Title:
COMPOSITION COMPRISING AN OXIDATVE DYE AND ALKALIZING AGENT
Document Type and Number:
WIPO Patent Application WO/2023/054557
Kind Code:
A1
Abstract:
The present invention is directed to oxidative dyeing composition A for keratin fibers, preferably for human keratin fibers, more preferably for human hair, comprising a) 1,4-diamino-2-methoxymethyl-benzene, and/or its salt(s), and b) one or more alkalizing agent(s) selected from one or more of metal salt of silicate, metasilicate, disilicate, or phosphate, wherein the total concentration of water is 10% by weight or less, calculated to the total weight of composition A.
Inventors:
NAKAMURA TAKAHITO (JP)
HIRUMA DAISUKE (JP)
HIRUMA DAISUKE (JP)
Application Number:
PCT/JP2022/036368
Publication Date:
April 06, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
A61K8/02; A61K8/24; A61K8/41; A61Q5/10
Domestic Patent References:
| WO2018039314A1 | 2018-03-01 | |||
| WO2019120535A1 | 2019-06-27 |
Foreign References:
| EP1103542A2 | 2001-05-30 |
Other References:
SCHUTTELAAR MARIE L. ET AL: "Cross-elicitation responses to 2-methoxymethyl- p -phenylenediamine in p -phenylenediamine-allergic individuals: Results from open use testing and diagnostic patch testing", vol. 79, no. 5, 1 November 2018 (2018-11-01), US, pages 288 - 294, XP055893715, ISSN: 0105-1873, Retrieved from the Internet DOI: 10.1111/cod.13078
Attorney, Agent or Firm:
ARUGA PATENT OFFICE (JP)
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