化粧料

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专利权人:

日本精化株式会社

发明人:

中道 貴士,橋本 明宏,大橋 幸浩

申请号：

JP2008242311

公开号：

JP5334511B2

申请日:

2008.09.22

申请国别(地区):

JP

年份:

2013

代理人:

摘要：

PROBLEM TO BE SOLVED: To provide a urea derivative excellent in stability over time and pH stability of its aqueous solution, formulable in a cosmetic and skin preparation for external use by using water as a medium, also showing an excellent hair-improving effect on damaged hair and having a high moisturizing effect, and the cosmetic and skin preparation for external use containing the urea derivative.

SOLUTION: This urea derivative expressed by general formula (1) [wherein, at least one of R1to R4is a substituent expressed by general formula (2):-(CH2)n-O-R5(2) (wherein, (n) is an integer of 2 or 3 and R5is 1-4C alkyl or 2-4C hydroxyalkyl) and others are each H] is used.

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