Composition for the permanent deformation of hair having reduced odour

Inactive Publication Date: 2018-03-15
THE PROCTER & GAMBNE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text is about a malodor suppression system that can be used in hair styling products. The system has specific properties that help reduce or eliminated malodors. The technical effect of this system is that it prevents malodors from being created during the hair shaping process.

Problems solved by technology

The alkaline-adjusted permanent shaping compositions based on mercapto-functionalized reducing agents, however cause unpleasant odor.
The unpleasant odor of the reducing agents requires intensive perfuming of the products.
Despite the fact that commercial permanent hair deformation products have been available for many years, still no products exist which effectively reduce or even completely avoid the malodor during and after the hair shaping process, and simultaneously provide an effective permanent hair shaping effect.
In comparison to the widely used thioglycolic acid, the permanent deformation effectiveness of thiolactic acid is however considerably weaker.

Method used

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  • Composition for the permanent deformation of hair having reduced odour
  • Composition for the permanent deformation of hair having reduced odour

Examples

Experimental program
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Effect test

examples

[0182]In order to determine the influence of the malodor suppressant systems on different permanent shaping compositions, test samples were provided and analyzed.

Permanent Shaping Premix

[0183]

Raw Material wt.-%Water purified qs Ammonium thioglycolate, 59.3% 1 10.8 Ammonium hydroxide, 25% 1 1.4 Ammonium bicarbonate 2 Coceth-10 0.8 PEG-35 castor oil 1.2 Hydroxyethyl cellulose 0.8 Polyquaternium-6 2 urea, USP 2.35 D,L-carnitine hydrochloride 0.311 in water

One-Component Malodor Suppressant System

[0184]

log PdensityS1S2S3S4S5S6C1Raw material(octanol / water)[g / mL]wt.-%IPM17.410.864100Habanolide4.770.901100Galaxolide5.930.946100Operanide4.901.01100Okoumal5.790.971100Benzyl benzoate3.591.129100Dipropylene glycol−0.621.0341001IPM: isopropylmyristate

Two-Component Malodor Suppressant System

[0185]

D1D2D3D4D5Raw materialwt-%IPM 150505050Habanolide50Galaxolide5050Operanide5050Okoumal501 IPM: isopropylmyristate

Fixing Composition

[0186]

Raw materialwt.-%Water purifiedqsHydrogen peroxide4.5Phosphoric aci...

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Abstract

The present invention relates to a permanent shaping composition for the permanent deformation of hair comprising, in a cosmetically acceptable carrier, at least one reducing agent comprising a mercapto functional group, at least one alkalizing agent, and a malodor suppressant system comprising at least a first malodor suppressant, herein the first malodor suppressant has a molecular weight of from 100 to 400 g / mol, and wherein the malodor suppressant system has a distribution coefficient log P (octanol / water) of 2 or more.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a permanent shaping composition for the permanent deformation of hair comprising, in a cosmetically acceptable carrier, at least one reducing agent comprising a mercapto functional group, at least one alkalizing agent, and a malodor suppressant system comprising at least a first malodor suppressant, a second malodor suppressant, and, optionally, a second malodor suppressant and / or one or more further malodor suppressants, wherein the first malodor suppressant is different from the second malodor suppressant, and wherein each of the first and second malodor suppressants have a molecular weight of from 100 to 400 g / mol, and wherein the malodor suppressant system has a distribution coefficient log P (octanol / water) of 2 or more. The present invention further relates to a kit for the permanent deformation of hair comprising an individually packaged composition comprising at least one reducing agent comprising a mercapto functi...

Claims

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Application Information

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IPC IPC(8): A61K8/49A61Q5/04A61K8/46A61K8/19A61K8/37A45D7/04
CPCA61K8/498A61Q5/04A61K8/46A61K8/19A61K8/37A61K8/4973A45D7/04A61K2800/87A61K2800/884A61K8/40A61K8/44A61K8/731A61K8/817A61K8/922A61K2800/882
Inventor BARHOUM, MOUSSACAHEN, CHRISTINE MARIEMCKELVEY, GRAHAM NEILSCHMITT, MANFRED
Owner THE PROCTER & GAMBNE CO
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