公开(公告)号：US20200268629A1

公开(公告)日：2020-08-27

申请号：US16063757

申请日：2016-12-20

Applicant: L'OREAL

Inventor： Frédéric GUERIN ,  Valérie NICOU ,  Maria NIETO

IPC: A61K8/41 ,  A61K8/31 ,  A61K8/898 ,  A61Q5/06

Abstract: The present invention relates to a composition for dyeing keratin fibres comprising, in a cosmetically acceptable medium of acidic pH, the pH of which is preferably less than 5, one or more direct dyes of triarylmethane structure, which are preferably cationic. The invention also relates to a process for dyeing keratin fibres using said composition and also to a use for dyeing keratin fibres.

公开(公告)号：US20240350387A1

公开(公告)日：2024-10-24

申请号：US18574814

申请日：2022-06-29

Applicant: L'Oreal

Inventor： Sarah BOULEMNAKHER ,  Maria NIETO ,  Julie BRUYERE ,  Hanène MOUEDDENE ,  Marie GIAFFERI ,  Laurence COTTARD-MEI

IPC: A61K8/41 ,  A61K8/34 ,  A61K8/49 ,  A61Q5/10

CPC classification number: A61K8/415 ,  A61K8/345 ,  A61K8/4973 ,  A61Q5/10 ,  A61K2800/882

Abstract: The invention relates to a composition comprising at least one oxidation dye, 1,3-propanediol, at least one alkaline agent and at least one fatty substance other than fatty acids.

公开(公告)号：US20220362132A1

公开(公告)日：2022-11-17

申请号：US17623349

申请日：2020-07-03

Applicant: L'OREAL

Inventor： Lyna ABDAT-VINDEL ,  Agathe LAHAYE ,  Maria NIETO ,  Lisa SALVEMINI

IPC: A61K8/896 ,  A61K8/92 ,  A61K8/73

Abstract: The present invention relates to a composition for dyeing human keratin fibers, comprising at least one natural dye, at least one triarylmethane synthetic direct dye and at least one compound of formula (I), in which Y represents a C1-C4 hydroxyalkyl group or a C1-C4 hydroxyalkyloxy radical, n denotes an integer ranging from 0 to 5, and X, which may be identical or different, represents a C1-C4 alkyl radical or a halogen. The invention also relates to a process for dyeing human keratin fibers using this composition.

公开(公告)号：US20220362137A1

公开(公告)日：2022-11-17

申请号：US17623348

申请日：2020-07-03

Applicant: L'OREAL

Inventor： Lyna ABDAT-VINDEL ,  Agathe LAHAYE ,  Maria NIETO ,  Lisa SALVEMINI

IPC: A61K8/9789 ,  A61K8/35 ,  A61Q5/06 ,  A61K8/34

Abstract: The present invention relates to an anhydrous composition for dyeing human keratin fibers, comprising at least one natural dye, at least one hydrazono and/or azo cationic synthetic direct dye and at least one compound of formula (I) in which Y represents a C1-C4 hydroxyalkyl group or a C1-C4 hydroxyalkyloxy radical, n denotes an integer ranging from 0 to 5, and X, which may be identical or different, represents a C1-C4 alkyl radical or a halogen. The invention also relates to a process for dyeing human keratin fibers using this composition.

公开(公告)号：US20200261337A1

公开(公告)日：2020-08-20

申请号：US16063805

申请日：2016-12-20

Applicant: L'OREAL

Inventor： Frédéric GUERIN ,  Valérie NICOU ,  Maria NIETO

IPC: A61K8/41 ,  A61K8/898 ,  A61Q5/06

Abstract: The present invention relates to a composition for dyeing keratin fibres comprising, in a cosmetically acceptable medium: —one or more direct dyes of triarylmethane structure, —one or more amino silicones and —one or more surfactants. The invention also relates to a process for dyeing keratin fibres using said composition and also to a use for dyeing keratin fibres.