Hair dyeing method using a dye composition and an oxidizing composition, said compositions comprising a scleroglucan gum

Abstract

The disclosure relates to a method for dyeing keratin fibers, in particular human keratin fibers such as hair, involving the application of a dye composition (A) on the fibers, said dye composition comprising one or more oxidation dyes, one or more scleroglucan gums in a total weight content greater than or equal to 0.5% relative to the total weight of the composition (A) and one or more alkaline agents, and the application of an oxidizing composition (B) comprising one or more chemical oxidizing agents and one or more scleroglucan gums preferably in a total weight content greater than or equal to 0.5% relative to the total weight of the composition (B); the oxidizing composition (B) being mixed with the dye composition (A) just before use (application on said fibers). The disclosure also relates to a multi-compartment device suitable for implementing the method.

Claims

1. A method for dyeing keratin fibers, comprising applying to the keratin fibers: a) a dye composition (A) comprising: at least one oxidation dye; at least one scleroglucan gum present in a total amount of greater than or equal to 0.5% by weight, relative to the total weight of the dye composition (A); and at least one alkaline agent; and b) an oxidizing composition (B) comprising: at least one chemical oxidizing agent; and at least one scleroglucan gum; wherein the oxidizing composition (B) is extemporaneously mixed with the dye composition (A) just before use.

2. The method of claim 1, wherein the at least one scleroglucan gum is present in an amount ranging from 0.5% to 10% by weight, relative to the total weight of the dye composition (A).

3. The method of claim 1, wherein the at least one scleroglucan gum is present in an amount ranging from 0.5% to 2% by weight, relative to the total weight of the dye composition (A).

4. The method of claim 1, wherein the at least one oxidation dye (A) is chosen from benzene-based oxidation bases, or salts thereof; wherein the at least one oxidation dye (A) is optionally combined with at least one coupler chosen from meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthalene-based couplers, heterocyclic couplers, salts thereof, or mixtures thereof.

5. The method of claim 1, wherein the at least one oxidation dye (A) is chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases, salts thereof, or mixtures thereof.

6. The method of claim 1, wherein the at least one alkaline agent is present in a total amount ranging from 1% to 20% by weight, relative to the total weight of the dye composition (A).

7. The method of claim 1, wherein the at least one alkaline agent is chosen from mineral alkaline agents, organic alkaline agents, or mixtures thereof.

8. The method of claim 1, wherein the at least one alkaline agent comprises at least one mineral alkaline agent and at least one organic alkaline agent.

9. The method of claim 7, wherein the mineral alkaline agents are chosen from aqueous ammonia, ammonia precursors, alkali metal silicates, alkaline-earth metal silicates, phosphates, carbonates, bicarbonates, sodium or potassium hydroxide, or mixtures thereof.

10. The method of claim 1, wherein the at least one alkaline agent is chosen from aqueous ammonia, alkali metal metasilicates, alkaline-earth metal metasilicates, alkanolamines, amino acids, or mixtures thereof.

11. The method of claim 1, wherein the dye composition (A) further comprises at least one surfactant chosen from cationic surfactants, nonionic surfactants, or mixtures thereof; wherein the at least one surfactant is present in a total amount ranging from 0.01% to 20% by weight, relative to the total weight of the dye composition (A).

12. The method of claim 11, wherein the at least one surfactant is nonionic chosen from: saturated or unsaturated, linear or branched, oxyethylenated fatty alcohols including at least one C.sub.8 to C.sub.40, and comprising from 1 to 100 mol of ethylene oxide; alkylpolyglycosides; or mixtures thereof.

13. The method of claim 1, wherein the dye composition (A) further comprises at least one associative polymer; wherein the at least one associative polymer is present in a total amount ranging from 0.01% and 10% by weight, relative to the total weight of the composition of the dye composition (A).

14. The method of claim 13, wherein the at least one associative polymer is nonionic.

15. The method of claim 13, wherein the at least one nonionic associative polymer is chosen from celluloses modified with groups including at least one fatty chain.

16. The method of claim 1, wherein the dye composition (A) further comprises at least one cationic polymer chosen from: (1) doalkyldialkylammonium homopolymers; and/or (2) cationic polymers that are constituted of repeating units corresponding to the formula (IV): ##STR00013## wherein in formula (IV), R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical or different, are chosen from an alkyl or a hydroxyalkyl radical containing from 1 to 4 carbon atoms, n and p are integers ranging from 2 to 20, and X— is an anion derived from a mineral or organic acid.

17. The method of claim 1, wherein the at least one scleroglucan gum is present in an amount ranging from 0.5% to 10% by weight, relative to the total weight of the oxidizing composition (B).

18. The method of claim 1, wherein the at least one chemical oxidizing agent is chosen from hydrogen peroxide and/or at least one system generating hydrogen peroxide.

19. A multi-compartment device comprising: a first compartment containing a dye composition (A); and a second compartment containing an oxidizing composition (B); wherein: the dye compositions (A) comprises: at least one oxidation dye; at least one scleroglucan gum present in a total amount of greater than or equal to 0.5% by weight, relative to the total weight of the dye composition (A); and at least one alkaline agent; and the oxidizing composition (B) comprises: at least one chemical oxidizing agent; and at least one scleroglucan gum.

20. The multi-compartment device of claim 19, wherein the device is in the form of an aerosol device.

Description

EXAMPLE 1

(1) Dye Composition

(2) The following dye compositions were prepared from the following ingredients in the following proportions indicated in grams of active material:

(3) TABLE-US-00001 Comparative Comparative Comparative Composition composition composition C2 composition C3 A1 (according C1 outside the outside the outside the to the invention invention invention invention) Ammonium 2.47 2.47 2.47 2.47 hydroxide Ethanolamine 4 4 4 4 EDTA 0.2 0.2 0.2 0.2 Sodium sulfite 0.5 0.5 0.5 0.5 Oxidation dyes 1.401 1.401 1.401 1.401 Fragance qs qs qs qs Hexadimethrine 0.3 0.3 0.3 0.3 chloride Polyquaternium-6 0.4 0.4 0.4 0.4 Cetylhydroxyethyl 0.2 0.2 0.2 0.2 cellulose Xanthan gum 1 — — — Algin — — 1 — Sclerotium gum — — — 1 Hydroxypropyl- — 1 — — cellulose Water qs 100 qs 100 qs 100 qs 100 Glycerol 10 10 10 10 Cetrimonium 0.25 0.25 0.25 0.25 chloride Caprylyl/capryl 0.6 0.6 0.6 0.6 glucoside Ascorbic acid 0.4 0.4 0.4 0.4
Visual Evaluation of the Stability of the Compositions
The stability of the dye compositions was evaluated by observing the compositions at T0 (immediately after preparation of the composition) and then after 2 months of storage at 45° C.

(4) TABLE-US-00002 Composition C1 Composition C2 Composition C3 Composition A1 Observation Liquid texture Liquid texture Liquid texture Translucent gel at T0 at room Non- Non- Non- Homogeneous temperature homogeneous homogeneous homogeneous (no phase (25° C.) (phase (phase (phase separation) separation) separation) separation) Observation Liquid texture Liquid texture Liquid texture Translucent gel after 2 months Non- Non- Non- Homogeneous at 45° C. homogeneous homogeneous homogeneous (no phase (phase (phase (phase separation) separation) separation) separation)

(5) It is observed that composition A1 according to the invention is homogeneous and forms a translucent gel at T0. After 2 months at 45°, composition A1 according to the invention is stable; it is homogeneous and translucent. Comparative compositions C1, C2 and C3 in which the scleroglucan gum was replaced weight-for-weight with another thickener of polysaccharide type are unstable. Specifically, they are not homogeneous; phase separation of these compositions is observed as early as T0.

EXAMPLE 2

Oxidizing Compositions

(6) Preparation of the Compositions

(7) Compositions C and B are prepared with the ingredients and the contents as indicated below.

(8) Composition C is comparative and comprises xanthan gum. Composition B is according to the invention and comprises scleroglucan gum.

(9) The contents are indicated as grams of starting material, unless otherwise mentioned.

(10) TABLE-US-00003 Composition C Composition B1 Ingredients (comparative) (invention) Xanthan gum 1.5  — Scleroglucan gum — 1.5  Tetrasodium etidronate 0.06  0.06  Tetrasodium 0.04  0.04  pyrophosphate Sodium salicylate 0.035 0.035 Hydrogen peroxide 4.5  4.5  Phosphoric acid qs pH 2.2 ± 0.2 qs pH 2.2 ± 0.2 Water qsp 100 qsp 100

(11) The T0 for the characterizations of the compositions corresponds to the state of the system 24 hours after adjusting the pH.

(12) Characterizations of the Compositions

(13) The viscosity of compositions B1 and C was measured during storage at atmospheric pressure, at 25° C. and at 45° C., at T0 (after adjusting the pH), at one day (T1), one week (T2) and two weeks (T3).

(14) It is observed that composition B1 according to the invention has a low variation in viscosity over time, unlike the comparative composition C, the viscosity of which varies (decreases) more substantially over time; composition C is increasingly fluid, both at room temperature and at 45° C.

(15) Composition B1 according to the invention thus has greater stability than comparative composition C which comprises xanthan gum. Composition B1 forms a homogeneous, translucent gel (no phase separation) after two months at room temperature and at 45° C.

EXAMPLE 3

(16) Preparation of the Oxidizing Compositions

(17) Composition B2 was prepared with the ingredients and the contents as indicated in the table below.

(18) The contents are indicated as grams of starting material, unless otherwise mentioned.

(19) TABLE-US-00004 Composition B2 according Ingredients to the invention Scleroglucan gum 1.5 Hydrogen peroxide 12 Tetrasodium etidronate 0.06 Phosphoric acid qs pH 2.0 ± 0.2 Deionized water qs 100

(20) Composition B2 forms a homogeneous, translucent gel. It remains stable after 2 months at 25° C. and after 2 months at 45° C. No formation of bubbles is observed.

(21) Furthermore, the viscosity of composition B2 was measured during storage at 45° C., at T0 (after adjusting the pH), at one day (T1), one week (T2) and two weeks (T3).

(22) It is observed that composition B2 according to the invention shows a low variation in viscosity over time.

EXAMPLE 4

(23) The following dye composition was prepared from the following ingredients in the proportions indicated in grams:

(24) TABLE-US-00005 Composition A2 according to the invention Fiche formule Ethanolamine 3.23 EDTA 0.2 Sodium sulfite 0.5 Toluene −2,5-diamine 1.03 2,4-Diaminophenoxy 0.021 ethanol HCl 2-Methylresorcinol 0.27 N,N-Bis(2-hydroxyethyl)-p- 0.13 phenylenediamine sulfate Resorcinol 0.28 m-Aminophenol 0.45 Fragrance qs Cetylhydroxyethylcellulose 0.2 Sclerotium gum 1 Water qs 100 Glycerol 10 Cocoyl betaine 0.15 Caprylyl/capryl glucoside 0.6 Ascorbic acid 0.4
Visual Evaluation of the Stability of the Compositions
The stability of the dye compositions was evaluated by observing the compositions at T0 (immediately after preparation of the composition) and then after 2 months of storage at room temperature (25° C.), and after 2 months of storage at 45° C.

(25) TABLE-US-00006 Composition A2 according to the invention Observation at T0 Homogeneous (immediately after (no phase separation) preparation) Texture: Smooth gel Observation Homogeneous after 2 months (no phase separation) at 25° C. Texture: Smooth gel Observation Homogeneous after 2 months (no phase separation) at 45° C. Texture: Smooth gel

(26) It is observed that composition A2 of the process according to the invention is homogeneous and forms a translucent gel at T0, and after 2 months at room temperature or at 45° C.

(27) The oxidizing composition B3 below was prepared from the following ingredients in the following proportions indicated in grams.

(28) TABLE-US-00007 Fiche formule Oxidizing composition B3 according to the invention Hydrogen peroxide 6 Phosphoric acid qs pH = 2.2 ± 0.2 Tetrasodium etidronate 0.2 Tetrasodium pyrophosphate 0.04 Sodium salicylate 0.035 Sclerotium gum 1.8 Water qs 100

(29) It is observed that composition B3 of the process according to the invention is homogeneous and forms a translucent gel at T0, and after 2 months at room temperature or at 45° C.

(30) Composition A2 was mixed, respectively, with 1 times its weight of oxidizing composition B3.

(31) Easy mixing of the compositions and the production of a homogeneous, translucent mixture are observed. The mixtures thus obtained were applied to locks of natural hair containing 90% white hairs.

(32) The “mixture/lock” bath ratio is, respectively, 10/1 (g/g).

(33) The mixture distributes easily and uniformly over the hair.

(34) The working qualities are good: good wetting/glidant nature, good ease of application, good adhesion to the roots, good consistency on the head, good ease of extending the length of the fiber locks.

(35) The leave-on time is 30 minutes, on a hotplate set at 27° C. On conclusion of the leave-on time, the locks are rinsed and then dried under a drying hood at 40° C.

(36) The hair is then rinsed easily, and then washed with a standard shampoo and dried.

(37) The color of the locks was evaluated in the CIE L*a*b* system, using a Datacolor Spectraflash SF600X spectrocolorimeter.

(38) TABLE-US-00008 L* Mixture of compositions A2 and B3 21.48

(39) Intense coloring of the keratin fibers is obtained.