| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a skin care preparation for external use comprising collagen and having an appearance and a touch of use fitted for an image of the collagen. <P>SOLUTION: This skin care preparation for external use is characterized as comprising (a) the collagen and (b) a hydrophobic modified polyetherurethane represented by the formula (1) R<SP>1</SP>-ä(O-R<SP>2</SP>)<SB>k</SB>-OCONH-R<SP>3</SP>[-NHCOO-(R<SP>4</SP>-O)<SB>n</SB>-R<SP>5</SP>]<SB>h</SB>}<SB>m</SB>(1) (wherein, R<SP>1</SP>, R<SP>2</SP>and R<SP>4</SP>denote each a hydrocarbon group which may each be the same or different; R<SP>3</SP>denote a hydrocarbon group which may have a urethane bond; R<SP>5</SP>denotes a straight-chain, a branched chain or a secondary hydrocarbon group; (m) is a number of≥2; (h) is a number of≥1; and (k) and (n) are each independently a number within the range of 0-1,000). <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
