Personal cleansing composition

A composition and polymer technology, applied in hair care, cosmetic preparations, pharmaceutical formulations, etc.

Pending Publication Date: 2020-08-04
UNILEVER IP HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However we have found that when the hair is subsequently washed with a conditioner as part of a typical wash cycle, the silicone is largely cleaned out

Method used

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  • Personal cleansing composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0099] Example 1: Compositions 1-2 according to the invention, comparative compositions A-B and control 1

[0100] A hair cleansing shampoo formulation having the ingredients shown in Table 1 was prepared. Compositions 1-2 are according to the invention; compositions A-B are comparative examples. All weight percentages (wt %) quoted are by weight based on the total weight unless otherwise indicated.

[0101] Table 1: Composition (% by weight) of compositions 1-2 according to the invention, comparative compositions A-B and control 1

[0102]

[0103] *Emulsion of dimethiconol with anionic emulsifier, average particle size < 1 micron (from Dow)

[0104] **Dowsil CE-7051POE Emulsion Silicone Blend from Dow

[0105] ***N-DurHance TM A-1000 Conditioning Polymer (from Ashland Inc.); 20% actives

[0106] Shampoo Compositions 1-2, Comparative Compositions A-B and Control were prepared by the following method:

[0107] 1. Thoroughly disperse the cationic conditioning polyme...

Embodiment 2

[0115] Example 2: Treatment of Hair with Compositions 1-2, Comparative Compositions A-B and Control 1

[0116] The hair used was dark brown European hair, tresses weighing 2.5 g and 6 inches in length. In these embodiments, this is referred to as untreated hair.

[0117] Bleached hair was prepared as follows:

[0118] Platine PrecisionWhite Compact Lightening Powder (L'Oreal Professionnel Paris, Paris, France) mixed with 9% cream peroxide, 30'vol' (Excel GS Ltd, UK) (60g powder mixed with 120g cream peroxide ) bleach the hair for 30 minutes at a time. Then rinse hair with water for 2 minutes. Hair was treated with the formulations described in Table 1 during a typical wash regimen. The treated hair was then evaluated for the amount of silicone deposited on the surface and the level of friction when the hair was dry.

[0119] Hair was treated with the shampoo compositions: Compositions 1-2, Comparative Compositions A-B and Control 1 using the following method:

[0120] ...

Embodiment 3

[0122] Example 3: Silicone Deposition on Hair Treated with Compositions 1-2, Comparative Compositions A-B and Control 1

[0123] The treated tresses were rinsed and dried before quantifying the amount of silicone deposited on the hair surface using x-ray fluorescence (XRF).

[0124] Five replicates were prepared for each test formulation. The average amount of silicone deposited on the hair is shown in Table 2.

[0125] Table 2: Silicone deposition (ppm) on bleached hair treated with compositions 1-2 according to the invention, comparative compositions A-B and control 1

[0126] combination hair type Silicone deposition (PPM) s.d. Control 1 bleached 0 10.07 Composition A bleached 30.32 4.52 Composition 1 bleached 164.06 17.54 Composition B unprocessed 408.6 39.46 Composition 2 unprocessed 650.6 39.84

[0127] It will be seen that the amount of silicone deposited onto the hair is significantly higher for compo...

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Abstract

The invention provides an aqueous shampoo composition comprising: a) a pre-formed emulsified silicone; b) a cationic deposition polymer; c) a hair substantive cationic conditioning polymer which is ahomopolymer of (3-acrylamidopropyl) trimethyl ammonium chloride; d) a cleansing surfactant; e) a co-surfactant; and f) a suspending agent; which results in superior retention of silicone on hair.

Description

technical field [0001] The present invention relates to shampoo compositions for use on hair. Background technique [0002] US 2012 / 276210 relates to shampoo compositions containing polyacrylate microcapsules, wherein the polyacrylate microcapsules have increased deposition on the hair. The disclosed shampoo compositions comprise: [0003] (a) from about 0.001% to about 10% anionically charged polyacrylate microcapsules; [0004] (b) from about 0.01% to about 2% cationic deposition polymer; and [0005] (c) from about 2% to about 25% detersive surfactant; and [0006] (d) Carrier. [0007] WO 2007 / 065537 addresses the problems associated with the use of cationic deposition polymers due to the difficulty in obtaining a good balance of conditioning benefits in the different stages of the shampooing process, and discloses an aqueous shampoo composition comprising: [0008] (i) one or more anionic cleansing surfactants; [0009] (ii) discrete dispersed droplets of a water-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/44A61K8/46A61Q5/02A61K8/73A61K8/81A61K8/892
CPCA61K8/44A61K8/463A61Q5/02A61K8/737A61K8/8158A61K8/892A61K8/416A61K8/8147A61K8/8152A61K8/898A61K2800/5426A61K2800/596
Inventor A·M·穆哈达姆J·穆斯卡特
Owner UNILEVER IP HLDG BV
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