JP2006188489A - Anti-dermatopathy agent and skin care preparation for external use comprising the same - Google Patents

Anti-dermatopathy agent and skin care preparation for external use comprising the same Download PDF

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JP2006188489A
JP2006188489A JP2005309178A JP2005309178A JP2006188489A JP 2006188489 A JP2006188489 A JP 2006188489A JP 2005309178 A JP2005309178 A JP 2005309178A JP 2005309178 A JP2005309178 A JP 2005309178A JP 2006188489 A JP2006188489 A JP 2006188489A
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skin
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dermatopathy
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JP4988186B2 (en
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Hiroaki Mitani
紘明 三谷
Yukiko Niimoto
新本由紀子
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Kose Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an anti-dermatopathy agent which suppresses or improves at least one dermatopathy of wrinkle formation, pachismus, sclerema, unusual accumulation of an extra-cellular matrix component, collagen crosslinking formation and the like caused by exposure to ultraviolet rays, and to provide a skin care preparation for external use comprising the same as an effective ingredient. <P>SOLUTION: The anti-dermatopathy agent comprises 9-octadecenoic diacid. The skin care preparation for external use comprises the same as the effective ingredient. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、紫外線曝露に起因する皮膚障害を抑制又は改善する抗皮膚障害剤、及びこれを含有する皮膚外用剤に関する。更に詳細には、9−オクタデセン二酸を抗皮膚障害剤として含有し、紫外線曝露に起因する皮膚細胞外マトリックス成分の異常蓄積、コラーゲン架橋形成、シワ形成、皮膚肥厚、及び皮膚硬化等の少なくとも一つ以上を抑制又は改善する化粧品や医薬品として有用な皮膚外用剤に関する。   The present invention relates to an anti-dermatological agent that suppresses or ameliorates skin damage caused by exposure to ultraviolet rays, and a skin external preparation containing the same. More specifically, it contains 9-octadecenedioic acid as an anti-dermatological agent, and at least one of abnormal accumulation of skin extracellular matrix components, collagen cross-linking, wrinkle formation, skin thickening, and skin hardening caused by UV exposure. The present invention relates to a skin external preparation useful as a cosmetic or a pharmaceutical agent that suppresses or improves one or more.

紫外線(例えば、太陽光)の連続的な長期間曝露は皮膚にケミカルメディエーター、サイトカイン等による炎症を生じせしめ、シワ、タルミ、皮膚肥厚、皮膚硬化、皮膚癌、日光性弾性線維症等の皮膚障害が生じる(非特許文献1参照)。特に表皮及び真皮が肥厚することにより、皮膚の弾性、保湿性が低下し、これが皮膚老化の要因の一つとなっていると考えられている。そこで、従来からこれらの障害を防ぐために、紫外線吸収剤(特許文献1、非特許文献2参照)、紫外線散乱剤(非特許文献3参照)が配合された外用剤、すなわち乳液、クリーム、ローション、美容液、ファンデーション、軟膏、パップ剤、貼付剤等が使用されている。
又、加齢、紫外線曝露等により生じる皮膚のシワやタルミ、ハリや弾力性の低下を予防、あるいは改善するために、レチノイン酸(非特許文献4参照)、抗炎症薬(非特許文献5参照)やオウバクエキス、シラカバエキス、セージエキス、ローマカミツレエキス等(特許文献2参照)、メリッサ抽出物(特許文献3参照)、更に細胞外マトリックス成分の異常蓄積、皮膚肥厚、シワ等の抑制に活性型ビタミンD(非特許文献6参照)の配合が報告されている。
Long-term exposure to ultraviolet rays (e.g. sunlight) causes skin to become irritated by chemical mediators, cytokines, etc., and skin disorders such as wrinkles, tarmi, skin thickening, skin sclerosis, skin cancer, solar elastic fibrosis, etc. (See Non-Patent Document 1). In particular, the thickening of the epidermis and dermis results in a decrease in skin elasticity and moisture retention, which is considered to be one of the factors of skin aging. Therefore, in order to prevent these obstacles conventionally, an external preparation containing an ultraviolet absorber (see Patent Document 1 and Non-Patent Document 2) and an ultraviolet scattering agent (see Non-Patent Document 3), that is, an emulsion, cream, lotion, Cosmetic liquids, foundations, ointments, cataplasms, patches, etc. are used.
In addition, retinoic acid (see Non-Patent Document 4), anti-inflammatory drug (see Non-Patent Document 5) to prevent or ameliorate skin wrinkles, talmi, elasticity and reduction in elasticity caused by aging, UV exposure, etc. ), Buckwheat extract, birch extract, sage extract, roman chamomile extract, etc. (see Patent Document 2), Melissa extract (see Patent Document 3), and also active in inhibiting abnormal accumulation of extracellular matrix components, skin thickening, wrinkles, etc. Formulation of type vitamin D 3 (see Non-Patent Document 6) has been reported.

しかしながら、例えば、レチノイン酸を配合した皮膚外用剤は、真皮上層にコラーゲンを増殖させ、シワを改善する効果は有するが、シワの発生を抑制する効果までは認められず、塗布を中止すると元に戻ってしまう等の問題がある。又、活性型ビタミンDはカルシウム代謝等の副作用の問題がある。他の紫外線吸収剤、紫外線散乱剤、抗炎症薬、植物抽出物等を配合した皮膚外用剤においても、シワ形成、皮膚肥厚等の抑制、改善効果が十分ではなかったり、効果を高めるためにこれらの添加物を高濃度に配合すると製剤の使用感が損なわれたり、高温時や経時で変質する等の問題が生じる場合があった。 However, for example, a topical skin preparation formulated with retinoic acid has an effect of improving the wrinkle by proliferating collagen in the upper layer of the dermis, but the effect of suppressing the generation of wrinkles is not recognized. There is a problem such as returning. The active vitamin D 3 have a side effect problems such as calcium metabolism. Even in the topical skin preparations containing other UV absorbers, UV scattering agents, anti-inflammatory agents, plant extracts, etc., these are not effective in suppressing or improving wrinkle formation, skin thickening, etc. When these additives are blended at a high concentration, the usability of the preparation may be impaired, and problems such as deterioration at high temperatures and over time may occur.

一方、9−オクタデセン二酸の化粧料への応用は、美白剤としての報告(非特許文献7参照)はあるが、9−オクタデセン二酸を含有し、紫外線曝露に起因する皮膚障害を抑制又は改善する効果を有する化粧料は見当たらない。また、ジカルボン酸類の光老化防止や、シワ・タルミ防止用の化粧料への例としては、炭素数7〜13のジカルボン酸類のシワ防止(特許文献4参照)、炭素数3〜13の飽和脂肪族ジカルボン酸のメイラード反応抑制による老化防止効果(特許文献5参照)、アゼライン酸とトランスレチン酸を併用しての抗光老化(特許文献6参照)などがある。しかし、何れも9−オクタデセン二酸が抗皮膚障害効果を有するとの記載や示唆する記載は見当たらない。   On the other hand, the application of 9-octadecenedioic acid to cosmetics has been reported as a whitening agent (see Non-Patent Document 7), but contains 9-octadecenedioic acid to suppress skin damage caused by UV exposure or There are no cosmetics that have an improving effect. Further, examples of cosmetics for preventing photoaging of dicarboxylic acids and preventing wrinkles and tarmi include wrinkle prevention of dicarboxylic acids having 7 to 13 carbon atoms (see Patent Document 4), saturated fat having 3 to 13 carbon atoms. There are anti-aging effects by inhibiting the Maillard reaction of an aromatic dicarboxylic acid (see Patent Document 5), anti-photoaging by using azelaic acid and transretinoic acid in combination (see Patent Document 6), and the like. However, there is no description or suggestion that 9-octadecenedioic acid has an anti-dermatological effect.

特開平09−268194号公報JP 09-268194 A 特開平08−109122号公報Japanese Patent Application Laid-Open No. 08-109122 特開平09−241148号公報JP 09-241148 A 特開平06−298643号公報Japanese Patent Application Laid-Open No. 06-298643 特開平07−109216号公報Japanese Patent Laid-Open No. 07-109216 特開平08−239320号公報Japanese Patent Laid-Open No. 08-239320 菅原努、野津敬一著「太陽紫外線と健康」裳華房(1998) P.2〜100Tsutomu Sugawara and Keiichi Nozu, “Solar UV and Health,” Yukabo (1998) p. 2-100 ニコラス・J・ローウ/ナディム・A・ジャーム編「サンスクリーンと皮膚科学」フレグランスジャーナル社1993年5月20日発行、P.195〜262Nicholas J. Rowe / Nadim A. Germ, “Sunscreen and Dermatology”, published on May 20, 1993, Fragrance Journal, P.A. 195-262 「フレグランスジャーナル」フレグランスジャーナル社編 2002年7月号 P.16〜27、33〜38“Fragrance Journal”, Fragrance Journal, July 2002 16-27, 33-38 Lorraine H.Kligman著,“Effects of all−trans−retinoic acid on the dermis of hairless mice”,Journal of the American Academy of Dermatology,1986年,vol.15,No.4,Part.2,October,P.779〜785Lorraine H. Kligman, “Effects of all-trans-retinoic acid on the dermis of hairless rice,” Journal of the American Academy of Dermatology, 1988. 15, no. 4, Part. 2, October, P.M. 779-785 Bissett DL,et al.著,“Photoprotective effect of topical anti−inflammatory agents against ultraviolet radiation−induced chronic skin damage in the hairless mouse”,1990年,vol.7,P.153〜158Bissett DL, et al. Author, “Photoprotective effect of topical anti-inflammatory agents against ultraradiation radiation-induced chronic skin damage in the hair 90.” 7, p. 153-158 Koshiishi I,et al.著,“1,25−dihydroxyvitamin D3 prevents the conversion of adipose tissue into fibrous tissue in skin exposed to chronic UV irradiation.”,Toxycology and Applied Pharmacology,2001年,vol.173,P.99〜104Koshiishi I, et al. “1,25-dihydroxyvitamin D3 presents the conversion of adipose tissue into fibrosstic in inspired to chronic UV iradiation.”, Toyco. 173, P.I. 99-104 Johann W.Wiechers著,“Global Trends in skin”,2004年,vol.119,P.41〜50Johann W. Wiechers, “Global Trends in skin”, 2004, vol. 119, p. 41-50

従って、紫外線曝露に起因する細胞外マトリックス成分の異常蓄積、コラーゲン架橋形成、シワ形成、皮膚肥厚、及び皮膚硬化等の少なくとも一つ以上の皮膚障害を有効に抑制又は改善する抗皮膚障害剤、及び使用感や剤型に悪影響を及ぼすことなくこれを含有した皮膚外用剤の開発が望まれていた。   Accordingly, an anti-dermatological agent that effectively suppresses or ameliorates at least one skin disorder such as abnormal accumulation of extracellular matrix components, collagen cross-linking formation, wrinkle formation, skin thickening, and skin hardening caused by ultraviolet exposure, and There has been a demand for the development of an external preparation for skin containing this without adversely affecting the feeling of use and dosage form.

本発明者らは、上記目的を達成するために、すでに安全性が確認されている医薬品、化粧品原料、及び民間薬等で使用されている成分に着目し、鋭意研究を重ねた結果、9−オクタデセン二酸が、紫外線曝露に起因する細胞外マトリックス成分の異常蓄積、コラーゲンやエラスチンの架橋、さらにはシワ形成、皮膚肥厚、皮膚硬化等の少なくとも一つ以上の皮膚障害の発現を抑制又は改善する効果に優れるとの新知見を得、本発明を完成した。   In order to achieve the above object, the present inventors have focused on components used in pharmaceuticals, cosmetic raw materials, folk medicines, etc., which have already been confirmed to be safe, and as a result of earnest research, 9- Octadecenedioic acid suppresses or improves the abnormal accumulation of extracellular matrix components caused by UV exposure, cross-linking of collagen and elastin, as well as the development of at least one skin disorder such as wrinkle formation, skin thickening, and skin hardening. The present invention was completed by obtaining new knowledge that the effect is excellent.

すなわち、本発明は、9−オクタデセン二酸を有効成分とする紫外線曝露に起因する皮膚障害を抑制又は改善する抗皮膚障害剤に関するものである。また、紫外線曝露に起因する皮膚障害が、皮膚細胞外マトリックス成分の異常蓄積、コラーゲン架橋形成、シワ形成、皮膚肥厚、及び皮膚硬化の少なくとも一つ以上である抗皮膚障害剤に関するものである。また更には、該抗皮膚障害剤を有効成分として含有し、前記皮膚障害を抑制又は改善する皮膚外用剤、特に老化防止用の皮膚外用剤に関するものである。   That is, this invention relates to the anti-dermatological agent which suppresses or improves the skin disorder resulting from the ultraviolet exposure which uses 9-octadecenedioic acid as an active ingredient. Moreover, the skin disorder | damage | failure resulting from an ultraviolet-ray exposure is related with the anti-dermatological agent which is at least 1 or more of abnormal accumulation | storage of a skin extracellular matrix component, collagen cross-linking formation, wrinkle formation, skin thickening, and skin hardening. Still further, the present invention relates to an external preparation for skin containing the anti-dermatological agent as an active ingredient and suppressing or improving the above-mentioned skin damage, particularly to an external preparation for preventing aging.

本発明に係わる9−オクタデセン二酸は、紫外線曝露に起因する皮膚細胞外マトリックス成分の異常蓄積やコラーゲン架橋形成、シワ形成、皮膚肥厚、及び皮膚硬化の少なくとも一つ以上の皮膚障害の抑制又は改善に効果の高い抗皮膚障害剤である。また、前記抗皮膚障害剤を有効成分として含有する皮膚外用剤は、紫外線曝露に起因する前記皮膚障害を有効に抑制又は改善するものであり、従って、皮膚老化を防止する化粧品や医薬部外品等として有利に利用することができるものである。   9-Octadecenedioic acid according to the present invention suppresses or improves at least one skin disorder of abnormal accumulation of skin extracellular matrix components, collagen cross-linking formation, wrinkle formation, skin thickening, and skin hardening caused by ultraviolet exposure. It is a highly effective anti-dermatological agent. The topical skin preparation containing the anti-dermatological agent as an active ingredient effectively suppresses or ameliorates the skin disorder caused by exposure to ultraviolet rays. Therefore, a cosmetic or quasi-drug that prevents skin aging. Etc., which can be advantageously used.

以下、本発明を詳細に説明する。
本発明に用いられる9−オクタデセン二酸は、炭素数18の9位に不飽和結合を有し、両末端にカルボン酸を持つ不飽和ジカルボン酸であり、安全性が確認され化粧料や皮膚外用剤に用いることができるものであればよく、通常一般に市販されている9−オクタデセン二酸等を用いることができる。
Hereinafter, the present invention will be described in detail.
9-octadecenedioic acid used in the present invention is an unsaturated dicarboxylic acid having an unsaturated bond at the 9-position of 18 carbon atoms and having a carboxylic acid at both ends. What is necessary is just what can be used for a chemical | medical agent, The 9-octadecenedioic acid etc. which are generally marketed normally can be used.

また、本発明の皮膚外用剤は、9−オクタデセン二酸を抗皮膚障害剤として含有することを特徴とするものである。本発明の皮膚外用剤における9−オクタデセン二酸の含有量は、特に限定されるものではないが、皮膚外用剤中、0.0001〜10質量%(以下、単に「%」と記す)であり、好ましくは0.001〜5%、より好ましくは0.1〜2%である。この範囲であれば、紫外線曝露に起因する細胞外マトリックス成分の異常蓄積、特にコラーゲンの異常産生やコラーゲン架橋形成、さらにはシワ形成、皮膚肥厚、皮膚硬化等の少なくとも一つ以上の皮膚障害の発現を抑制又はその症状を改善する効果に優れ、経時安定性の面からも良好なものが得られる。   The external preparation for skin of the present invention is characterized by containing 9-octadecenedioic acid as an anti-dermatological agent. The content of 9-octadecenedioic acid in the external preparation for skin of the present invention is not particularly limited, but is 0.0001 to 10% by mass (hereinafter simply referred to as “%”) in the external preparation for skin. , Preferably 0.001 to 5%, more preferably 0.1 to 2%. Within this range, abnormal accumulation of extracellular matrix components due to UV exposure, especially abnormal production of collagen and collagen cross-linking, as well as the development of at least one skin disorder such as wrinkle formation, skin thickening, skin hardening, etc. It is excellent in the effect of suppressing or improving the symptom thereof, and good in terms of stability over time can be obtained.

本発明の抗皮膚障害剤を含有する皮膚外用剤には上記必須成分の他、化粧料や医薬部外品、外用医薬品等に通常使用される各種の成分、即ち、水、アルコール、油剤、界面活性剤、増粘剤、粉体、キレート剤、pH調整剤、美白剤、抗炎症剤、抗酸化剤、保湿剤、殺菌剤、血行促進剤等の各種薬効剤、動植物・微生物由来の抽出物、紫外線吸収剤、紫外線散乱剤、香料等を、本発明の効果を損なわない範囲で目的に応じて適宜加えることができる。   In addition to the above essential components, the external preparation for skin containing the anti-dermatological agent of the present invention includes various components usually used in cosmetics, quasi-drugs, external medicines, that is, water, alcohols, oils, interfaces. Active agents, thickeners, powders, chelating agents, pH adjusters, whitening agents, anti-inflammatory agents, antioxidants, moisturizers, bactericides, blood circulation promoters and other medicinal agents, extracts derived from animals, plants and microorganisms In addition, an ultraviolet absorber, an ultraviolet scattering agent, a fragrance and the like can be appropriately added depending on the purpose within a range not impairing the effects of the present invention.

また、本発明の抗皮膚障害剤を含有する皮膚外用剤としては、化粧料、医薬部外品、医薬品等が挙げられ、剤型も水性剤型、油性剤型、乳化剤型、粉末剤型、固形剤型等いずれの剤型にも配合することができる。例えば、化粧料としては、化粧水、乳液、クリーム、美容液、パック、バスソルト軟膏、ゲル剤、ファンデーション、パウダー、リップクリーム、口紅、日焼け止め製品等に用いることができる。   Examples of the external preparation for skin containing the anti-dermatological agent of the present invention include cosmetics, quasi-drugs, pharmaceuticals, etc., and the dosage form is an aqueous dosage form, an oil-based dosage form, an emulsifier type, a powder dosage form, It can mix | blend with any dosage forms, such as a solid dosage form. For example, as cosmetics, it can be used in lotions, milky lotions, creams, cosmetic liquids, packs, bath salt ointments, gels, foundations, powders, lip balms, lipsticks, sunscreen products, and the like.

以下に、実施例を挙げて本発明を更に詳細に説明するが、本発明はこれらに何ら制約されるものではない。   Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited thereto.

[コントロール試料(シラカバ樹皮抽出物)の調製例]
既に抗シワ効果が報告されているシラカバ樹皮乾燥物の破砕物100gに対して、25vol%エタノール水溶液1,000mLを加え、還流抽出を2時間行なった。これを遠心分離、加圧ろ過し、膜分離を用い、分子量5,000以下のものを採取し、抽出液660mLを得、エバポレーターで減圧濃縮し、エタノールを留去後、この液を凍結乾燥し、シラカバ樹皮抽出物を7.4g得た。
[Preparation example of control sample (birch bark extract)]
1,000 mL of a 25 vol% ethanol aqueous solution was added to 100 g of a crushed dried birch bark that had already been reported to have an anti-wrinkle effect, and reflux extraction was performed for 2 hours. Centrifugation, pressure filtration, and membrane separation were used to collect a sample having a molecular weight of 5,000 or less, and 660 mL of an extract was obtained and concentrated under reduced pressure using an evaporator. After distilling off ethanol, this solution was freeze-dried. 7.4 g of birch bark extract was obtained.

実施例1:ヘアレスマウス紫外線照射による皮膚障害試験
下記調製方法により抗皮膚障害製剤を調製し、紫外線照射による皮膚肥厚、シワ形成、皮膚硬化、皮膚細胞外マトリックス成分の異常蓄積(総ヒドロキシプロリン量、デルマタン硫酸量)、コラーゲン架橋(ペプシン耐性ヒドロキシプロリン)について評価した。
Example 1: Skin damage test by hairless mouse UV irradiation Anti-skin damage preparation was prepared by the following preparation method, skin thickening by UV irradiation, wrinkle formation, skin hardening, abnormal accumulation of skin extracellular matrix components (total hydroxyproline amount, Dermatan sulfate amount) and collagen crosslinking (pepsin resistant hydroxyproline) were evaluated.

[試料(抗皮膚障害製剤)の調製]
9−オクタデセン二酸及び上記製造例によるシラカバ樹皮抽出物を基剤(ポリエチレングリコール1000:エチルアルコール=1:1)に溶解して試料を調製し、ヘアレスマスウス紫外線照射による皮膚評価試験に用いた。尚、9−オクタデセン二酸は2%濃度に、シラカバ樹皮抽出物は陽性コントロールとして5%濃度に調製し用いた。
[Preparation of sample (anti-dermatological preparation)]
A sample was prepared by dissolving 9-octadecenedioic acid and birch bark extract from the above production example in a base (polyethylene glycol 1000: ethyl alcohol = 1: 1), and used for a skin evaluation test by irradiation with hairless massus ultraviolet rays. . In addition, 9-octadecenedioic acid was prepared to 2% concentration, and birch bark extract was used to 5% concentration as a positive control.

[試料塗布法と紫外線照射法]
1群8匹とし、紫外線照射90分前に上述の試料をヘアレスマウス(10週齢)背中に0.1g塗布し、一定量の紫外線(東芝FL20S・BLBランプ)を1日2時間(5回/週)20週間照射し(総照射量:720J/cm)、皮膚肥厚、シワ形成、及び皮膚硬化の抑制効果を調べた。
尚、これらの試料の紫外線吸収スペクトルを測定し、これらは評価試験に影響を与えないことを確認した。
[Sample application method and UV irradiation method]
One group consists of 8 animals, and 0.1 g of the above sample is applied to the back of hairless mice (10 weeks old) 90 minutes before UV irradiation, and a certain amount of UV light (Toshiba FL20S / BLB lamp) is applied for 2 hours a day (5 times). / Week) Irradiation was carried out for 20 weeks (total irradiation amount: 720 J / cm 2 ), and skin thickening, wrinkle formation, and skin hardening inhibitory effects were examined.
In addition, the ultraviolet absorption spectrum of these samples was measured, and it was confirmed that these did not affect the evaluation test.

[評価法]
(皮膚肥厚抑制効果)
紫外線照射前と紫外線照射20週後の皮膚の厚みをダイアル厚みゲージ(OZAK.MFG.CO.LTD.)を用い測定した。結果は、8匹の皮膚厚みの平均値、及びその20週間後の増加率で評価した。
[Evaluation method]
(Skin thickening suppression effect)
The thickness of the skin before ultraviolet irradiation and 20 weeks after ultraviolet irradiation was measured using a dial thickness gauge (OZAK.MFG.CO.LTD.). The results were evaluated by the average value of the skin thickness of 8 animals and the rate of increase after 20 weeks.

(シワ形成抑制効果)
紫外線照射20週後のシワ形成について、下記表4に示す「光皮膚老化グレード」に基づいてシワグレードを判定した。結果は、8匹の評点の平均値で評価した。
(Wrinkle formation inhibitory effect)
About wrinkle formation 20 weeks after ultraviolet irradiation, the wrinkle grade was determined based on the “photoskin aging grade” shown in Table 4 below. The result was evaluated by the average value of the 8 animals.

(皮膚硬化抑制効果)
ヘアレスマウス皮膚背部中央部位を摘み、復元に5秒以上を要する皮膚を皮膚硬化とし、マウス8匹中の発現率で評価した。
(Skin hardening inhibitory effect)
The central part of the back of the hairless mouse skin was picked, and the skin requiring 5 seconds or more for restoration was regarded as skin hardening, and the expression rate in 8 mice was evaluated.

[細胞外マトリックス成分の異常蓄積;総ヒドロキシプロリン量、デルマタン硫酸量]
(総ヒドロキシプロリン;コラーゲン定量法)
皮膚中のヒドロキシプロリンを測定し、コラーゲン異常蓄積量を評価した。
ヒドロキシプロリンの定量は先ず、ヘアレスマウス背部皮膚の凍結切片(20ミクロン)を作製し、スライドガラス上で皮膚切片を加熱処理後、0.05%アルカリ性プロテアーゼ(アクチナーゼE;科研製薬製)(500チロシナーゼ単位/mL)で酵素分解(40℃−2時間)し、この酵素溶液に可溶化した。その後、真空封印し、6N塩酸を用い加水分解後(145℃−4時間)、Woessener法にてヒドロシキプロリンを発色させ、測定した。
[Abnormal accumulation of extracellular matrix components; total hydroxyproline content, dermatan sulfate content]
(Total hydroxyproline; collagen determination method)
Hydroxyproline in the skin was measured and the amount of abnormal collagen accumulation was evaluated.
For the determination of hydroxyproline, first, a frozen section (20 microns) of hairless mouse dorsal skin was prepared, the skin section was heated on a slide glass, and then 0.05% alkaline protease (actinase E; manufactured by Kaken Pharmaceutical) (500 tyrosinase). (Unit / mL) was enzymatically degraded (40 ° C.-2 hours) and solubilized in this enzyme solution. Thereafter, the sample was vacuum-sealed, hydrolyzed with 6N hydrochloric acid (145 ° C. for 4 hours), and then hydroxyproline was colored by the Woessner method and measured.

(デルマタン硫酸定量法)
コラーゲン同様、細胞外マトリックス成分であるデルマタン硫酸の異常蓄積は紫外線照射による皮膚老化指標の一つで、この成分を測定することにより皮膚老化度を評価した。ヘアレスマウス背部皮膚をホルマリン固定後、6ミクロンの皮膚切片を作製し、スライドガラス上で皮膚切片をコンドロイチナーゼABC(0.5単位/mL)及びコラーゲナーゼ(500マンデル単位/mL)の酵素混合溶液で酵素分解(37℃−2時間)し、この酵素溶液に可溶化させた後、下記の条件のポストカラム法にてHPLC装置を用いて試料を分離し、反応試薬1と混合し、次いで反応試薬2と混合後、110℃−2分間チューブ内で反応させ、蛍光誘導体とし、蛍光検出器で測定した。
(Dermatan sulfate determination method)
Like collagen, abnormal accumulation of dermatan sulfate, an extracellular matrix component, is one of the indicators of skin aging caused by ultraviolet irradiation, and the degree of skin aging was evaluated by measuring this component. After formalin fixation of the hairless mouse dorsal skin, a 6-micron skin section is prepared, and the skin section is mixed with chondroitinase ABC (0.5 units / mL) and collagenase (500 mandel units / mL) on a slide glass. After enzymatic degradation with the solution (37 ° C. for 2 hours) and solubilization in this enzyme solution, the sample was separated using an HPLC apparatus by the post-column method under the following conditions, mixed with the reaction reagent 1, and then After mixing with the reaction reagent 2, it was reacted in a tube at 110 ° C. for 2 minutes to obtain a fluorescent derivative, which was measured with a fluorescence detector.

(HPLC条件)
HPLCカラム:DOCOSIL(4.6i.d.×150mm:センシュー科学社製)
蛍光検出:Ex.346nm、Em.410nm
移動相:8.5%アセトニトリル−1mMテトラn−ブチルアンモニウム水素硫酸
流速:1.5mL/分
カラム温度:60℃
反応試薬1:0.3M NaOH(0.25mL/分)
反応試薬2:0.25%2−シアノアセトアミド
(HPLC conditions)
HPLC column: DOCOSIL (4.6id × 150mm: manufactured by Senshu Scientific Co., Ltd.)
Fluorescence detection: Ex. 346 nm, Em. 410nm
Mobile phase: 8.5% acetonitrile-1 mM tetra n-butylammonium hydrogensulfate Flow rate: 1.5 mL / min Column temperature: 60 ° C.
Reaction reagent 1: 0.3 M NaOH (0.25 mL / min)
Reaction reagent 2: 0.25% 2-cyanoacetamide

(コラーゲン架橋:ペプシン耐性ヒドロキシプロリン定量法)
酸性プロテアーゼ(ペプシン;ナカライテスク社製)による分解の難易により、皮膚中のコラーゲン架橋度を評価した。
先ず、上記コラーゲン定量法で作製したヘアレスマウス背部皮膚の凍結切片(20ミクロン)をスライドガラス上で0.01%ペプシン(366単位/mL)で酵素分解(5℃−64時間)し、ペプシン可溶のコラーゲンを水にて洗浄し除去した。その後、上述した同様な方法にてペプシン耐性のコラーゲンを加熱後、アクチナーゼEを用い酵素分解し、この酵素溶液に可溶化した。次に溶液を真空封印し、6N塩酸を用い加水分解後(145℃−4時間)、Woessener法にてヒドロシキプロリンを発色させ、ペプシン耐性ヒドロキシプロリンを測定した。
(Collagen cross-linking: Pepsin resistant hydroxyproline quantitative method)
The degree of collagen cross-linking in the skin was evaluated based on the difficulty of degradation by acid protease (pepsin; manufactured by Nacalai Tesque).
First, a frozen section (20 microns) of the hairless mouse dorsal skin prepared by the above-described collagen quantification method was enzymatically degraded with 0.01% pepsin (366 units / mL) on a slide glass (5 ° C.-64 hours) to allow pepsin. The dissolved collagen was removed by washing with water. Thereafter, pepsin-resistant collagen was heated by the same method as described above, and then enzymatically decomposed using actinase E and solubilized in this enzyme solution. Next, the solution was sealed in a vacuum, hydrolyzed with 6N hydrochloric acid (145 ° C. for 4 hours), and then developed with hydroxyproline by Woessener method to measure pepsin resistant hydroxyproline.

(ペプシン耐性ヒドロキシプロリン(%)算出法)
皮膚中の総ヒドロキシプロリンに対するペプシン耐性ヒドロキシプロリンの含有率を算出し、コラーゲン架橋形成の指標とした。
ペプシン耐性ヒドロキシプロリン含有率(%)=(ペプシン耐性ヒドロキシプロリン/総ヒドロキシプロリン)×100
(Pepsin resistant hydroxyproline (%) calculation method)
The content of pepsin resistant hydroxyproline relative to total hydroxyproline in the skin was calculated and used as an index for collagen cross-linking formation.
Pepsin resistant hydroxyproline content (%) = (pepsin resistant hydroxyproline / total hydroxyproline) × 100

皮膚肥厚、シワ形成、皮膚硬化、細胞外マトリックス成分の異常蓄積(総ヒドロキシプロリン量、デルマタン硫酸量)、コラーゲン架橋(ペプシン耐性ヒドロキシプロリン量、含有率)の評価結果をそれぞれ表1〜3に併せて示す。 Tables 1 to 3 show the evaluation results of skin thickening, wrinkle formation, skin hardening, abnormal accumulation of extracellular matrix components (total hydroxyproline amount, dermatan sulfate amount), and collagen cross-linking (pepsin resistant hydroxyproline amount, content), respectively. Show.

(シワグレード(光皮膚老化グレード)判定基準)
(Wrinkle grade (light skin aging grade) criteria)

表1〜3から明らかなように、本発明品9−オクタデセン二酸は陽性コントロールであるシラカバ樹皮抽出物と比較し、いずれも顕著な皮膚肥厚、皮膚硬化、シワ形成、細胞外マトリックス成分異常蓄積、コラーゲン架橋を抑制する効果に極めて優れたものであった。 As is apparent from Tables 1 to 3, the 9-octadecenedioic acid product of the present invention is significantly more thickened in the skin, sclerosis, wrinkle formation, and abnormal accumulation of extracellular matrix components, compared with the birch bark extract, which is a positive control. It was extremely excellent in the effect of suppressing collagen crosslinking.

実施例2 クリーム
(成分) (%)
(1)モノステアリン酸
ポリエチレングリコール(40E.O.) 2.0
(2)自己乳化型モノステアリン酸グリセリン 5.0
(3)ステアリン酸 5.0
(4)ベヘニルアルコール 1.0
(5)流動パラフィン 10.0
(6)トリオクタン酸グリセリル 10.0
(7)9−オクタデセン二酸*1 2.0
(8)グリセリン 5.0
(9)防腐剤 適量
(10)香料 適量
(11)精製水 残量
*1 ユニケマ社製
Example 2 Cream (ingredient) (%)
(1) Monostearic acid polyethylene glycol (40E.O.) 2.0
(2) Self-emulsifying glyceryl monostearate 5.0
(3) Stearic acid 5.0
(4) Behenyl alcohol 1.0
(5) Liquid paraffin 10.0
(6) Glyceryl trioctanoate 10.0
(7) 9-Octadecenedioic acid * 1 2.0
(8) Glycerin 5.0
(9) Preservative appropriate amount (10) Fragrance appropriate amount (11) Purified water remaining * 1 Made by Unikema

(製法)
A.成分(1)〜(7)を混合し、加熱して70℃に保つ。
B.成分(8)及び(9)、(11)を混合し、加熱して70℃に保つ。
C.AにBを加えて乳化する。
D.Cに成分(10)を加えた後、冷却してクリームを得た。
(Manufacturing method)
A. Ingredients (1) to (7) are mixed and heated to keep at 70 ° C.
B. Ingredients (8) and (9), (11) are mixed and heated to keep at 70 ° C.
C. B is added to A and emulsified.
D. After adding component (10) to C, the mixture was cooled to obtain a cream.

実施例2は、変色変臭などがなく安定であり、肌に適用すると、滑らかな伸び広がりあり、エモリエント効果が高く、連続的に適用することにより紫外線によるシワ形成、皮膚肥厚、皮膚硬化など皮膚障害を抑制又は改善する効果に優れるものであった。   Example 2 is stable without discoloration and odor, and when applied to the skin, it has a smooth spread and a high emollient effect. When applied continuously, the skin such as wrinkle formation by ultraviolet rays, skin thickening, skin hardening, etc. It was excellent in the effect of suppressing or improving the obstacle.

実施例3 化粧水
(成分) (%)
(1)グリセリン 10.0
(2)1,3−ブチレングリコール 6.0
(3)クエン酸 0.1
(4)クエン酸ナトリウム 0.3
(5)精製水 残量
(6)9−オクタデセン二酸*1 0.1
(7)ポリオキシエチレン硬化ヒマシ油(60E.O.) 0.8
(8)エチルアルコール 8.0
(9)防腐剤 適量
(10)香料 適量
Example 3 lotion (ingredient) (%)
(1) Glycerin 10.0
(2) 1,3-butylene glycol 6.0
(3) Citric acid 0.1
(4) Sodium citrate 0.3
(5) Purified water remaining amount (6) 9-octadecenedioic acid * 1 0.1
(7) Polyoxyethylene hydrogenated castor oil (60 EO) 0.8
(8) Ethyl alcohol 8.0
(9) Preservative appropriate amount (10) Perfume appropriate amount

(製法)
A.成分(1)〜(6)を混合溶解する。
B.成分(7)〜(10)を混合溶解する。
C.AとBを混合して、均一にし、化粧水を得た。
(Manufacturing method)
A. Components (1) to (6) are mixed and dissolved.
B. Components (7) to (10) are mixed and dissolved.
C. A and B were mixed and made uniform to obtain a skin lotion.

実施例3は、変色変臭、沈殿などがなく安定であり、肌に適用すると、みずみずしい伸び広がりがあり、しなやかな保湿感があり、連続的に適用することにより紫外線によるシワ形成、皮膚肥厚、皮膚硬化などの皮膚障害を抑制又は改善する効果のあるものであった。   Example 3 is stable without discoloration, odor, precipitation, etc., and when applied to the skin, it has a fresh stretch, has a supple moisturizing sensation, and is continuously applied to form wrinkles due to ultraviolet rays, skin thickening, It was effective in suppressing or improving skin disorders such as skin hardening.

実施例4 乳液
(成分) (%)
(1)モノステアリン酸ソルビタン 0.3
(2)モノオレイン酸ポリオキシエチレンソルビタン
(20E.O.) 0.1
(3)親油型モノステアリン酸グリセリル 0.2
(4)ステアリン酸 0.5
(5)セタノール 0.5
(6)スクワラン 3.0
(7)流動パラフィン 4.0
(8)トリ2−エチルヘキサン酸グリセリル 2.0
(9)ジメチルポリシロキサン 1.0
(10)9−オクタデセン二酸*1 0.1
(11)水素添加大豆リン脂質 0.1
(12)カルボキシビニルポリマー水溶液(1.0%) 10.0
(13)水酸化ナトリウム 0.05
(14)グリセリン 5.0
(15)1,3−ブチレングリコール 7.0
(16)精製水 残量
(17)エチルアルコール 5.0
(18)防腐剤 適量
(19)香料 適量
Example 4 Latex (component) (%)
(1) Sorbitan monostearate 0.3
(2) Polyoxyethylene sorbitan monooleate (20E.O.) 0.1
(3) Lipophilic glyceryl monostearate 0.2
(4) Stearic acid 0.5
(5) Cetanol 0.5
(6) Squalane 3.0
(7) Liquid paraffin 4.0
(8) Glyceryl tri-2-ethylhexanoate 2.0
(9) Dimethylpolysiloxane 1.0
(10) 9-octadecenedioic acid * 1 0.1
(11) Hydrogenated soybean phospholipid 0.1
(12) Carboxyvinyl polymer aqueous solution (1.0%) 10.0
(13) Sodium hydroxide 0.05
(14) Glycerin 5.0
(15) 1,3-butylene glycol 7.0
(16) Purified water remaining amount (17) Ethyl alcohol 5.0
(18) Preservative appropriate amount (19) Fragrance appropriate amount

(製法)
A.成分(1)〜(11)を加熱混合し、70℃に保つ。
B.成分(12)〜(16)を加熱混合し、70℃に保つ。
C.AにBを加えて混合し、均一に乳化する。
D.Cを冷却後(17)〜(19)を加え、均一に混合して乳液を得た。
(Manufacturing method)
A. Ingredients (1) to (11) are heated and mixed and maintained at 70 ° C.
B. Ingredients (12)-(16) are heated and mixed and maintained at 70 ° C.
C. Add B to A, mix and uniformly emulsify.
D. After cooling C, (17) to (19) were added and mixed uniformly to obtain an emulsion.

実施例4は、変色変臭、分離などがなく安定であり、肌に適用すると、滑らかな伸び広がりがあり、適度な保湿感やエミリエント感があり、連続的に適用することにより紫外線によるシワ形成、皮膚肥厚、皮膚硬化などの皮膚障害を抑制又は改善する効果のあるものであった。   Example 4 is stable without discoloration, odor, separation, etc., and when applied to the skin, it has a smooth spread and spread, has an appropriate moisturizing feeling and emollient, and is continuously applied to form wrinkles due to ultraviolet rays. It was effective in suppressing or improving skin disorders such as skin thickening and skin hardening.

実施例5 パック
(成分) (%)
(1)ポリビニルアルコール 15.0
(2)無水ケイ酸 0.5
(3)ポリエチレングリコール 0.5
(4)ポリオキシプロピレンメチルグルコシド 5.0
(5)グリセリン 5.0
(6)精製水 残量
(7)エチルアルコール 10.0
(8)防腐剤 適量
(9)9−オクタデセン二酸*1 0.2
(10)香料 適量
Example 5 Pack (ingredient) (%)
(1) Polyvinyl alcohol 15.0
(2) Silicic anhydride 0.5
(3) Polyethylene glycol 0.5
(4) Polyoxypropylene methyl glucoside 5.0
(5) Glycerin 5.0
(6) Purified water remaining amount (7) Ethyl alcohol 10.0
(8) Preservative appropriate amount (9) 9-octadecenedioic acid * 1 0.2
(10) Perfume appropriate amount

(製法)
A.成分(1)〜(6)を混合し、70℃に加熱して溶解後、冷却する。
B.成分(7)〜(10)を混合して溶解する。
C.AにBを加え、混合してパックを得た。
(Manufacturing method)
A. Components (1) to (6) are mixed, heated to 70 ° C., dissolved, and then cooled.
B. Components (7) to (10) are mixed and dissolved.
C. B was added to A and mixed to obtain a pack.

実施例5は、変色変臭、分離などがなく安定であり、肌に適用すると、適度な緊張感があり、パックを剥がしたが後の肌は潤い感が高く、紫外線によるシワ形成、皮膚肥厚、皮膚硬化など皮膚障害を抑制又は軽減する効果に優れるものであった。   Example 5 is stable without discoloration, odor, separation, etc. When applied to the skin, there is a moderate tension, the skin after peeling off is highly moist, wrinkle formation by ultraviolet rays, skin thickening It was excellent in suppressing or reducing skin disorders such as skin hardening.

実施例6 リキッドファンデーション
(成分) (%)
(1)ジペンタエリトリットテトラ12ヒドロキシステアリン酸
セスキステアリン酸ヘミロジンエステル 2.0
(2)流動パラフィン 5.0
(3)ステアリン酸 2.0
(4)セタノール 1.0
(5)自己乳化型モノステアリン酸グリセリル 1.0
(6)パラメトキシケイ皮酸−2−エチルヘキシル 8.0
(7)9−オクタデセン二酸*1 0.1
(8)防腐剤 適量
(9)グリセリン 5.0
(10)トリエタノールアミン 1.0
(11)カルボキシメチルセルロース 0.2
(12)ベントナイト 0.5
(13)精製水 残量
(14)酸化チタン 6.0
(15)微粒子酸化チタン 2.0
(16)微粒子酸化亜鉛 5.0
(17)マイカ 2.0
(18)タルク 4.0
(19)着色顔料 4.0
(20)香料 適量
Example 6 Liquid foundation (component) (%)
(1) Dipentaerythritol tetra-12 hydroxystearic acid sesquistearic acid hemirosin ester 2.0
(2) Liquid paraffin 5.0
(3) Stearic acid 2.0
(4) Cetanol 1.0
(5) Self-emulsifying glyceryl monostearate 1.0
(6) Paramethoxycinnamic acid-2-ethylhexyl 8.0
(7) 9-Octadecenedioic acid * 1 0.1
(8) Preservative appropriate amount (9) Glycerin 5.0
(10) Triethanolamine 1.0
(11) Carboxymethylcellulose 0.2
(12) Bentonite 0.5
(13) Purified water remaining amount (14) Titanium oxide 6.0
(15) Fine particle titanium oxide 2.0
(16) Fine zinc oxide 5.0
(17) Mica 2.0
(18) Talc 4.0
(19) Color pigment 4.0
(20) Perfume appropriate amount

(製法)
A.成分(1)〜(7)を加熱し混合溶解する。
B.Aに成分(14)〜(19)を加え、均一に混合し、70℃に保つ。
C.成分(8)〜(13)を均一に溶解し、70℃に保つ。
D.CにBを添加して、均一に乳化する。
E.Dを冷却後、成分(20)を添加してリキッドファンデーションを得た。
(Manufacturing method)
A. Components (1) to (7) are heated and mixed and dissolved.
B. Ingredients (14) to (19) are added to A, mixed uniformly, and kept at 70 ° C.
C. Ingredients (8) to (13) are uniformly dissolved and kept at 70 ° C.
D. B is added to C and emulsified uniformly.
E. After cooling D, component (20) was added to obtain a liquid foundation.

実施例6は、変臭、分離などがなく安定であり、肌に適用すると、潤い感のあるメイク効果に優れ、日中の紫外線からも適度に肌を守り、シワ、皮膚肥厚、皮膚硬化など皮膚障害を抑制又は軽減する効果に優れるものであった。   Example 6 is stable with no odor, separation, etc., and when applied to the skin, is excellent in a moisturizing makeup effect, moderately protects the skin from ultraviolet rays during the day, wrinkles, skin thickening, skin hardening, etc. It was excellent in the effect of suppressing or reducing skin damage.

実施例7 日焼け止め乳液
(成分) (%)
(1)ポリオキシエチレン・メチルポリシロキサン共重合体 1.0
(2)ジメチルポリシロキサン 5.0
(3)オクタメチルシクロテトラシロキサン 20.0
(4)イソノナン酸イソトリデシル 5.0
(5)パラメトキシケイ皮酸−2−エチルヘキシル 5.0
(6)微粒子酸化チタン 10.0
(7)微粒子酸化亜鉛 10.0
(8)酸化ジルコニウム 5.0
(9)ポリスチレン末 3.0
(10)トリメチルシロキシケイ酸 0.5
(11)9−オクタデセン二酸*1 0.2
(12)防腐剤 適量
(13)ジプロピレングリコール 3.0
(14)エチルアルコール 10.0
(15)精製水 残量
(16)食塩 0.2
(17)香料 適量
Example 7 Sunscreen Latex (Component) (%)
(1) Polyoxyethylene / methylpolysiloxane copolymer 1.0
(2) Dimethylpolysiloxane 5.0
(3) Octamethylcyclotetrasiloxane 20.0
(4) Isotridecyl isononanoate 5.0
(5) Paramethoxycinnamic acid-2-ethylhexyl 5.0
(6) Fine particle titanium oxide 10.0
(7) Fine zinc oxide 10.0
(8) Zirconium oxide 5.0
(9) Polystyrene powder 3.0
(10) Trimethylsiloxysilicate 0.5
(11) 9-octadecenedioic acid * 1 0.2
(12) Preservative appropriate amount (13) Dipropylene glycol 3.0
(14) Ethyl alcohol 10.0
(15) Purified water remaining amount (16) Salt 0.2
(17) Perfume appropriate amount

(製法)
A.成分(1)〜(11)を混合分散する。
B.成分(12)〜(16)を混合溶解する。
C.AにBを添加して、均一に乳化する。
D.Cに成分(17)を添加して日焼け止め乳液を得た。
(Manufacturing method)
A. Components (1) to (11) are mixed and dispersed.
B. Components (12) to (16) are mixed and dissolved.
C. Add B to A and emulsify uniformly.
D. Ingredient (17) was added to C to obtain a sunscreen emulsion.

実施例7は、変臭、分離などがなく安定であり、肌に適用すると、さっぱりとしたエモリエント効果があり、日中の紫外線から肌を守り、シワ形成、皮膚肥厚、皮膚硬化など皮膚障害を抑制又は軽減する効果に優れるものであった。   Example 7 is stable with no odor, separation, etc., and when applied to the skin, has a refreshing emollient effect, protects the skin from ultraviolet rays during the day, and prevents skin disorders such as wrinkle formation, skin thickening, and skin hardening. It was excellent in the effect of suppressing or reducing.

Claims (4)

9−オクタデセン二酸を有効成分とする、紫外線曝露に起因する皮膚障害を抑制又は改善することを特徴とする抗皮膚障害剤。 An anti-dermatological agent comprising 9-octadecenedioic acid as an active ingredient, which suppresses or ameliorates skin damage caused by ultraviolet exposure. 紫外線曝露に起因する皮膚障害が、皮膚細胞外マトリックス成分の異常蓄積、コラーゲン架橋形成、シワ形成、皮膚肥厚、皮膚硬化の少なくとも一つ以上であることを特徴とする請求項1の抗皮膚障害剤。 2. The anti-dermatological agent according to claim 1, wherein the skin damage caused by exposure to ultraviolet rays is at least one of abnormal accumulation of skin extracellular matrix components, collagen cross-linking formation, wrinkle formation, skin thickening, and skin hardening. . 請求項1〜2の何れか1項に記載の抗皮膚障害剤を有効成分として含有することを特徴とする皮膚外用剤。 A skin external preparation comprising the anti-dermatological agent according to claim 1 as an active ingredient. 皮膚外用剤が老化防止用であることを特徴とする請求項3記載の皮膚外用剤。 The skin external preparation according to claim 3, wherein the skin external preparation is used for preventing aging.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012500237A (en) * 2008-08-21 2012-01-05 コグニス・アイピー・マネージメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Process for producing unsaturated alpha, omegadicarboxylic acid and / or unsaturated alpha, omegadicarboxylic acid diester
JP2015525778A (en) * 2012-08-01 2015-09-07 ジェネラル トピックス エス.アール.エル.General Topics S.r.l. Antibacterial composition for topical use

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002255777A (en) * 2001-02-23 2002-09-11 Chemisches Laboratorium Dr Kurt Richter Gmbh Cosmetic composition for topical application
JP2004175734A (en) * 2002-11-28 2004-06-24 Kose Corp Dermopathy inhibitor, dermopathy-improving agent, and skin care preparation for external use containing them

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002255777A (en) * 2001-02-23 2002-09-11 Chemisches Laboratorium Dr Kurt Richter Gmbh Cosmetic composition for topical application
JP2004175734A (en) * 2002-11-28 2004-06-24 Kose Corp Dermopathy inhibitor, dermopathy-improving agent, and skin care preparation for external use containing them

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012500237A (en) * 2008-08-21 2012-01-05 コグニス・アイピー・マネージメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Process for producing unsaturated alpha, omegadicarboxylic acid and / or unsaturated alpha, omegadicarboxylic acid diester
JP2015525778A (en) * 2012-08-01 2015-09-07 ジェネラル トピックス エス.アール.エル.General Topics S.r.l. Antibacterial composition for topical use

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