreen cosmetics - Google Patents
O / W sunscreen cosmetics Download PDFInfo
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- JP5528009B2 JP5528009B2 JP2009119446A JP2009119446A JP5528009B2 JP 5528009 B2 JP5528009 B2 JP 5528009B2 JP 2009119446 A JP2009119446 A JP 2009119446A JP 2009119446 A JP2009119446 A JP 2009119446A JP 5528009 B2 JP5528009 B2 JP 5528009B2
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- 239000002537 cosmetic Substances 0.000 title claims description 34
- 230000000475 sunscreen effect Effects 0.000 title claims description 34
- 239000000516 sunscreening agent Substances 0.000 title claims description 33
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- 229920001577 copolymer Polymers 0.000 claims description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 8
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- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 6
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Landscapes
- Cosmetics (AREA)
Description
本発明は、日焼け止め化粧料に関し、更に詳しくは、使用感が良好で安定性に優れたO/W型日焼け止め化粧料に関する。 The present invention relates to a sunscreen cosmetic, and more particularly to an O / W sunscreen cosmetic that has a good feeling of use and excellent stability.
従来、日焼け止め化粧料としては、酸化亜鉛、酸化チタンなどの顔料、並びに油分を主成分とするW/O型日焼け止め化粧料が用いられてきた。W/O型日焼け止め化粧料は顔料分散性に優れ、高い日焼け止め効果を有する反面、顔料の白浮き、ヨレ、油分によるべたつき感を生じ、高使用感を得るのが困難であるという欠点を有していた。そこで高使用感を得ることを目的として、O/W系での処方が検討されてきたが、O/Wの系では顔料が経時で凝集・沈殿してしまったり、極端に増粘あるいは減粘してしまったりと保存安定性が悪いという欠点を有していた。このためアクリル酸系の高分子と酸化亜鉛を組み合わせる研究が行われている(例えば、特許文献1参照)。また、アクリル酸系高分子はべたつきを有し、使用性が悪いためシリコーンオイルと組み合わせたり、他の高分子増粘剤と組み合わせる研究も行われている(例えば、特許文献2、3参照)。しかしながら、保存安定性が良く、かつ高使用感のO/W型日焼け止め化粧料の開発がさらに望まれていた。 Conventionally, as sunscreen cosmetics, pigments such as zinc oxide and titanium oxide, and W / O type sunscreen cosmetics mainly composed of oil have been used. W / O-type sunscreen cosmetics have excellent pigment dispersibility and a high sunscreen effect, but have the disadvantage that whiteness of the pigment, twisting, and stickiness due to oil are produced, making it difficult to obtain a high feeling of use. Had. Therefore, for the purpose of obtaining a high feeling of use, an O / W-based formulation has been studied. However, in the O / W-based system, the pigment aggregates and precipitates over time, or the viscosity increases or decreases extremely. However, the storage stability was poor. For this reason, research on combining acrylic acid polymers and zinc oxide has been carried out (for example, see Patent Document 1). In addition, since acrylic acid-based polymers are sticky and have poor usability, researches are being conducted in combination with silicone oils or in combination with other polymer thickeners (for example, see Patent Documents 2 and 3). However, development of O / W type sunscreen cosmetics with good storage stability and high usability has been further desired.
上記事情において、さらに優れた日焼け止め化粧料が求められていた。即ち、本発明の目的は、保存安定性に優れ、使用感にも優れたO/W型日焼け止め化粧料を提供することにある。 In the above circumstances, there has been a demand for an even better sunscreen cosmetic. That is, an object of the present invention is to provide an O / W type sunscreen cosmetic that is excellent in storage stability and excellent in feeling of use.
上記事情に鑑み、本発明者は鋭意研究を重ねた結果、酸化亜鉛及び/又は酸化チタン、並びにシリコーンオイルを含有する油性成分を、(アクリル酸ナトリウム/アクリロイルジメチルタウリン)コポリマーを含有するジェル組成物で乳化し、更にグリチルリチン酸塩を含有させることで、安定性の高い、高使用感のO/W型日焼け止め化粧料が得られることを見出し、本発明を完成するに至った。 In view of the above circumstances, as a result of intensive studies, the present inventor has obtained an oily component containing zinc oxide and / or titanium oxide and silicone oil, and a gel composition containing a (sodium acrylate / acryloyldimethyltaurine) copolymer. It was found that an O / W-type sunscreen cosmetic with high stability and high usability can be obtained by emulsifying the composition and further containing glycyrrhizinate, thereby completing the present invention.
即ち、第1の本発明は、(A)(アクリル酸ナトリウム/アクリロイルジメチルタウリン)コポリマー、(B)酸化亜鉛及び/又は酸化チタン、(C)シリコーンオイル、及び(D)グリチルリチン酸、グリチルレチン酸又はそれらの塩を含有するO/W型日焼け止め化粧料にある。また、第2の本発明は、更に(E)キサンタンガム含有する前記のO/W型日焼け止め化粧料にある。 That is, the first present invention comprises (A) (sodium acrylate / acryloyldimethyltaurine) copolymer, (B) zinc oxide and / or titanium oxide, (C) silicone oil, and (D) glycyrrhizic acid, glycyrrhetic acid or O / W sunscreen cosmetics containing these salts. Moreover, 2nd this invention exists in the said O / W type sunscreen cosmetics which contain (E) xanthan gum further.
本発明により、O/W型日焼け止め化粧料において、優れた保存安定性を達成し、のび、肌なじみがよく、べたつき感を感じさせない良好な使用感を付与することが可能となる。 According to the present invention, in an O / W type sunscreen cosmetic, it is possible to achieve excellent storage stability, good stretch and skin familiarity, and a good feeling of use without feeling sticky.
以下、本発明の構成について説明する。本発明で用いられる(A)成分である(アクリル酸ナトリウム/アクリロイルジメチルタウリン)コポリマーは、International Cosmetic Ingredient Dictionaryに「SODIUM ACRYLATE/ACRYLOYLDIMETHYL TAURATE COPOLYMER」と記載される、アクリル酸ナトリウムとアクリロイルジメチルタウリンナトリウムとの共重合体である。該ポリマーを含む市販品としては、(アクリル酸ナトリウム/アクリロイルジメチルタウリン)コポリマーを37.5質量%含み、他の成分としてイソヘキサデカン、ポリソルベート80及び水を含有するSIMULGEL EG(SEPPIC社製)があり、これを好適に使用することができる。 The configuration of the present invention will be described below. The (A) component (sodium acrylate / acryloyldimethyltaurine) copolymer used in the present invention is an international cosmetic inorganic dictionary described as “SODIUM ACRYLATE / ACRYLOYLDIMETHYL TAURATE COPOLYMER”. It is a copolymer. As a commercial product containing the polymer, there is SIMULGEL EG (manufactured by SEPPIC) containing 37.5% by mass of (sodium acrylate / acryloyldimethyltaurine) copolymer and isohexadecane, polysorbate 80 and water as other components. This can be preferably used.
本発明における(A)成分の含有量は、O/W型日焼け止め化粧料の総量を基準として、0.03〜3.0質量%(以下、単に%と略す。)の範囲が好ましく、更に好ましくは0.1〜2.0%である。これらの範囲内であればより保存安定性に優れるとともに、使用感においてもより優れたものを得ることが可能である。 The content of the component (A) in the present invention is preferably in the range of 0.03 to 3.0% by mass (hereinafter simply abbreviated as “%”), based on the total amount of the O / W type sunscreen cosmetic. Preferably it is 0.1 to 2.0%. Within these ranges, it is possible to obtain more excellent storage stability and better usability.
本発明において(B)成分として用いられる酸化亜鉛と酸化チタンについて説明する。酸化亜鉛は、通常化粧料原料として使用されているものであれば特に制限されず、平均粒子径、及び球状、棒状、紡錘状、針状、不定形状等の形状にも制限されるものではない。更にそれらに表面処理を施したものでも良い。表面処理の方法としては、メチルハイドロジェンポリシロキサン、メチルポリシロキサン等によるシリコーン処理、トリエトキシシラン等によるシラン処理、パーフルオロアルキルリン酸エステル、パーフルオロアルコール等によるフッ素処理、N−アシルグルタミン酸等によるアミノ酸処理、レシチン処理、金属石鹸処理、脂肪酸処理、アルキルリン酸エステル処理等が挙げられ、これらを1種単独又は2種以上を組み合わせることができる。 The zinc oxide and titanium oxide used as the component (B) in the present invention will be described. Zinc oxide is not particularly limited as long as it is usually used as a raw material for cosmetics, and is not limited to an average particle diameter and shapes such as a spherical shape, a rod shape, a spindle shape, a needle shape, and an indefinite shape. . Furthermore, what surface-treated them may be used. Surface treatment methods include silicone treatment with methylhydrogenpolysiloxane, methylpolysiloxane, etc., silane treatment with triethoxysilane, etc., fluorine treatment with perfluoroalkyl phosphate ester, perfluoroalcohol, etc., N-acyl glutamic acid, etc. An amino acid process, a lecithin process, a metal soap process, a fatty acid process, an alkyl phosphate ester process etc. are mentioned, These can be used individually by 1 type or in combination of 2 or more types.
酸化チタンは、通常化粧料原料として使用されているものであれば特に制限されず、平均粒子径、球状、棒状、紡錘状、針状、不定形状等の形状、アナターゼ型、ルチル型、ブルッカイト型等の結晶型にも制限されるものではない。更にそれらに表面処理を施したものでも良い。表面処理の方法としては、メチルハイドロジェンポリシロキサン、メチルポリシロキサン等によるシリコーン処理、トリエトキシシラン等によるシラン処理、パーフルオロアルキルリン酸エステル、パーフルオロアルコール等によるフッ素処理、N−アシルグルタミン酸等によるアミノ酸処理、レシチン処理、ステアリン酸アルミニウム、ステアリン酸亜鉛等による金属石鹸処理、脂肪酸処理、アルキルリン酸エステル処理等が挙げられ、これらを1種単独又は2種以上を組み合わせることができる。 Titanium oxide is not particularly limited as long as it is usually used as a cosmetic raw material, and has an average particle size, spherical shape, rod shape, spindle shape, needle shape, irregular shape, anatase type, rutile type, brookite type, etc. The crystal type is not limited. Furthermore, what surface-treated them may be used. Surface treatment methods include silicone treatment with methylhydrogenpolysiloxane, methylpolysiloxane, etc., silane treatment with triethoxysilane, etc., fluorine treatment with perfluoroalkyl phosphate ester, perfluoroalcohol, etc., N-acyl glutamic acid, etc. Examples include amino acid treatment, lecithin treatment, metal soap treatment with aluminum stearate, zinc stearate, fatty acid treatment, alkyl phosphate ester treatment, and the like, and these can be used alone or in combination of two or more.
本発明における(B)成分の含有量は、O/W型日焼け止め化粧料の総量を基準として、0.1〜30%の範囲が好ましく、更に好ましくは1〜15%である。これらの範囲内であればより紫外線防御効果に優れるとともに、保存安定性においてもより好ましい結果が得られる。 The content of the component (B) in the present invention is preferably in the range of 0.1 to 30%, more preferably 1 to 15%, based on the total amount of the O / W type sunscreen cosmetic. Within these ranges, the UV protection effect is more excellent, and more preferable results are obtained in terms of storage stability.
本発明で用いられる(C)成分であるシリコーンオイルは、通常化粧料原料として使用されているものであれば特に制限されず、例えば、25℃で液状の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、メチルハイドロジェンポリシロキサン、デカメチルシクロペンタシロキサン、オクタメチルシクロテトラシロキサン、ドデカメチルシクロヘキサシロキサン、テトラメチルテトラハイドロジェンシクロテトラシロキサン等の鎖状又は環状のシリコーンオイルが挙げられる。これらのうちデカメチルシクロペンタシロキサンは、使用感に優れるため、特に好ましく用いられる。尚、本発明で液状とは25℃でB型粘度計で測定したときの粘度が1×10-2 m2/s(10000cSt)以下のものを指す。 The silicone oil which is the component (C) used in the present invention is not particularly limited as long as it is usually used as a cosmetic raw material. For example, dimethylpolysiloxane, methylphenylpolysiloxane, methyl which is liquid at 25 ° C. Examples thereof include linear or cyclic silicone oils such as hydrogen polysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, dodecamethylcyclohexasiloxane, and tetramethyltetrahydrogencyclotetrasiloxane. Of these, decamethylcyclopentasiloxane is particularly preferably used because of its excellent usability. In the present invention, the liquid state refers to those having a viscosity of 1 × 10 −2 m 2 / s (10000 cSt) or less as measured with a B-type viscometer at 25 ° C.
本発明における(C)成分の含有量は、O/W型日焼け止め化粧料の総量を基準として、0.1〜20%の範囲が好ましく、更に好ましくは1〜10%である。これらの範囲内であればよりべたつき感が抑えられた、さらっとした感触が得られ、さらに保存安定性においてもより好ましい結果が得られる。 The content of the component (C) in the present invention is preferably in the range of 0.1 to 20%, more preferably 1 to 10%, based on the total amount of the O / W sunscreen cosmetic. Within these ranges, a dry feel with a reduced stickiness can be obtained, and more favorable results can be obtained in terms of storage stability.
また、(C)成分のシリコーンオイルを含めた油相全体の配合量を1とした時の水相全体の配合量を2以上とすると、O/W型製剤の特徴であるべたつき感の無いさらっとした高使用感が得られるため好ましい。 Further, when the blending amount of the entire aqueous phase including the component (C) including the silicone oil is set to 1 or more, if the blending amount of the entire aqueous phase is 2 or more, there is no stickiness that is characteristic of the O / W type preparation. It is preferable because a high usability can be obtained.
本発明で用いられる(D)成分は、グリチルリチン酸、グリチルレチン酸又はそれらの塩である。塩としてはジカリウム塩、アンモニウム塩等が挙げられる。本発明ではグリチルリチン酸ジカリウム塩、グリチルリチン酸アンモニウム塩が好ましく用いられる。本発明における(D)成分の含有量は、O/W型日焼け止め化粧料の総量を基準として、0.01〜1.0%の範囲が好ましく、更に好ましくは0.05〜0.3%である。これらの範囲内であれば、保存安定性と感触の面でより優れたものが得られる。 The component (D) used in the present invention is glycyrrhizic acid, glycyrrhetinic acid or a salt thereof. Examples of the salt include dipotassium salt and ammonium salt. In the present invention, dipotassium glycyrrhizinate and ammonium glycyrrhizinate are preferably used. The content of the component (D) in the present invention is preferably in the range of 0.01 to 1.0%, more preferably 0.05 to 0.3%, based on the total amount of the O / W type sunscreen cosmetic. It is. If it is in these ranges, more excellent in terms of storage stability and feel can be obtained.
本発明のO/W型日焼け止め化粧料では、更に(E)成分としてキサンタンガムを配合することにより、使用感及び安定性が向上する。その含有量は、O/W型日焼け止め化粧料の総量を基準として、0.01〜5%が好ましく、更に好ましくは0.05〜1%である。 In the O / W type sunscreen cosmetic of the present invention, the feeling of use and stability are improved by further blending xanthan gum as the component (E). The content is preferably 0.01 to 5%, more preferably 0.05 to 1%, based on the total amount of the O / W type sunscreen cosmetic.
本発明のO/W型日焼止め化粧料には、上記必須成分に加え、有機系紫外線吸収剤を配合することにより、より高い紫外線防御効果を得ることができる。本発明で用いられる有機系紫外線吸収剤としては、例えば、パラメトキシケイ皮酸ベンジル、パラメトキシケイ皮酸2−エチルヘキシル、パラメトキシケイ皮酸2−エトキシエチル、ジパラメトキシケイ皮酸モノ−2−エチルヘキサン酸グリセリル、パラメトキシケイ皮酸イソプロピル・ジイソプロピルケイ皮酸エステル混合物等のケイ皮酸系紫外線吸収剤、ヒドロキメトキシベンゾフェノン、ヒドロキメトキシベンゾフェノンスルホン酸、ヒドロキメトキシベンゾフェノンスルホン酸ナトリウム、ジヒドロキメトキシベンゾフェノン、ジヒドロキメトキシベンゾフェノンジスルホン酸ナトリウム、ジヒドロキシベンゾフェノン、テトラヒドロキシベンジフェノン等のベンゾフェノン系紫外線吸収剤、パラアミノ安息香酸、パラアミノ安息香酸エチル、パラアミノ安息香酸グリセリル、パラジメチルアミノ安息香酸アミル、パラジメチルアミノ安息香酸オクチル、4−[N,N−ジ(2−ヒドロキシプロピル)アミノ]安息香酸エチル等の安息香酸エステル系紫外線吸収剤、サリチル酸エチレングリコール、サリチル酸フェニル、サリチル酸オクチル、サリチル酸ベンジル、サリチル酸p−tert−ブチルフェニル、サリチル酸ホモメンチル等のサリチル酸系紫外線吸収剤、2,4,6−トリアニリノ−p−(カルボ−2'−エチルヘキシル−1'−オキシ)−1,3,5−トリアジン等のトリアジン系紫外線吸収剤、4−tert−ブチル−4'−メトキシジベンゾイルメタン、オキシベンゾン、アントラニル酸メンチル、2−(2−ヒドロキシ−5−メチルフェニル)ベンゾトリアゾール、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、2−フェニルベンズイミダゾール−5−スルホン酸等が挙げられ、これらを1種単独又は2種以上を組み合わせて配合することができる。これら有機系紫外線吸収剤の好ましい含有量は、O/W型日焼け止め化粧料の総量を基準として、0.1〜10%である。 In addition to the above essential components, the O / W type sunscreen cosmetic of the present invention can have a higher UV protection effect by blending with an organic UV absorber. Examples of the organic ultraviolet absorber used in the present invention include benzyl paramethoxycinnamate, 2-ethylhexyl paramethoxycinnamate, 2-ethoxyethyl paramethoxycinnamate, and mono-2 diparamethoxycinnamate. -Cinnamic acid UV absorbers such as glyceryl ethylhexanoate, isopropyl paramethoxycinnamate / diisopropyl cinnamate ester, hydroxymethoxybenzophenone, hydroxymethoxybenzophenonesulfonic acid, sodium hydroxymethoxybenzophenonesulfonate, dihydroxymethoxybenzophenone Benzophenone UV absorbers such as sodium dihydroxymethoxybenzophenone disulfonate, dihydroxybenzophenone, tetrahydroxybenzenediphenone, paraaminobenzoic acid, paraaminobenzoic acid Benzoate-based UV absorbers such as ethyl, glyceryl paraaminobenzoate, amyl paradimethylaminobenzoate, octyl paradimethylaminobenzoate, ethyl 4- [N, N-di (2-hydroxypropyl) amino] benzoate, Salicylic acid ultraviolet absorbers such as ethylene glycol salicylate, phenyl salicylate, octyl salicylate, benzyl salicylate, p-tert-butylphenyl salicylate, homomenthyl salicylate, 2,4,6-trianilino-p- (carbo-2'-ethylhexyl-1) Triazine-based ultraviolet absorbers such as' -oxy) -1,3,5-triazine, 4-tert-butyl-4'-methoxydibenzoylmethane, oxybenzone, menthyl anthranilate, 2- (2-hydroxy-5-methyl) Phenyl) benzotri Tetrazole, dimethoxybenzylidene ethylidenedioxy oxoimidazolidine propionic acid 2-ethylhexyl, include 2-phenylbenzimidazole-5-sulfonic acid and the like, can be blended in combination singly or two or more. The preferable content of these organic ultraviolet absorbers is 0.1 to 10% based on the total amount of the O / W type sunscreen cosmetic.
本発明のO/W型日焼け止め化粧料には上記成分の他に、目的に応じて本発明の効果を損なわない量的質的範囲内で、セタノール、ベヘニルアルコール、ステアリルアルコール、イソステアリルアルコール、ラウリルアルコール、ヘキサデシルアルコール、オクチルドデカノール等の高級アルコール類、ステアリン酸、ミリスチン酸、イソステアリン酸、オレイン酸、ウンデシレン酸等の脂肪酸類、ミリスチン酸オクチルドデシル、パルミチン酸セチル、ミリスチン酸ミリスチル、ラウリン酸ヘキシル、オレイン酸デシル、ミリスチン酸イソプロピル、ジメチルオクタン酸へキシルデシル、モノステアリン酸グリセリン、トリオクタン酸グリセリン、フタル酸ジエチル、モノステアリン酸エチレングリコール、オキシステアリン酸オクチル等のエステル類、コレステロール、フィトステロール等のステロール類、分岐脂肪酸コレステロールエステル、マカデミアナッツ油脂肪酸フィトステロールエステル、ステアリン酸コレステリル、オレイン酸コレステロールエステル等のステロール脂肪酸エステル類、流動パラフィン、ワセリン、スクワラン等の炭化水素類、ミツロウ、モクロウ、カルナバロウ等のロウ類、米糠油、オリーブ油、大豆油、米胚芽油、ホホバ油、ヒマシ油、紅花油、ヒマワリ油、オリーブ油、マカデミアナッツ油等の油脂類、ジプロピレングリコール、1,3−ブチレングリコール、グリセリン、プロピレングリコール、ソルビトール、マルチトール、ジグリセリン等の保湿剤、セチル硫酸ナトリウム、N−ステアロイル−L−グルタミン酸塩等の陰イオン界面活性剤、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脂肪酸エステル、ポリオキシエチレン多価アルコール脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油、多価アルコール脂肪酸エステル、ポリグリセリン脂肪酸エステル、蔗糖脂肪酸エステル等の非イオン界面活性剤、テトラアルキルアンモニウム塩等の陽イオン界面活性剤、ベタイン型、スルホベタイン型、スルホアミノ酸型等の両性界面活性剤、レシチン、水素添加レシチン、リゾフォスファチジルコリン、セラミド、セレブロシド等の天然系界面活性剤、ポリエーテル変性シリコーン、アミノ変性シリコーン等のシリコーン系界面活性剤、カミツレ、センブリ、アロエ、モモ、カロット、スギナ、クワ、桃の葉、セージ、ビワ葉、キュウカンバー、セイヨウキズタ、ハイビスカス、ウコン、ローズマリー、オウゴン、チョウジ、フェンネル、プルーン、甘草等の植物エキス、ビタミンA類、B類、C類、E類等のビタミン類、酸化防止剤、防腐剤、消炎剤、香料等の通常化粧料に配合される他の成分を適宜配合することが可能である。 In addition to the above components, the O / W type sunscreen cosmetics of the present invention include cetanol, behenyl alcohol, stearyl alcohol, isostearyl alcohol, lauryl within the quantitative range that does not impair the effects of the present invention depending on the purpose. Higher alcohols such as alcohol, hexadecyl alcohol, octyldodecanol, fatty acids such as stearic acid, myristic acid, isostearic acid, oleic acid, undecylenic acid, octyldodecyl myristate, cetyl palmitate, myristyl myristate, hexyl laurate Decyl oleate, isopropyl myristate, hexyl decyl dimethyloctanoate, glyceryl monostearate, glyceryl trioctanoate, diethyl phthalate, ethylene glycol monostearate, octyl oxystearate, etc. Esters, sterols such as cholesterol and phytosterols, branched fatty acid cholesterol esters, macadamia nut oil fatty acid phytosterol esters, sterol fatty acid esters such as cholesteryl stearate and oleic acid cholesterol esters, hydrocarbons such as liquid paraffin, petroleum jelly and squalane, beeswax Waxes such as owl, carnauba wax, rice bran oil, olive oil, soybean oil, rice germ oil, jojoba oil, castor oil, safflower oil, sunflower oil, olive oil, macadamia nut oil and other fats and oils, dipropylene glycol, 1,3- Moisturizers such as butylene glycol, glycerin, propylene glycol, sorbitol, maltitol, diglycerin, anionic interfaces such as sodium cetyl sulfate, N-stearoyl-L-glutamate Nonionic interfaces such as oxidant, polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene polyhydric alcohol fatty acid ester, polyoxyethylene hydrogenated castor oil, polyhydric alcohol fatty acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester Activators, cationic surfactants such as tetraalkylammonium salts, amphoteric surfactants such as betaine type, sulfobetaine type, sulfoamino acid type, etc., natural such as lecithin, hydrogenated lecithin, lysophosphatidylcholine, ceramide, cerebroside Surfactants, silicone-modified surfactants such as polyether-modified silicone, amino-modified silicone, chamomile, assembly, aloe, peach, carrot, horsetail, mulberry, peach leaf, sage, loquat leaf, cucumber, kizuta, Hibiscus, Turmeric, Rosemary, Ogon, Clove, Fennel, Prune, Licorice and other plant extracts, vitamins such as vitamins A, B, C, E, antioxidants, antiseptics, anti-inflammatory agents, fragrances, etc. It is possible to mix | blend suitably the other component normally mix | blended with cosmetics.
次に、実施例により本発明を具体的に説明するが、本発明は以下の実施例にのみ限定されるものではないことは言うまでもない。配合量は、全て質量%(以下、単に%と記す。)である。実施例に記載の試験方法は下記の通りである。 Next, although an Example demonstrates this invention concretely, it cannot be overemphasized that this invention is not limited only to a following example. The blending amounts are all mass% (hereinafter simply referred to as%). The test methods described in the examples are as follows.
<安定性試験>
試料を0℃、30℃、45℃の恒温槽に保管し、下記基準により安定性を評価した。各温度での評価のうち最も悪い評価を総合評価とした。尚、分離の有無は目視により判定し、粘度変化についてはB型粘度計による測定で当初の粘度を基準として±20%以上の増減があった時点で変化ありと規定した。
(評価)
◎:分離又は粘度変化することなく安定であるのが、6ヶ月以上であった。
○:分離又は粘度変化することなく安定であるのが、1ヶ月以上、6ヶ月未満であった。
△:分離又は粘度変化することなく安定であるのが、2週間以上、1ヶ月未満であった。
×:分離又は粘度変化することなく安定であるのが、2週間未満であった。
<Stability test>
Samples were stored in a constant temperature bath at 0 ° C., 30 ° C., and 45 ° C., and stability was evaluated according to the following criteria. The worst evaluation among the evaluations at each temperature was taken as the overall evaluation. In addition, the presence or absence of separation was determined visually, and the change in viscosity was defined as a change when there was an increase / decrease of ± 20% or more based on the initial viscosity as measured with a B-type viscometer.
(Evaluation)
A: Stable without separation or viscosity change was 6 months or more.
○: Stable without separation or viscosity change was 1 month or more and less than 6 months.
Δ: Stable without separation or viscosity change was 2 weeks or more and less than 1 month.
X: Stable without separation or viscosity change was less than 2 weeks.
<使用性評価試験>
試料について、女性パネラー20名により官能試験を行い、「のび」、「肌なじみ」、「べたつき感の無さ」の各項目について下記基準により評価点をつけ、その平均点にて判定した。
(評価点)
5点:非常に良好、4点:良好、3点:普通、2点:やや不良、1点:不良。
(判定)
◎:平均点4.5点以上、○:平均点3.5点以上4.5点未満、△:平均点2.5点以上3.5点未満、×:平均点2.5点未満。
<Usability evaluation test>
The samples were subjected to a sensory test by 20 female panelists, and each item of “Nobi”, “Skin familiarity”, and “No stickiness” was rated according to the following criteria, and the average score was determined.
(Evaluation points)
5 points: very good, 4 points: good, 3 points: normal, 2 points: slightly bad, 1 point: bad.
(Judgment)
A: Average point 4.5 points or more, ○: Average point 3.5 points or more and less than 4.5 points, Δ: Average point 2.5 points or more and less than 3.5 points, ×: Average point less than 2.5 points.
実施例1〜3、比較例1〜4
表1に示す成分及び下記の製造方法により、O/W型日焼け止め化粧料を調製し、上記安定性試験及び使用性評価試験を行った。その結果を表1に併せて示す。
Examples 1-3, Comparative Examples 1-4
O / W type sunscreen cosmetics were prepared by the components shown in Table 1 and the following production method, and the stability test and the usability evaluation test were conducted. The results are also shown in Table 1.
<製造方法>
(1)成分4〜8を室温で高速ミキサー(T.K.ロボディスパー2.5型、プライミクス社製)にて回転数2000rpmで均一に混合する。(2)成分12(精製水)を50℃に加温し、成分9〜11を混合溶解させる。(1)を(2)に添加し、さらに成分1〜3を添加した後、前記高速ミキサーにて回転数6000rpmで均一に混合する。その後室温まで冷却する。
<Manufacturing method>
(1) Ingredients 4 to 8 are uniformly mixed at room temperature with a high-speed mixer (TK Lobody Spar 2.5 type, manufactured by Primix) at a rotational speed of 2000 rpm. (2) Component 12 (purified water) is heated to 50 ° C., and components 9 to 11 are mixed and dissolved. (1) is added to (2), and components 1 to 3 are further added, and then uniformly mixed at a rotational speed of 6000 rpm with the high-speed mixer. Then cool to room temperature.
表1から明らかなように、本発明に係る実施例のO/W型日焼け止め化粧料は、比較例のO/W型日焼け止め化粧料と比較して、安定性及び使用感において優れたものであった。 As is apparent from Table 1, the O / W type sunscreen cosmetics of the examples according to the present invention are superior in stability and usability compared with the O / W type sunscreen cosmetics of the comparative examples. Met.
実施例4
下記に示す配合成分からなるO/W型日焼け止め乳液を常法に従って調製した。該O/W型日焼け止め乳液は、安定性及び使用感に優れたものであった。
成分名 配合量(%)
パラメトキシケイ皮酸2−エチルヘキシル 7.5
4−tert−ブチル−4’−メトキシジベンゾイルメタン 1.0
ミリスチン酸イソセチル 3.0
シリコーン処理酸化亜鉛 5.0
シラン処理酸化チタン 3.0
スクワラン 5.0
デカメチルシクロペンタシロキサン 3.0
ジメチルポリシロキサン(100cs) 2.0
SIMULGEL EG(注1) 3.5
グリチルリチン酸アンモニウム 0.3
エタノール 15.0
エデト酸二ナトリウム 0.01
キサンタンガム 0.1
ニコチン酸アミド 0.01
香料 0.2
精製水 残 量
Example 4
An O / W type sunscreen emulsion comprising the following ingredients was prepared according to a conventional method. The O / W type sunscreen emulsion was excellent in stability and usability.
Ingredient name Compounding amount (%)
2-Ethylhexyl paramethoxycinnamate 7.5
4-tert-butyl-4′-methoxydibenzoylmethane 1.0
Isocetyl myristate 3.0
Silicone-treated zinc oxide 5.0
Silane-treated titanium oxide 3.0
Squalane 5.0
Decamethylcyclopentasiloxane 3.0
Dimethylpolysiloxane (100cs) 2.0
SIMULGEL EG (Note 1) 3.5
Ammonium glycyrrhizinate 0.3
Ethanol 15.0
Edetate disodium 0.01
Xanthan gum 0.1
Nicotinamide 0.01
Fragrance 0.2
Purified water balance
実施例4で使用した香料の組成を表2に示す。 Table 2 shows the composition of the fragrance used in Example 4.
実施例5
下記に示す配合成分からなるO/W型日焼け止め乳液を常法にて調製した。該O/W型日焼け止め乳液は、安定性及び使用感に優れたものであった。
成分名 配合量(%)
パラメトキシケイ皮酸2−エチルヘキシル 5.0
4−tert−ブチル−4'− メトキシジベンゾイルメタン 1.0
球状シリコン粉体(注5) 3.0
ミリスチン酸イソセチル 3.0
シリコーン処理酸化亜鉛 5.0
シラン処理酸化チタン 3.0
デカメチルシクロペンタシロキサン 2.0
イソドデカン 3.0
ジメチルポリシロキサン(30000cs) 0.5
SIMULGEL EG(注1) 3.5
エタノール 15.0
エデト酸二ナトリウム 0.01
アクリル酸・メタクリル酸アルキル共重合体 0.1
キサンタンガム 0.02
グリチルリチン酸二カリウム 0.1
ポリオキシエチレン(20)ヤシ油脂肪酸ソルビタン 0.5
ポリオキシエチレン(60)硬化ヒマシ油 0.3
精製水 残 量
(注5)トスパール(商品名:モメンティブ・パフォーマンス・マテリアルズ社製)
Example 5
An O / W type sunscreen emulsion composed of the following ingredients was prepared in a conventional manner. The O / W type sunscreen emulsion was excellent in stability and usability.
Ingredient name Compounding amount (%)
2-Ethylhexyl paramethoxycinnamate 5.0
4-tert-Butyl-4′-methoxydibenzoylmethane 1.0
Spherical silicon powder (Note 5) 3.0
Isocetyl myristate 3.0
Silicone-treated zinc oxide 5.0
Silane-treated titanium oxide 3.0
Decamethylcyclopentasiloxane 2.0
Isododecane 3.0
Dimethylpolysiloxane (30000cs) 0.5
SIMULGEL EG (Note 1) 3.5
Ethanol 15.0
Edetate disodium 0.01
Acrylic acid / alkyl methacrylate copolymer 0.1
Xanthan gum 0.02
Dipotassium glycyrrhizinate 0.1
Polyoxyethylene (20) palm oil fatty acid sorbitan 0.5
Polyoxyethylene (60) hydrogenated castor oil 0.3
Purified water balance
(Note 5) Tospearl (trade name: manufactured by Momentive Performance Materials)
尚、いずれの実施例の組成物を使用した場合にも、皮膚に炎症、その他副作用と考えられる症状は発現せず、本発明に係るO/W型日焼け止め化粧料は安全性にも優れることが明らかであった。 It should be noted that, when the composition of any of the examples is used, the skin is not irritated and other symptoms that are considered to be a side effect do not appear, and the O / W type sunscreen cosmetic according to the present invention is excellent in safety. Was obvious.
本発明により、保存安定性に優れ、のび、肌なじみがよく、べたつき感を感じさせないという良好な使用感を有するO/W型日焼け止め化粧料を提供することができる。 According to the present invention, it is possible to provide an O / W-type sunscreen cosmetic that is excellent in storage stability, has a good feeling of stickiness, has a good feeling of stickiness, and does not feel sticky.
Claims (2)
一般式 −C 3 H 6 O(C 2 H 4 O) a (C 3 H 6 O) b R'
(式中、R'は、水素原子、アシル基、または、炭素原子数1〜4のアルキル基であり、aとbは、同一でも異なってもよい、5〜50の整数である)
で表されるポリオキシアルキレン基であり、かつ、ポリエーテル変性シリコーン(I)1分子中、A 1 、A 2 および、n個のA 3 のうち、少なくとも1個は、このポリオキシアルキレン基であり、
Rは、メチル基、または、フェニル基であり、mは、200〜600の整数、nは、1〜40の整数である〕 (A) (sodium acrylate / acryloyldimethyltaurine) copolymer, (B) zinc oxide and / or titanium oxide, (C) dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, decamethyl which is liquid at 25 ° C A silicone oil selected from the group consisting of cyclopentasiloxane, octamethylcyclotetrasiloxane, dodecamethylcyclohexasiloxane and tetramethyltetrahydrogencyclotetrasiloxane, and (D) O containing glycyrrhizic acid, glycyrrhetinic acid or a salt thereof. / W-type sunscreen cosmetics (except when it contains a polyether-modified silicone represented by the following formula (I)).
Formula -C 3 H 6 O (C 2 H 4 O) a (C 3 H 6 O) b R '
(In the formula, R ′ is a hydrogen atom, an acyl group, or an alkyl group having 1 to 4 carbon atoms, and a and b may be the same or different, and are an integer of 5 to 50)
And in one molecule of the polyether-modified silicone (I) , at least one of A 1 , A 2, and n A 3 is a polyoxyalkylene group. Yes,
R is a methyl group or a phenyl group, m is an integer of 200 to 600, and n is an integer of 1 to 40.
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