发明申请
- 专利标题: Skin Preparation For External Use
- 专利标题(中): 皮肤准备外用
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申请号: US11577804申请日: 2004-10-26
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公开(公告)号: US20080299068A1公开(公告)日: 2008-12-04
- 发明人: Takayuki Omura , Ayano Matsuo , Yoshiko Hiwatari , Isamu Kaneda
- 申请人: Takayuki Omura , Ayano Matsuo , Yoshiko Hiwatari , Isamu Kaneda
- 申请人地址: JP Tokyo
- 专利权人: SHISEIDO CO., LTD.
- 当前专利权人: SHISEIDO CO., LTD.
- 当前专利权人地址: JP Tokyo
- 国际申请: PCT/JP04/15831 WO 20041026
- 主分类号: A61K31/74
- IPC分类号: A61K31/74
摘要:
The present invention provides an external composition for skin that has excellent effects in improving elasticity and alleviating wrinkles while moisturizing the skin, has good spreadability on the skin, and has no stickiness. The external composition for skin of the present invention is characterized by comprising: (A) an acrylic polymer comprising the following monomers (a1), (a2), and (a3) as constituent monomers: (a1) acrylic acid or methacrylic acid; (a2) an alkyl acrylate or alkyl methacrylate; and (a3) an ester between acrylic acid or methacrylic acid and polyoxyethylene alkyl ether; and (B) a cross-linked polyamino acid or its salt. In the external composition for skin of the present invention, it is preferable that (A) is 0.01 to 10.0 weight % as a polymer, and (B) is 0.0001 to 5.0 weight % as a polymer.