GENEVA, April 13 -- HENKEL AG & CO. KGAA (Henkelstrasse 6740589 Dusseldorf) filed a patent application (PCT/EP2025/069438) for "LAYERING METHOD FOR DYEING HAIR" on Jul 08, 2025. With publication no. WO/2026/073581, the details related to the patent application was published on Apr 09, 2026.
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): SEIFERT, Sabrina (Buchenstr. 18b40599 Dusseldorf), SCHOEPGENS, Juergen (Schulstr. 4641366 Schwalmtal), LECHNER, Torsten (Stefenshovener Str. 2540764 Langenfeld)
Abstract: The invention relates to a method for dyeing hair, in particular human hair, having the foll...