(19)

(11)

EP 4 823 526 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904786.1 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  A61K 8/18(2006.01) A61K 8/85(2006.01) A61Q 3/02(2006.01) A61K 8/02(2006.01) (52) Cooperative Patent Classification (CPC): A61K 2800/651; A61Q 3/02; A61K 2800/412; A61K 2800/81; A61K 8/19; A61K 2800/623; A61K 8/25; A61K 8/042; A61K 8/585; A61K 2800/95; A61K 8/8152 (86) International application number: PCT/US2024/059517 (87) International publication number: WO 2025/128668 (19.06.2025 Gazette 2025/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 12.12.2023 US 202363609261 P (71) Applicant: Wella Operations US, LLC Calabasas, CA 91302 (US)	(72) Inventors: GOTHE, Chaitrali Calabasas, California 91302 (US) TU, Xiaoyan Calabasas, California 91302 (US) YUVAVANICH, Sunan Calabasas, California 91302 (US) (74) Representative: Dierkes, Thorsten  Wella Germany GmbH Berliner Allee 65 64295 Darmstadt 64295 Darmstadt (DE)