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Title:
DYEING COMPOSITION USING 3,4-DIHYDROXYPHENYLALANINE AND DYEING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/230050
Kind Code:
A1
Abstract:
Provided is a composition that can dye hair or skin more simply and more safely than a conventional composition. The present invention provides a liquid or non-liquid composition containing 3,4-dihydroxyphenylalanine or a salt thereof and a base.

Inventors:
BISWAS Shuvendu (Inc. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
YAMATO Naoya (Inc. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
ABE So (Inc. 15-1, Kyobashi 1-chome, Chuo-k, Tokyo 15, 〒1048315, JP)
MIYAMOTO Chikanori (Inc. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
Application Number:
JP2018/007301
Publication Date:
December 20, 2018
Filing Date:
February 27, 2018
Export Citation:
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Assignee:
AJINOMOTO CO., INC. (15-1, Kyobashi 1-chome Chuo-k, Tokyo 15, 〒1048315, JP)
International Classes:
A61K8/44; A61Q1/00; A61Q5/10; C09B57/00; C09B67/20; D06P1/32; D06P3/08
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (NAKAMURA & PARTNERS, Shin-Tokyo Bldg. 3-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 55, 〒1008355, JP)
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