KERATIN FIBRE BLEACHING COMPOSITION

Abstract

The invention relates to hair bleaching compositions comprising persulfate ions, alkalizing agents, high-molecular-weight polyethylene glycol (PEG), rheological agents and silicates.

Claims

1. A hair bleaching composition comprising: a) persulphate; b) an alkalizing agent; c) a high molecular weight polyethylene glycol (PEG) with an average degree of ethoxylation greater than or equal to 2000, and an average molecular weight greater than or equal to 100000 Da; d) a rheological agent; e) a silicate mineral.

2. A composition according to claim 1, further comprising oxidation dyes and/or direct dyes.

3. A composition according to claim 1 wherein the polyethylene glycol has an average degree of ethoxylation of 90000 and an average molecular weight of 4000000 Da.

4. A composition according to claim 1 wherein the concentration by weight of polyethylene glycol compared with the total composition weight ranges from 0.01% to 20%.

5. A composition according to claim 1 wherein the persulphate is selected from sodium, potassium or ammonium persulphate or a mixture thereof.

6. A composition according to claim 1 wherein the concentration by weight of persulphate compared with the total composition weight ranges from 10% to 80%.

7. A composition according to claim 1 wherein the alkalizing agent is selected from dibasic or tribasic ammonium phosphate, water-soluble silicates of alkali metals or alkaline-earth metals, sodium disilicate, sodium metasilicate, dibasic or tribasic phosphates or carbonates of alkali metals or alkaline-earth metals and a mixture thereof.

8. A composition according to claim 1 wherein the rheological agent is selected from alginates, carrageenans, agar agar; guar gum and derivatives, xanthan gum, gum arabic, konjac gum, gum tragacanth, agar gum or mixtures thereof; amides; dextrins; cellulose and cellulose derivatives; pectins; chitosan and derivatives; anionic polysaccharides; soy-bean polysaccharide derivatives, crosslinked or non-crosslinked polyvinylpyrrolidone derivatives; acrylic acid polymers or salts thereof; and crosslinked or non-crosslinked polyacrylamides.

9. A composition according to claim 1 wherein the silicate mineral is selected from kaolin, bentonite and talc.

10. A composition according to claim 1 further comprising one or more pH correctors, hydrophobic or hydrophilic silica, clay, ceramic beads, calcium carbonate, titanium oxide, magnesium oxides, aluminium silicates and derivatives, nylon, vinylidene chloride/acrylonitrile/methacrylonitrile copolymer microbeads, micronised or non-micronised vegetable powder, pigments.

11. A composition according to claim 1 which, at the time of use, is mixed with an activator selected from water, hydrogen peroxide, carbamide peroxide, perborates, persulphates and peracids, in amounts ranging from 0.1 to 50% by weight.

12. A composition according to claim 11 wherein the activator is a solution of hydrogen peroxide optionally containing 0.01 to 10% by weight of one or more polymers selected from: Acrylates Copolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates/Vinyl Neodecanoate Crosspolymer, Acrylates/Methacrylamide Copolymer, Polyacrylamide, Sodium Polyacrylate, Sodium Acrylate/Acryloyldimethyltaurate/Dimethylacrylamide Crosspolymer, sodium acrylates crosspolymer-2, Methoxy PEG-17/Methoxy PEG-11/HDI Isocyanurate Trimer Crosspolymer, Polyurethane-39, PEG-150/Stearyl Alcohol/SMDI Copolymer, Polyquaternium-37, Polyacrylate Crosspolymer-11, Sodium Acryloyldimethyltaurate/VP Crosspolymer, Ammonium Acryloyldimethyltaurate/VP Copolymer, Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer, Polyacrylate crosspolymer-6, Hydroxyethyl Acrylate/Sodium Acryoyldimethyltaurate/Steareth-20 Methacrylate Copolymer, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, and Acrylates/Beheneth-25 Methacrylate Copolymer.

Description

EXAMPLES

[0053] The ingredients listed in the examples are named according to the INCI nomenclature, as defined above. Table 2 describes the compositions of the hydrogen peroxide-based activators used for the examples, indicated with the various strengths (A: 40 volumes, B: 30 volumes, C: 20 volumes, D: 10 volumes).

TABLE-US-00002 TABLE 2 Activators A B C D INGREDIENTS % % % % AQUA (WATER) q.s. to 100 q.s. to 100 q.s. to 100 q.s. to 100 HYDROGEN 12 9 6 3 PEROXIDE CETEARYL ALCOHOL 3 3 3 3 CETEARETH-20 0.6 0.6 0.6 0.6 PHOSPHORIC ACID 0.1 0.1 0.1 0.1 SODIUM STANNATE 0.2 0.2 0.2 0.2 SODIUM LAURETH 0.1 0.1 0.1 0.1 SULFATE PROPYLENE GLYCOL 0.1 0.1 0.1 0.1 DISODIUM 0 0 0 0 PYROPHOSPHATE DIMETHICONE 0.1 0.1 0.1 0.1 PEG-40 CASTOR OIL 0.1 0.1 0.1 0.1 PENTASODIUM 0.1 0.1 0.1 0.1 PENTETATE ETIDRONIC ACID 0.1 0.1 0.1 0.1 C12-13 ALKYL 1 1 1 1 LACTATE

[0054] Composition E in Table 3 is the bleaching composition according to the invention, while composition F is conventional.

TABLE-US-00003 TABLE 3 Bleaching composition COMPOSITION: E* F INGREDIENT NAME (INCI) w/w % w/w % SODIUM SILICATE 20 20 AMMONIUM PERSULFATE 25 25 KAOLIN 20 6 POTASSIUM PERSULFATE 10 10 PARAFFINUM LIQUIDUM (MINERAL OIL) 3 3 SODIUM STEARATE 3 3 MAGNESIUM CARBONATE 13 30 XANTHAN GUM — 1 CYAMOPSIS TETRAGONOLOBA GUM 2.5 — (CYAMOPSIS TETRAGONOLOBA (GUAR) GUM) DISODIUM EDTA 1 1 GUAR HYDROXYPROPYLTRIMONIUM 1 — CHLORIDE SILICA 1 1 PEG-90M 0.5 —

[0055] Compositions E and F were applied without foils by an experienced hairdresser to 3 models, and the following parameters were evaluated:

[0056] FREE-HAND APPLICABILITY: drips or does not drip.

[0057] EASE OF FREE-HAND APPLICATION: excellent, good, fairly good, fair or poor.

[0058] TENDENCY TO STAIN HAIR CLOSE TO APPLICATION: does not stain, stains, stains badly.

[0059] EVENNESS OF COLOUR AFTER RINSING: high, normal, very poor.

[0060] A 50 g dilution of composition E or F with 75 g of activator A was used for model 1, and a 50 g dilution of composition E or F with 100 g of activator B for model 2. A 50 g dilution of composition E with 100 g of activator C and a 40 g dilution of composition F with 10 g of activator C were used for model 3.

TABLE-US-00004 TABLE 4 Result of application of compositions E and F to the 3 models Model 1 Model 2 Model 3 E F E F E F FREE-HAND No Dripping No Dripping No No APPLICABILITY dripping dripping dripping dripping EASE OF FREE- Excellent Very Good Very Good Poor HAND good good APPLICATION TENDENCY TO No Staining No Badly No No STAIN HAIR staining staining staining staining staining CLOSE TO APPLICATION EVENNESS OF High Normal High Normal High Very COLOUR AFTER Poor RINSING

[0061] Conclusion: the composition according to the invention has the better performance in a free-hand application method

TABLE-US-00005 TABLE 5 Other Compositions according to the invention COMPOSITION: G H I L M N O P Q R INGREDIENT NAME (INCI) w/w % w/w % w/w % w/w % w/w % w/w % w/w % w/w % w/w % w/w % SODIUM SILICATE 10 30 25 20 20 20 20 20 20 10 SODIUM METASILICATE 5 3 — — — — 5 — — — AMMONIUM PERSULFATE 20 — 25 25 25 25 25 25 25 20 KAOLIN 10 10 9 15 20 15 7 8 10 40 POTASSIUM PERSULFATE 10 10 10 10 10 10 10 10 10 10 PARAFFINUM LIQUIDUM (MINERAL OIL) 4 4 2 1 4 3 2 4 4 4 SODIUM STEARATE 1 2 3 4 2 6 1 3 3 3 CYAMOPSIS TETRAGONOLOBA GUM 2.5 3 2 3 3 2.5 3 3 1 1 (CYAMOPSIS TETRAGONOLOBA (GUAR) GUM) DISODIUM EDTA 1 1 1 1 1 1 1 1 1 1 GUAR HYDROXYPROPYLTRIMONIUM 1 1 1.5 1 1.5 1 2 1.5 1 1 CHLORIDE SILICA 1 2 0.5 1 3 1.5 1.5 1 0.5 0.5 PEG-90M 0.5 1 0.3 2 3 0.7 0.8 1 0.6 0.6 PARFUM 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 ACID RED 92 — — 0.5 — — — — — — — MAGNESIUM CARBONATE 29.2 30 19.4 14 6 10 15 15 20 5 DIMETHICONE 0.3 — — — — — — — — — XANTHAN GUM — — — 0.5 — — — — — — HYDROXYETHYLCELLULOSE — — — — 0.3 — — — — — MAGNESIUM OXIDE — — 0.3 — — — — — — — TETRABROMOPHENOL BLUE — — — — — — 1 — — — TITANIUM DIOXIDE 3 — — — — 0.2 — — — — BASIC YELLOW 87 — — — — — 0.8 — — — — CI 42520 — — — 0.5 — — — — — — CI 77007 — — — 0.5 — — — — — — ACID ORANGE 7 — — — — 0.5 — — — — — HC BLUE 15 — — — — — 0.4 — — — — ACID YELLOW 1 — — — 0.3 — — — — — — BASIC RED 51 — — — — — 1 — — — — AMMONIUM CHLORIDE 2.5 0.7 0.2 1.4 5.2 4 2.4 2.4 SODIUM LAURYL SULFATE 1 1 1 1 HC BLUE 16 — — — — — — — 2

TABLE-US-00006 TABLE 6 Other Activators according to the invention S T U V Z AA AB AC AD AE AF AG AH AI AL AM AN AO AP INGREDIENTS % % % % % % % % % % % % % % % % % % % AQUA (WATER) q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to q.s. to 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 HYDROGEN PEROXIDE 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 1 to 12 CETEARYL ALCOHOL 0.5 2 — 1 — 5 — — — — — — — 3 3 3 3 3 3 CETEARETH-20 0.6 0.6 — 0.6 — 0.6 — — — — — — — 0.6 0.6 0.6 0.6 0.6 0.6 PHOSPHORIC ACID 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 SODIUM STANNATE 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 SODIUM LAURETH 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 SULFATE PROPYLENE GLYCOL 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 DISODIUM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PYROPHOSPHATE DIMETHICONE 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 PEG-40 CASTOR OIL 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 PENTASODIUM 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 PENTETATE EDTA 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 ETIDRONIC ACID 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 C12-13 ALKYL LACTATE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ACRYLATES COPOLYMER 0.5 — — — — — — — — — — — — — — — — — — ACRYLATES/STEARETH-20 — 0.5 — — — — — — — — — — 0.1 — — — — — — METHACRYLATE COPOLYMER ACRYLATES/VINYL — — 0.5 — — — — — — — — — — — — — — — — NEODECANOATE CROSSPOLYMER ACRYLATES/ — — — 0.5 — — — — — — — — — — — — — — — METHACRYLAMIDE COPOLYMER POLYACRYLAMIDE — — — — 0.5 — — — — — — — — — — — — — — SODIUM POLYACRYLATE — — — — — 0.5 — — — — — — — — — — — — — SODIUM ACRYLATE/ — — — — — — 0.5 — — — — — — — — — — — — ACRYLOYLDIMETHYL- TAURATE/ DIMETHYLACRYLAMIDE CROSSPOLYMER SODIUM ACRYLATES — — — — — — — 0.5 — — — — — — — — — — — CROSSPOLYMER-2 METHOXY PEG-17/ — — — — — — — — 0.5 — — — — — — — — — — METHOXY PEG-11/HDI ISOCYANURATE TRIMER CROSSPOLYMER POLYURETHANE-39 — — — — — — — — — 0.5 — — — — — — — — — PEG-150/STEARYL — — — — — — — — — — 0.5 — — — — — — — — ALCOHOL/ SMDI COPOLYMER POLYQUATERNIUM-37 — — — — — — — — — — — 0.5 — — — — — — — POLYACRYLATE — — — — — — — — — — — — 0.5 — — — — — — CROSSPOLYMER-11 SODIUM OR AMMONIUM — — — — — — — — — — — — — — 1 — — — — ACRYLOYLDIMETHYL- TAURATE/VP CROSSPOLYMER AMMONIUM — — — — — — — — — — — — — — — 0.5 — — — ACRYLOYLDIMETHYL- TAURATE/BEHENETH- 25 METHACRYLATE CROSSPOLYMER POLYACRYLATE — — — — — — — — — — — — — — — — 0.5 — — CROSSPOLYMER-6 HYDROXYETHYL — — — — — — — — — — — — — — — — — 0.6 — ACRYLATE/SODIUM ACRYOYLDIMETHYL- TAURATE/ STEARETH-20 METHACRYLATE COPOLYMER SODIUM ACRYLATE/ — — — — — — — — — — — — — — — — — — 0.3 SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER ACRYLATES/BEHENETH-25 — — — — — — — — — — — — — 1 — — — — — METHACRYLATE COPOLYMER

[0062] The compositions according to the invention illustrated in Table 5 can be mixed in dilution ratios ranging from 1:0.1 to 1:10 with the activators listed in Tables 2 and 6, or with water. Some compositions bleach and color the hair simultaneously.