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Dyeing composition comprising a specific pigment and at least one electrophilic monomer

A composition and electrophilic technology, applied in the directions of medical preparations, cosmetics, cosmetic preparations containing active ingredients, etc., can solve the problems of not durable shampoo, shampoo, etc., and achieve the effect of rich colors

Inactive Publication Date: 2006-08-09
LOREAL SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The disadvantage of dyeing achieved by this dyeing method is that it is not durable for shampooing

Method used

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  • Dyeing composition comprising a specific pigment and at least one electrophilic monomer
  • Dyeing composition comprising a specific pigment and at least one electrophilic monomer
  • Dyeing composition comprising a specific pigment and at least one electrophilic monomer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0177] An aqueous composition was prepared using 10% by weight of Pigment 1. 0.5g of this aqueous composition was applied to a 1g lock of clean, dry, naturally white hair. The locks of hair were then dried with a helmet-mounted blow dryer.

[0178] The lock of hair is moistened with 0.5 g of water. Then, 0.5 g of a composition containing 10% by weight of cyanoacrylate monomer in the dyeing medium previously described was applied to the lock of hair.

[0179] After standing for 15 minutes, the tresses were dried with a hair dryer for 2 minutes.

[0180] The resulting tress of hair was dyed red and retained the resulting color after at least six shampoo sessions.

Embodiment 2

[0182] A composition was prepared containing 10% by weight of Pigment 2 in the dyeing medium previously described. Cyanoacrylate monomer was added to this composition so that the final concentration reached 10 wt% monomer. 0.5g of this composition was applied to a lock of clean, dry natural hair in a shade of 4 and moistened with 0.5g of water.

[0183] After standing for 15 minutes, the tresses were dried with a hair dryer for 2 minutes.

[0184] The resulting locks of hair were very easily dyed green and retained the color obtained after at least six shampoos.

Embodiment 3

[0185] Example 3: Red Lake

[0186] The following compositions were prepared:

[0187] DC 1501 Huid 40g

[0188] DC 245 Fluid 39.2g

[0189] Lisso Red B calcium salt, CI 15850

[0190] D&C Red 7, sold by Wackherr 10g

[0191] Polyhydroxystearic acid dispersant, trade name Octacare

[0192] DSP OL 300, marketed by AVECIA 0.8g

[0193] Chemence's Methylheptyl Cyanoacrylate 10g

[0194] 0.5g of this composition was applied to a 1g lock of wet, clean hair. After standing for 15 minutes, the tresses were dried with a hair dryer for 2 minutes.

[0195] This tress of hair has been dyed, resulting in a dyed durable shampoo.

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Abstract

The invention relates to a dyeing composition comprising, in an appropriate dyeing medium, at least one electrophilic monomer and at least one pigment comprising at least one organic part. The composition in accordance with the invention makes it possible to obtain a visible and very chromatic coloration on a dark keratin material. In particular, in the case of dark keratin fibres, a very visible chromatic coloration is obtained without it being necessary to lighten or bleach the keratin fibres and, consequently, without physical degradation of the keratin fibres.

Description

technical field [0001] The object of the present invention is a dyeing composition of substances, in particular keratin fibers, such as hair, comprising at least one specific pigment and at least one electrophilic monomer. Background technique [0002] In the field of dyeing of keratin fibers, it is known to dye keratin fibers using different techniques, using non-permanently dyed direct dyes or pigments or using permanently dyed dye precursors. [0003] Non-permanent dyeing or substantive dyeing consists in dyeing keratin fibers using dyeing compositions containing substantive dyes. These dyes are colored or colored molecules that have an affinity for keratin fibers. They are applied to the keratin fibers for the time required to achieve the desired dyeing and then rinsed. [0004] Classical dyes that have been used are in particular benzene, anthraquinone, nitropyridine, azo, xanthene, acridine, azine, triarylmethane nitro-containing dyes or natural dyes. [0005] Some ...

Claims

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Application Information

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IPC IPC(8): A61K8/30A61K8/37A61K8/89A61K8/84A61Q5/10
CPCA61Q5/065A61K2800/43A61K8/40A61K8/30A61K8/41A61K8/44A61Q5/10
Inventor G·布龙
Owner LOREAL SA
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