GENEVA, Dec. 8 -- HENKEL AG & CO. KGAA (Henkelstrasse 6740589 Dusseldorf) filed a patent application (PCT/EP2024/086131) for "NATURAL-SUBSTANCE-BASED HAIR-DYEING METHODS" on Dec 13, 2024. With publication no. WO/2025/247518, the details related to the patent application was published on Dec 04, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): STRASKE, Fabian (ErichstraBe 19b20359 Hamburg), HACHMANN, Julia (KunhardtstraBe 120249 Hamburg), SAULER, Jule (Alter Postweg 8421075 Hamburg), VILL, Volkmar (Grindelallee 13420146 Hamburg)
Abstract: The invention relates to methods for dyeing keratin-co...