Back to results
US 6,863,883 B1Granted
Permanent wave agent composition having dyeing effect and method for dyeing hair using the same
AssigneeHenkel Lion Cosmetics Co. Ltd.
InventorsYoshio Tsujino, Takako Kamishita
Life of this patent
Estimating the term…
Abstract
A second agent composition for permanent wave treatment having a dyeing effect and a method for dyeing the hair which has been permanently waved. More particularly, a second agent composition for permanent wave treatment comprising a cationic dye having a quaternary nitrogen atom, which is optionally delocalizable, and a —X═N— bond wherein X represents a nitrogen atom or a —CH— bond, and a method for dyeing the hair which has been subjected to a permanent wave treatment using the cationic dye.
Claims10
A two-package kit for permanently waving hair comprising:
- (a) a cationic dye solution comprising at least one cationic dye, wherein the cationic dye is present in an amount effective to color hair and has a quaternary nitrogen atom that is optionally delocalizable and an —X═N— bond, wherein X is a nitrogen atom or an —CH— group;
- (b) an oxidative fixing solution comprising at least one oxidative fixing agent for permanently waving the hair;
- and
- (c) a reducing composition comprising at least one reducing agent in a sufficient amount for waving hair.
1 more element
A method of permanently waving hair comprising
- (a) applying a reducing solution to hair wherein the reducing solution comprises at least one reducing agent in a sufficient amount for waving hair;
- (b) applying at least one oxidative fixing solution to the hair wherein the oxidative fixing solution comprises at least one oxidative fixing agent for permanently waving the hair;
- and
- (c) applying to the hair at least one cationic dye in an amount effective to color the hair and having a quaternary nitrogen atom that is optionally delocalizable and an —X═N— bond, wherein X is a nitrogen atom or a —CH— group, and wherein the catatonic dye is applied to the hair as a component of the oxidative fixing solution.
1 more element
Dependencies are inferred from the claim text.