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United States Patent 7,485,289

 

 

Applicant: L'Oreal

 

Date: February 3, 2009

 

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Cosmetic compositions containing a particular aminosilicone and a conditioner, and uses thereof

 

 

 

A novel cosmetic composition comprising, in a cosmetically acceptable medium, at least one aminosilicone as defined herein having, for example, a contact angle with water ranging from 90o to 180o and at least one conditioner, being able to afford, for example, at least one improved cosmetic property (such as lightness, disentangling, volume and sheen) and/or at least one of long-lasting and permanent effects, as well as uses of the composition, such as for washing and/or conditioning keratin materials such as the hair or the skin.

 

The inventors have found that a composition comprising at least one aminosilicone as shown below and at least one cationic conditioner polymer, makes it possible to limit or even eliminate at least one of the lack of sheen, smoothness and softness of the hair, while at the same time retaining at least one of the other advantageous cosmetic properties associated with compositions containing a silicone.

 

 

 

A shampoo having the composition below was prepared:

TABLE

 

Item No

Ingredient Name

Wt [g] of Active Matter

1        

 

Sodium lauryl ether sulphate (70/30 C12/C14) with 2.2 mol of ethylene oxide, containing 70% AM

7.0

2        

Cocoylbetaine

2.5

3        

Ethylene glycol distearate

1.5

4        

Polydimethylsiloxane of formula (II) sold by Wacker under the name SLM 28020

1.5

5        

Polydimethylsiloxane of viscosity 60 000 cSt (DC200-60 000 cSt from Dow Corning)

1.0

6        

Hydroxyethylcellulose quaternized with 2,3-epoxypropyltrimethylammonium chloride, sold under the name Ucare Polymer JR-400 by the company Amerchol

0.4

7        

Acrylic polymer in emulsion form, sold under the name Aqua SF1 by Noveon

8.8

8        

Preserving agents

qs

9        

pH agents

qs to pH 5

10     

Demineralized water

qs to 100


Hair treated with this shampoo has long-lasting softness and smoothness.

 

Preparation: In a formulation vessel weigh in and mix items 10, 1, 2 and 7. Adjust the pH with sodium hydroxide to pH 5. Heat to 70oC and add item 3 and 0.4. Allow to cool to 40oC and add items 4 and 5 under strong mixing. Add items 8, fragrance, color and any other adjuvants.

 

 

 

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