JP2016138096A - 近赤外線反射複合体、及び同近赤外線反射複合体を含有する皮膚外用剤、並びに近赤外線反射複合体の形成方法 - Google Patents
近赤外線反射複合体、及び同近赤外線反射複合体を含有する皮膚外用剤、並びに近赤外線反射複合体の形成方法 Download PDFInfo
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Abstract
Description
(2)前記ノニオン界面活性剤は、その構造中にソルビトール骨格又はソルビタン骨格を有すること。
(3)0.1〜5重量部のノニオン界面活性剤と、0.1〜1重量部のアクリル系ポリマーと、5〜20重量部の油剤とを備え、前記ノニオン界面活性剤と前記アクリル系ポリマーとの合計が、前記近赤外線反射複合体100重量%のうち0.2〜6重量%を占めること。
まず、近赤外線反射複合体、及び同近赤外線反射複合体を含有させた皮膚外用剤の調製を行った。
次に、得られた近赤外線防護剤P1〜P3の近赤外線反射能について検証を行った。具体的には、日本分光株式会社製サンプルホルダー PSH-001に、脱気した近赤外線防護剤を充填し、日本分光株式会社製分光光度計V-670DSにて、積分球ユニットを用いて紫外領域から近赤外領域にかけての反射率の測定を行った。また、比較対照として市販の2種の紫外線防護化粧料をそれぞれ比較用外用剤X及び比較用外用剤Yとして同様に計測を行った。図4に近赤外線防護剤P1及び近赤外線防護剤P3について検証した結果を示す。
次に、近赤外線防護剤中の近赤外線反射複合体を構成するアクリル系ポリマーのR'部分をH又はポリオキシエチレンアルキルとした場合における、近赤外線反射能の検証を行った。特にポリオキシエチレンアルキルとしたものについては、アルキル基の炭素数を12〜26として反射率の違いについて確認を行った。なお、反射率の測定波長は1000nmとし、前述の〔2.近赤外線反射能の検証(1)〕と同様の方法により行った。
〔4.皮膚塗布試験〕
次に、上述の近赤外線防護剤P1〜P3を実際に皮膚に塗布し、安全性を確認する試験を行った。
次に、上述の近赤外線防護剤P1〜P3に関し、長期保存における沈殿や離水等の有無、近赤外線反射能の変化について確認を行った。
11 ベース
12 アクリル系ポリマー
13 ミセル
A 近赤外線反射複合体
N 近赤外線
S 皮膚
Claims (5)
- ノニオン界面活性剤で油剤表面が被包された状態のミセルが、水和状態のアクリル系ポリマーの鎖間及び/又は鎖内間に介在してなる近赤外線反射複合体。
- 前記ノニオン界面活性剤は、その構造中にソルビトール骨格又はソルビタン骨格を有することを特徴とする請求項1に記載の近赤外線反射複合体。
- 0.1〜5重量部のノニオン界面活性剤と、0.1〜1重量部のアクリル系ポリマーと、5〜20重量部の油剤とを備え、前記ノニオン界面活性剤と前記アクリル系ポリマーとの合計が、前記近赤外線反射複合体100重量%のうち0.2〜6重量%を占めることを特徴とする請求項1又は請求項2に記載の近赤外線反射複合体。
- 請求項1〜3いずれか1項に記載の近赤外線反射複合体を含有させた皮膚外用剤。
- 0.1〜5重量部のノニオン界面活性剤と0.1〜1重量部のアクリル系ポリマーとを水系溶媒中に0.22〜7.5w/w%の濃度で溶解させて調製した溶液中に5〜20重量部の油剤を添加して乳化させることにより請求項1又は請求項2に記載の近赤外線反射複合体を形成する近赤外線反射複合体の形成方法。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002012851A (ja) * | 2000-06-29 | 2002-01-15 | Naris Cosmetics Co Ltd | 赤外線遮断剤及び化粧料 |
JP2004307437A (ja) * | 2003-04-10 | 2004-11-04 | Unitika Ltd | 老化防止用皮膚外用剤 |
JP2005060346A (ja) * | 2003-08-20 | 2005-03-10 | Noevir Co Ltd | 細胞賦活剤、美白剤、ヒアルロン酸産生促進剤、コラーゲン産生促進剤、抗酸化剤、及び皮膚外用剤 |
JP2012214434A (ja) * | 2011-03-25 | 2012-11-08 | Kose Corp | 梅酢含有化粧料、及び梅酢を有効成分とする薬効剤 |
JP2013511515A (ja) * | 2009-11-20 | 2013-04-04 | 株式会社アモーレパシフィック | 無機粉末を含有する化粧料組成物 |
JP2013529681A (ja) * | 2010-06-29 | 2013-07-22 | 株式会社アモーレパシフィック | 老化防止用化粧料組成物 |
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- 2016-01-22 JP JP2016011015A patent/JP6782420B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002012851A (ja) * | 2000-06-29 | 2002-01-15 | Naris Cosmetics Co Ltd | 赤外線遮断剤及び化粧料 |
JP2004307437A (ja) * | 2003-04-10 | 2004-11-04 | Unitika Ltd | 老化防止用皮膚外用剤 |
JP2005060346A (ja) * | 2003-08-20 | 2005-03-10 | Noevir Co Ltd | 細胞賦活剤、美白剤、ヒアルロン酸産生促進剤、コラーゲン産生促進剤、抗酸化剤、及び皮膚外用剤 |
JP2013511515A (ja) * | 2009-11-20 | 2013-04-04 | 株式会社アモーレパシフィック | 無機粉末を含有する化粧料組成物 |
JP2013529681A (ja) * | 2010-06-29 | 2013-07-22 | 株式会社アモーレパシフィック | 老化防止用化粧料組成物 |
JP2012214434A (ja) * | 2011-03-25 | 2012-11-08 | Kose Corp | 梅酢含有化粧料、及び梅酢を有効成分とする薬効剤 |
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