公开(公告)号：US09474700B2

公开(公告)日：2016-10-25

申请号：US14441532

申请日：2013-11-08

Applicant: L'OREAL

Inventor： Lisa Salvemini ,  Michael Degeorge

IPC: A61Q5/10 ,  A61K8/22 ,  A61Q5/00

CPC classification number: A61K8/22 ,  A61K2800/43 ,  A61Q5/00 ,  A61Q5/10

Abstract: Disclosed are methods and compositions for altering the color of hair, comprising treating the hair with a pre-alkalizing composition, treating the hair with a color-altering composition comprising at least one oxidative dye or oxidative dye precursor compound, and wherein the color-altering composition has a pH ranging from about 1-7, then treating the hair with a developer composition.

Abstract translation: 公开了用于改变头发颜色的方法和组合物，包括用预碱化组合物处理毛发，用包含至少一种氧化染料或氧化染料前体化合物的变色组合物处理毛发，并且其中改变颜色 组合物的pH范围为约1-7，然后用显影剂组合物处理毛发。

公开(公告)号：US12053544B2

公开(公告)日：2024-08-06

申请号：US17623349

申请日：2020-07-03

Applicant: L'OREAL

Inventor： Lyna Abdat-Vindel ,  Agathe Lahaye ,  Maria Nieto ,  Lisa Salvemini

IPC: A61Q5/10 ,  A61K8/73 ,  A61K8/896 ,  A61K8/92

CPC classification number: A61K8/896 ,  A61K8/73 ,  A61K8/92 ,  A61K2800/432

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.