美白剤及び皮膚外用剤
- 专利权人:
- 株式会社ピカソ美化学研究所
- 发明人:
- 八木 伸夫,進藤 正樹,宮澤 三雄
- 申请号：
- JP2003191709
- 公开号：
- JP4959103B2
- 申请日:
- 2003.07.04
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a bleaching agent and an external preparation for skin having not only excellent bleaching effect, but also excellence in stability and safety.
SOLUTION: The bleaching agent and the external preparation for skin each comprises an extract of Pithecellobium tenue craib. The extract of Pithecellobium tenue craib has excellent inhibition of tyrosinase activity and melanin production-suppressing action and has not only excellent effect preventing and treating pigment spot, freckles and blackening of the skin caused by skin pigmentation after sunburn, but also excellent safety and stability.
COPYRIGHT: (C)2005,JPO&NCIPI
- 来源网站：
- 中国工程科技知识中心
