(19)
(11) EP 4 798 308 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24794142.0

(22) Date of filing: 23.10.2024
(51) International Patent Classification (IPC): 
A61Q 5/10(2006.01)
A61K 8/362(2006.01)
A61K 8/365(2006.01)
 A61K 8/44(2006.01)
A61Q 5/08(2006.01)
A61Q 5/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 8/44; A61Q 5/08; A61Q 5/10; A61K 8/365; A61Q 5/004
(86) International application number:
PCT/EP2024/079963
(87) International publication number:
WO 2025/087974 (01.05.2025 Gazette 2025/18)
(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: 24.10.2023 FR 2311531

(71) Applicant: L'OREAL
75008 Paris (FR)

(72) Inventors:
  • FELTIN, Charlotte
    93400 SAINT-OUEN (FR)
  • CHABRILLANGEAS, Mathieu
    94152 CHEVILLY LARUE (FR)
  • CHAUMONTET, Manon
    93400 SAINT-OUEN (FR)

(74) Representative: L'Oreal 
Service D.I.P.I. 9, rue Pierre Dreyfus
92110 Clichy
92110 Clichy (FR)

   


(54) HAIR TREATMENT PROCESSES COMPRISING THE APPLICATION, AFTER BLEACHING, OF COMPOSITIONS COMPRISING AMINO ACIDS AND HYDROXYLATED (POLY)CARBOXYLIC ACIDS