Hair treatment method and kit thereof

Patent metadata

Field	Value
Publication number	US-2019201719-A1
Application number	US-201716095817-A
Country	US
Kind code	A1
Filing date	Apr 25, 2017
Priority date	Apr 25, 2016
Publication date	Jul 4, 2019
Grant date	—

Abstract

Method for treating hair comprising the successive application onto hair of polymeric layers which can be removed to a large extent or even totally in an easy manner upon request of the user by using a composition having a pH of at least 8.5.

First claim

1 . A method for treating hair comprising:
A) carrying out the following sequence of steps:
i) applying a first composition comprising one or more first cationic polymer(s) to a first portion of the hair; and
ii) applying a second composition comprising one or more first anionic polymer(s) to a second portion of the hair; and
B) applying a third composition having a pH of at least 8.5 to a third portion of hair, wherein the first, second and third portions have at least one first common area and wherein the first cationic polymer(s) are weak cationic polymers.

2 . The method according to claim 1 , wherein the third composition has a pH ranging from 8.5 to 14.

3 . The method according to claim 1 , wherein the first cationic polymer(s) comprise one or more amino functional group(s) per polymer chain, wherein the amino functional group(s) are selected from the group consisting of primary, secondary, tertiary amino functional groups and mixtures thereof.

4 . The method according to claim 1 , wherein the first cationic polymer(s) are selected from the group consisting of polyethyleneimine, polyallylamine hydrochloride, polyvinylamine,l copolymers thereof and mixtures thereof.

5 . The method according to claim 1 , wherein the first anionic polymer(s) are selected from the group consisting of polystyrene sulfonate salts, n, λ-carrageenan salts, dextran sulfate salts, polyacrylic acid salts, poly(methacrylic acid) salts, alginic acid salts, carboxymethylcellulose salts, polystyrene sulfonate/polystyrene copolymer salts, polystyrene sulfonate/maleic acid copolymers salt, copolymers thereof and mixtures thereof.

6 . The method according to claim 1 , wherein:
the first composition comprises a total concentration of cationic polymers ranging from 0.1 g/L, to 100 g/L and/or the second composition comprises a total concentration of anionic polymers ranging from 0.1 g/L, to 100 g/L.

7 . The method according to claim 1 , wherein the method comprises between steps A) and B):
applying a fourth composition comprising one or more second cationic polymer(s) and/or one or more pigment(s) the second cationic polymer(s) are cationic coloured polymers.

8 .The method according to claim 1 , wherein the method comprises between steps A) and B):
a) carrying out the following sequence of steps:
a 1 ) applying a fourth composition comprising one or more second cationic polymer(s) to a fourth portion of the hair; and
a 2 ) applying a fifth composition comprising one or more second anionic polymer(s) to a fifth portion of the hair;
the fourth and the fifth portions of the hair having at least one second common area; and optionally
b) repeating step a) at least once, wherein the second common area of each of the repeated steps a) has at least one third common area with:
the second common area of step a); and
the second common area of each of the other repeated steps a) in case step a) is repeated more than once;
wherein in step a) and/or in at least one of the repeated steps a), the second cationic polymer(s) are cationic coloured polymers and/or the second anionic polymer(s) are anionic coloured polymers and wherein:
the first and the second common areas have at least one common area and/or
the first and the third common areas have at least one common area.

9 . The method according to claim 7 , wherein the second cationic polymer(s comprises one or more monomer unit(s) comprising one or more amino functional group(s).

10 . The method according to claim 7 , wherein the second cationic polymer(s) are selected from the group consisting of linear or branched polyethyleneirnine, polyallylamine hydrochloride, polydiallyldimethylammonium chloride, copolymers thereof and mixtures thereof.

11 . The method according to claim 8 , wherein the second anionic polymers) comprise one or more monomer unit(s) comprising one or more functional group(s) selected from the group consisting of sulfate, sulfonate, carboxylate, phosphate, phosphonate groups and mixtures thereof.

12 . The method according to claim 8 , wherein the second anionic polymer(s) are selected from the group consisting of polystyrene sulfonate salts, λ-carrageenan salts, dextran sulfate salts, polyacrylic acid salts, poly(methacrylic acid) salts, alginic acid salts, carboxymethylcellulose salts, polystyrene sulfonate/polystyrene copolymer salts, copolymers thereof and mixtures thereof

13 . A kit for treating hair comprising:
a first component comprising the first composition as defined in claim 1 ; a second component comprising the second composition as defined in claim 1 ; and a third component comprising the third composition as defined in claim 1 .

14 . A method for treating hair, comprising:
B1) applying a composition having a pH of at least 8.5, partially or completely, to a polymeric layer formed on the hair, the polymeric layer comprising:
one or more first cationic polymer(s) on a first portion of the hair ; the first cationic polymer(s) being weak cationic polymer(s); and
one or more first anionic polymer(s) on a second portion of the hair;
wherein the first and second portions have at least one first common area.

15 . (canceled)

Assignees

• Noxell Corp

Inventors

• Dähne Lars Siegfried
• Herrlein Mathias Kurt
• Schafer Tatjana
• Schofield Stephen Robert
• Üzüm Cagri

Classifications

• A61K2800/884

  Sequential application · CPC title

• A61K8/84

  obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds · CPC title

• A61K8/8117 Primary

  Homopolymers or copolymers of aromatic olefines, e.g. polystyrene; Compositions of derivatives of such polymers · CPC title

• A61K2800/5426

  cationic · CPC title

• A61K2800/5424

  anionic · CPC title