Shampoo preparations

Abstract

The invention relates to shampoo preparations comprising water, an acrylic emulsion polymer and at least one surfactant. The preparations provide improved styling performance and improved hair feel.

Claims

1. A shampoo preparation comprising: water, at least one anionic surfactant selected from the group consisting of sodium lauryl sulfate, ammonium lauryl sulfate, sodium lauryl ether sulfate and ammonium lauryl ether sulfate; an amphoteric and/or zwitterionic co-surfactant selected from the group consisting of cocamidopropyl betaine, cocoamphoacetate and cocoamphodiacetate, and an effective amount of an acrylic emulsion polymer which is an emulsion polymerization product of a monomer mixture consisting of 10-30 wt.-% of methacrylic acid, 5-15 wt.-% ethyl acrylate and 60-80 wt.-% of n-butyl methacrylate, wherein the anionic surfactant and the amphoteric and/or zwitterionic co-surfactant are present in an amount to provide a ratio of the anionic surfactant to the amphoteric and/or zwitterionic co-surfactant of 5:1 to 1:1.

2. The shampoo preparation according to claim 1, wherein the acrylic emulsion polymer is present in an effective amount of 0.01-20 wt.-%, based on the total weight of the shampoo preparation.

3. The shampoo preparation according to claim 1, wherein the anionic surfactant is present in an amount of 0.1 to 25 wt.-%, based on the total weight of the shampoo preparation.

4. The shampoo preparation according to claim 1, wherein the water is present in an amount of 50 to 80 wt.-%, based on the total weight of the shampoo preparation.

5. The shampoo preparation according to claim 1, wherein the acrylic emulsion polymer is an aqueous dispersion having a polymer solid content in a range of 30 to 60 wt.-%.

6. The shampoo preparation according to claim 1, wherein the acrylic emulsion polymer is neutralized to a degree of at least 50%.

7. A method of treating hair comprising applying an effective amount of the shampoo preparation according to claim 1 to hair in need of treatment.

8. A method according to claim 7, which method comprises shampooing the hair with about 1 to 20 g of the shampoo preparation and then rinsing the hair with water.

9. The method according to claim 8, further comprising the step of drying the hair and appreciating the styling effect and the hair feel.

Description

EXAMPLE 1

Foaming

(1) The shampoo preparations outlined in table 1 have been prepared by dissolving AMP-Ultra™ PC 2000 (when present) in water. Afterwards TILAMAR® Fix A140 was added and the resulting mixture was stirred until complete dissolution. Afterwards the residual ingredients were added consecutively under dissolution. The foaming performance was assessed on mannequin heads. Thus, the hair was wetted and the hair was shampooed with 5 g of the respective shampoo and the foaming was assessed visually. The results are illustrated in table 1.

(2) TABLE-US-00001 TABLE 1 1 2 3 Tradename INCI Wt.-% Water Aqua Ad 100 TILAMAR ® Fix A140 Acrylates copolymer 12.5 12.5 12.5 (40% solution) AMP-Ultra ™ PC 2000 Aminomethyl Propanol — 0.62 1.24 (95% solution) Texapon ® NSO-BZ Sodium laureth sulfate 27 27 27 (28% solution) Miranol ® Ultra C32 Sodium 8 8 8 (40% solution) Cocoamphoacetate Purox S Sodium benzoate 0.5 0.5 0.5 Sodium chloride Sodium chloride 2 2 2 Pö Color Express Perfume 0.5 0.5 0.5 351580 Citric Acid Citric acid 0.5 0.5 0.5 Neutralisation Level 0% 50% 100% Foaming little good good As can be retrieved from table 1, good foaming was achieved at a neutralization level of 50% or more.

EXAMPLE 2

Sensory Test

(3) The shampoo preparations according to table 2 have been prepared by dissolving AMP-Ultra™ PC 2000 in water. Afterwards TILAMAR® Fix A140 has been added and the resulting mixture has been stirred until complete dissolution (100% neutralization level). Afterwards the residual ingredients have been added consecutively under dissolution.

(4) Then the shampoos were tested on hair tresses (12 cm, European hair, 10 cm free hair). The hair tresses were wetted with water; afterwards the tresses were treated with 0.5 ml of the respective shampoo and shampooed for 30 sec. Then the hair tresses were rinsed with tab water (T=38° C., ca. 5 l/min) for 1 min and afterwards combed 5 times. After the hair tresses have been dried at 40° C. for 1 h in a drying oven the hair tresses were evaluated for their styling attributed (hold and body) and feel. The results of the sensory evaluation are summarized in table 3.

(5) TABLE-US-00002 TABLE 2 1 2 3 4 Ref. Tradename INCI Wt.-% Water Aqua Ad 100 TILAMAR ® Fix A140 Acrylates 12.5 10 8 6 — (40% solution) copolymer PVP K-30 Polyvinyl- — — — — 10 (30% solution) pyrrolidon AMP-Ultra ™ PC 2000 Amino- 1.25 1 0.8 0.6 0.6 (95% solution) methyl Propanol Texapon ® NSO-BZ Sodium 13.5 13.5 13.5 13.5 13.5 (28% solution) laureth sulfate Miranol ® Ultra C32 Sodium 4 4 4 4 4 (40% solution) Coco- ampho- acetate Purox ® S Sodium 0.5 0.5 0.5 0.5 0.5 benzoate Sodium chloride Sodium 2 2 2 2 2 chloride Pö Color Express Perfume 0.5 0.5 0.5 0.5 0.5 351580 Citric Acid Citric 0.5 0.5 0.5 0.5 0.5 acid Antil ® 171 PEG-18 2 2 2 2 2 Glyceryl Oleate/Co- coate

(6) TABLE-US-00003 TABLE 3 Sensory evaluation Nr. Foam Wet feel Dry feel Styling performance 1 Good Soft Soft Good 2 Good Soft Soft Good 3 Good Soft Soft Good 4 Good Soft Soft Good Ref. Good Dull, brittle Dull, brittle Good

(7) As can be retrieved from the results in table 3, the shampoo preparations according to the present invention yield a good styling performance while providing a soft feel to the hair.

EXAMPLE 3

(8) The sensory properties of the shampoo preparation No. 1 of table 2 were also assessed on a mannequin head. First the hair was washed 5 g with a standard shampoo (Water 57.5%, Texapon® NSO-BZ 35%, Tego Betain F50 5%, Purox S 0.5%, Citric Acid 0.5%, NaCl 1.5%), rinsed with tab water and dried with a hair dryer at medium heat. Afterwards, half of the mannequin head was treated with 5 g the shampoo preparation, rinsed with tab water and dried with a hair dryer at medium heat. The other half of the mannequin hair was not treated. The comparative assessment revealed that the hair treated with the shampoo according to the present exhibited better hold and body while having a soft and smooth touch.

EXAMPLE 4

Exemplary Shampoo Preparation

(9) (All amounts given are based on the active ingredients).

(10) TABLE-US-00004 wt. % (as INCI Nomenclature active) 4.1 Styling shampoo Sodium Laureth Sulfate 10.00 Ammonium Lauryl Sulfate 5.00 Water 40.00 Cocamidopropyl Betaine 2.50 Borago Officinalis Seed Oil & Tocopherol & Ascorbyl Palmitate 0.30 PEG-40 Hydrogenated Castor Oil 0.50 Fragrance 0.30 Panthenol 1.00 Disodium EDTA 0.10 Water 10.00 Sodium benzoate 0.50 Citric acid 0.2 Acrylates copolymer (TILAMAR ® Fix A140) 2.4 Aminomethyl Propanol 0.6 Sodium Chloride 2.00 PEG-150 Pentaerythrityl Tetrastearate 3.00 Water ad. 100 4.2 Hydrating Shampoo with styling effect Sodium Myreth Sulfate 10.00 Ethylhexyl Methoxycinnamate 0.30 Sodium Benzoate 0.50 Citric Acid 0.20 Panthenol 1.00 PEG-7 Glyceryl Cocoate 2.00 Cocamidopropyl Betaine 3.50 Glycol Distearate & Glycerin and Laureth-4 & Cocamidopropyl 2.00 Betaine Disodium EDTA 0.10 Perfume 0.80 Polyquaternium-10 0.10 Decyl Glucoside 10.00 Sodium Chloride 1.50 Acrylates copolymer (TILAMAR ® Fix A140) 5.00 Aminomethyl Propanol 1.23 PEG-18 Glyceryl Oleate/Cocoate 1.00 Aqua (water) Ad 100 4.3 Hydrating Shampoo for Color Protection with volumizing effect Sodium Laureth Sulfate 15.00 Polysilicone-15 0.30 Methylchloroisothiazolinone & Methylisothiazolinone 0.10 Panthenol 1.00 PEG-7 Glyceryl Cocoate 2.00 Cocamidopropyl Betaine 3.50 Glycol Distearate & Glycerin and Laureth-4 & Cocamidopropyl 2.00 Betaine Disodium EDTA 0.10 Fragrance 0.80 Polyquaternium-10 0.10 Decyl Glucoside 10.00 Aqua (water) Ad 100 Acrylates copolymer (TILAMAR ® Fix A140) 4 Aminomethyl Propanol 1.08 Sodium Chloride 1.50 PEG-18 Glyceryl Oleate/Cocoate 1.00 4.4 Anti Dandruff Shampoo with styling effect Aqua (water) Ad 100 Ammonium laureth sulfate 10.00 Ammonium lauryl sulfate 5.00 Glycol distearate 1.00 Dimethicone 1.00 Cetyl alcohol 0.50 Cocamide MEA 3.00 ZPT 1.00 Guar hydroxypropyltrimonium chloride 0.20 Hydrogenated polydecene 1.00 Polyquaternium 10 0.30 PEG 7m 0.50 Trimethylpropane tricaprylate/tricaprate 1.00 Preservative q.s. Fragrance 0.30 E 104, E 110, E 132 0.02 Acrylates copolymer (TILAMAR ® Fix A140) 6.40 Aminomethyl Propanol 1.58 4.5 Styling shampoo with plant extracts Aqua (water) Ad 100 Sodium laureth sulfate 10.00 Lauryl glucoside 6.00 Cocamidopropyl betaine 2.00 Propylene glycol 2.00 Perfume oil 1.25 Sodium citrate 0.25 Sodium benzoate 0.20 Panthenol 1.00 Sodium formate 0.20 Polyquaternium-10 0.20 Hydroxypropyl guar hydroxypropyltrimonium chloride 0.05 PEG-35 castor oil 1.00 Maris sal 1.25 Polysorbate 20 1.00 Tocopheryl acetate 0.20 Prunus armeniaca 0.20 Echinacea purpurea 0.05 Retinyl palmitate 0.05 Tocopherol 0.05 Linoleic acid 0.20 Preservative 1.00 Acrylates copolymer (TILAMAR ® Fix A140) 5.00 Aminomethyl Propanol 1.23 CI77891 0.02