(19)
(11) EP 4 580 592 A1

(12)

(43) Date of publication:
09.07.2025 Bulletin 2025/28

(21) Application number: 23789834.1

(22) Date of filing: 31.08.2023
(51) International Patent Classification (IPC): 
A61K 8/41(2006.01)
A61Q 5/10(2006.01)
(52) Cooperative Patent Classification (CPC):
A61Q 5/10; A61K 8/411
(86) International application number:
PCT/US2023/073232
(87) International publication number:
WO 2024/050469 (07.03.2024 Gazette 2024/10)
(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:
KH MA MD TN

(30) Priority: 31.08.2022 US 202217823603
31.08.2022 US 202263402686 P
11.10.2022 FR 2210418
19.10.2022 FR 2210812

(71) Applicants:
  • L'OREAL
    75008 Paris (FR)

    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 
  • Hart, Taylor Katherine
    Clark, New Jersey 07066 (US)

    AL 

(72) Inventors:
  • SHI, Minli
    Clark, NJ 07066 (US)
  • DREHER, Kimberly
    Clark, NJ 07066 (US)
  • KLUCK, Brian Michael
    Clark, NJ 07066 (US)
  • WADHWANI, Mahima
    Clark, NJ 07066 (US)
  • ALKAHWAJI, Mohamed Amer
    Clark, NJ 07066 (US)
  • HOWES, Emma
    Clark, NJ 07066 (US)
  • HART, Taylor Katherine
    Clark, NJ 07066 (US)

(74) Representative: Lavoix 
Bayerstraße 83
80335 München
80335 München (DE)

   


(54) HAIR COLORING COMPOSITIONS