JP5198037B2 - 皮膚外用剤の有効性評価方法、有効性評価装置、及び有効性評価プログラム - Google Patents
皮膚外用剤の有効性評価方法、有効性評価装置、及び有効性評価プログラム Download PDFInfo
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
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Description
De Fabo EC,Noonan FP: Mechanism of immune suppression by ultraviolet irradiation in vivo.I.Evidence for the existence of a unique photoreceptor in skin and its role in photoimmunology.J.Exp.Med.1983;158:84−98.
本発明は、紫外線による皮膚への影響をより簡便かつ短時間で測定し指標化するため、表皮角層中に存在し、紫外線により異性化するウロカニン酸を指標にすることとし、これにより、皮膚外用剤の紫外線防止効果を簡便かつ短時間に評価する。
まず、本実施形態における有効性評価装置の機構構成例について図を用いて説明する。
ここで、上述した測定手段14の構成例について、具体的に説明する。本実施形態では、ラマン分光法による角層内のウロカニン酸量の深さ分布を測定する。
ここで、上述した有効性評価装置10においては、各機能をコンピュータに実行させることができる実行プログラム(有効性評価プログラム)を生成し、例えば汎用のパーソナルコンピュータ、サーバ等にその実行プログラムをインストールすることにより、本発明における紫外線防止用皮膚外用剤の有効性評価処理等を実現することができる。
次に、本実施形態における紫外線防止用皮膚外用剤の有効性評価処理手順について説明する。図3は、本実施形態における紫外線防止用皮膚外用剤の有効性評価処理手順の一例を示すフローチャートである。なお、以下に示すフローチャートでは、本実施形態における測定条件として必要な紫外線防止用皮膚外用剤の塗布前と塗布後(塗布の有無)、及び、紫外線曝露前と紫外線曝露後におけるウロカニン酸量の深さ分布を測定可能となるように処理を行う。
次に、指標の導出と、その指標による評価例について説明する。図4は、本実施形態における指標の導出・評価例1について説明するための一例を示す図である。つまり、図4では、ラマン分光法によって測定した角層内のウロカニン酸量の深さ分布を用いて得られる指標の一例を示している。
次に、上述した手法以外の指標の導出・評価例について説明する。図5は、本実施形態における指標の導出・評価例2について説明するための一例を示す図である。
次に、上述した2つの手法以外の指標の導出・評価例について説明する。図6は、本実施形態における指標の導出・評価例3について説明するための一例を示す図である。指標の導出・評価例3では、上述した2つの指標とは別の指標として、図6に示すように角層内ウロカニン酸総量での残存率を用いる。なお、図6には、「無塗布・照射有」、「塗布有・照射無」、「塗布有・照射有」に対する角層内ウロカニン酸総量での残存率(%)が示されている。
次に、上述した3つの手法以外の指標の導出・評価例について説明する。指標の導出・評価例4では、上述した指標とは別の指標として、表面3点総ウロカニン酸残存量を用いる。具体的には、ラマン分光法によって測定したウロカニン酸の深さ分布は、上述した実施形態によれば、例えば、2μm毎にグラフにプロットすることができるため、皮膚表面2μmから6μmまでの3点のウロカニン酸量(2μm,4μm,6μm)を合計し、その残存率を求める。したがって、評価では、この表面3点総ウロカニン酸残存量を用いて、紫外線防止用皮膚外用剤の有効性の効果を評価することができる。
次に、上述した指標の導出内容等に基づく紫外線防止用皮膚外用剤の有効性評価の実施例について説明する。なお、以下の実施例では、紫外線防止用皮膚外用剤の有効性評価において、太陽紫外光シミュレート光の照射量や紫外線防止用皮膚外用剤のSPF等を変化させて、紫外線防止用皮膚外用剤の有無と太陽紫外光シミュレート光照射(曝露)前後での角層内のウロカニン酸量の深さ分布をラマン分光法によって測定し、角層内ウロカニン酸量の深さ分布に基づいて評価する。
まず、評価方法の第1の実施例(実施例1)について説明する。実施例1では、紫外線防止用皮膚外用剤を塗布しない状態での太陽紫外光シミュレート光照射によるウロカニン酸の残存率の違いを比較した。
次に、評価方法の第2の実施例(実施例2)について説明する。実施例2では、紫外線防止用皮膚外用剤の塗布前及び塗布後(塗布の有無)での太陽紫外光シミュレート光照射によるウロカニン酸の残存率の違いを比較することで有効性評価を行う。
次に、評価方法の第3の実施例(実施例3)について説明する。実施例3では、SPF値の異なる紫外線防止用皮膚外用剤の比較を実施評価する。
11 入力手段
12 出力手段
13 蓄積手段
14 測定手段
15 指標導出手段
16 評価手段
17 制御手段
21 入力装置
22 出力装置
23 ドライブ装置
24 補助記憶装置
25 メモリ装置
26 CPU
27 ネットワーク接続装置
28 記録媒体
Claims (7)
- 紫外線防止用の皮膚外用剤を皮膚に塗布した後の有効性の評価を行う皮膚外用剤の有効性評価方法において、
前記皮膚外用剤の塗布の有無で紫外線に曝露されることにより変化した角層内のウロカニン酸量をラマン分光法によって測定する測定ステップと、
前記測定ステップにより得られる測定結果に対して前記皮膚外用剤の有効性評価を行うための少なくとも1つの指標を導出する指標導出ステップと、
前記指標導出ステップにより得られる前記指標を用いて、評価手段により前記有効性評価を行う評価ステップとを有することを特徴とする有効性評価方法。 - 前記測定ステップは、
前記皮膚外用剤の塗布の有無における角層内のウロカニン酸量の深さ分布を測定することを特徴とする請求項1に記載の有効性評価方法。 - 前記指標導出ステップは、
前記角層内のウロカニン酸の総量、平均量、皮膚表面からの深さ分布、残存率、表面3点総ウロカニン酸残存量のうち、少なくとも1つを指標として導出することを特徴とする請求項1又は2に記載の有効性評価方法。 - 紫外線防止用の皮膚外用剤を皮膚に塗布した後の有効性の評価を行う皮膚外用剤の有効性評価装置において、
前記皮膚外用剤の塗布の有無で紫外線に曝露されることにより変化した角層内のウロカニン酸量をラマン分光法によって測定する測定手段と、
前記測定手段により得られる測定結果に対して前記皮膚外用剤の有効性評価を行うための少なくとも1つの指標を導出する指標導出手段と、
前記指標導出手段により得られる前記指標を用いて、前記有効性評価を行う評価手段とを有することを特徴とする有効性評価装置。 - 前記測定手段は、
前記皮膚外用剤の塗布の有無における角層内のウロカニン酸量の深さ分布を測定することを特徴とする請求項4に記載の有効性評価装置。 - 前記指標導出手段は、
前記角層内のウロカニン酸の総量、平均量、皮膚表面からの深さ分布、残存率、表面3点総ウロカニン酸残存量のうち、少なくとも1つを指標として導出することを特徴とする請求項4又は5に記載の有効性評価装置。 - 請求項1乃至3の何れか1項に記載の皮膚外用剤の有効性評価方法を、コンピュータに実行させるための有効性評価プログラム。
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Application Number | Priority Date | Filing Date | Title |
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JP2007286607A JP5198037B2 (ja) | 2007-11-02 | 2007-11-02 | 皮膚外用剤の有効性評価方法、有効性評価装置、及び有効性評価プログラム |
AU2008319887A AU2008319887A1 (en) | 2007-11-02 | 2008-10-29 | Effectiveness evaluation method, effectiveness evaluation device, and effectiveness evaluation program all for external preparation for skin |
KR1020107008619A KR20100075512A (ko) | 2007-11-02 | 2008-10-29 | 피부외용제의 유효성 평가 방법, 유효성 평가 장치 및 유효성 평가 프로그램이 기록된 컴퓨터로 읽을 수 있는 기록매체 |
EP08845371A EP2213243A4 (en) | 2007-11-02 | 2008-10-29 | METHOD FOR EVALUATING EFFICACY; DEVICE FOR ASSESSING EFFICACY AND PROGRAM FOR EVALUATING THE EFFECTIVENESS OF A TOPICAL SKIN PREPARATION |
PCT/JP2008/069684 WO2009057657A1 (ja) | 2007-11-02 | 2008-10-29 | 皮膚外用剤の有効性評価方法、有効性評価装置、及び有効性評価プログラム |
US12/739,173 US20100247443A1 (en) | 2007-11-02 | 2008-10-29 | Effectiveness evaluating method, effectiveness evaluating device, and effectiveness evaluating program for external preparation for skin |
CN2008801136209A CN101842055B (zh) | 2007-11-02 | 2008-10-29 | 皮肤外用剂的有效性评价方法、有效性评价装置以及有效性评价程序 |
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JP5198037B2 true JP5198037B2 (ja) | 2013-05-15 |
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US (1) | US20100247443A1 (ja) |
EP (1) | EP2213243A4 (ja) |
JP (1) | JP5198037B2 (ja) |
KR (1) | KR20100075512A (ja) |
CN (1) | CN101842055B (ja) |
AU (1) | AU2008319887A1 (ja) |
WO (1) | WO2009057657A1 (ja) |
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EP2274051A4 (en) * | 2008-05-09 | 2011-07-20 | Hugh Beckman | MEDICAL DEVICE FOR USE IN THE DIAGNOSIS AND TREATMENT OF TISSUE ANOMALIES AND METHOD FOR THE IMPLEMENTATION |
JP5323600B2 (ja) * | 2009-07-17 | 2013-10-23 | 花王株式会社 | 角層厚の計測方法 |
KR101695843B1 (ko) * | 2010-11-22 | 2017-01-13 | (주)아모레퍼시픽 | 자외선 차단제의 지속성 평가방법 |
JP5425131B2 (ja) * | 2011-03-29 | 2014-02-26 | 三菱電機株式会社 | ラマン分光装置およびそれを用いた識別装置 |
JP6105252B2 (ja) * | 2012-10-26 | 2017-03-29 | 株式会社コーセー | 皮膚内挙動評価方法 |
KR101626755B1 (ko) * | 2014-07-02 | 2016-06-03 | 마루엘에스아이 주식회사 | 자외선 차단제 평가정보 제공장치 및 이를 수행하는 컴퓨터 프로그램을 기록한 컴퓨터로 판독 가능한 저장 매체 |
GB201415671D0 (en) * | 2014-09-04 | 2014-10-22 | Systems Rsp As | Method and apparatus for transdermal in vivo measurement by raman spectroscopy |
KR102299508B1 (ko) * | 2015-03-17 | 2021-09-07 | (주)아모레퍼시픽 | 구강용 세정제 조성물에 포함되는 유효성분의 안정성 가속시험 방법 |
CN105158372B (zh) * | 2015-09-11 | 2017-01-18 | 中国检验检疫科学研究院 | 一种化妆品中尿刊酸及其乙酯的测定方法 |
CN111511289B (zh) * | 2017-12-28 | 2023-05-30 | 花王株式会社 | 紫外线敏感性的判定方法 |
WO2020053019A1 (en) | 2018-09-14 | 2020-03-19 | Unilever N.V. | Evaluating the efficacy of leave-on cosmetic compositions to protect skin from pollutants |
WO2024054298A2 (en) * | 2022-07-15 | 2024-03-14 | Ohio State Innovation Foundation | Detecting radiation exposure via raman spectroscopy |
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EP0686025B1 (en) * | 1993-02-26 | 2003-09-10 | Estee Lauder Inc. | Titanium dioxide dispersions, cosmetic compositions and methods for using the same |
AU2002236343A1 (en) * | 2002-02-28 | 2003-09-09 | Erasmus Universiteit Rotterdam | Depth selective ph measurement and uv exposure measurement |
US7499153B2 (en) * | 2002-12-02 | 2009-03-03 | River Diagnostics B.V. | Use of high wavenumber Raman spectroscopy for measuring tissue |
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- 2008-10-29 WO PCT/JP2008/069684 patent/WO2009057657A1/ja active Application Filing
- 2008-10-29 EP EP08845371A patent/EP2213243A4/en not_active Withdrawn
- 2008-10-29 KR KR1020107008619A patent/KR20100075512A/ko not_active Application Discontinuation
- 2008-10-29 US US12/739,173 patent/US20100247443A1/en not_active Abandoned
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EP2213243A4 (en) | 2011-06-29 |
CN101842055B (zh) | 2012-07-04 |
JP2009115513A (ja) | 2009-05-28 |
AU2008319887A1 (en) | 2009-05-07 |
CN101842055A (zh) | 2010-09-22 |
EP2213243A1 (en) | 2010-08-04 |
US20100247443A1 (en) | 2010-09-30 |
WO2009057657A1 (ja) | 2009-05-07 |
KR20100075512A (ko) | 2010-07-02 |
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