Process for dyeing the hair using a composition comprising a hydrophobic film-forming polymer, a pigment and a volatile solvent

A film-forming polymer, volatile solvent technology, used in medical preparations containing active ingredients, hair care, pharmaceutical formulations, etc.

Active Publication Date: 2009-06-17
LOREAL SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the resulting coatings are not entirely satisfactory with respect to external factors such as washing and perspiration

Method used

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  • Process for dyeing the hair using a composition comprising a hydrophobic film-forming polymer, a pigment and a volatile solvent
  • Process for dyeing the hair using a composition comprising a hydrophobic film-forming polymer, a pigment and a volatile solvent
  • Process for dyeing the hair using a composition comprising a hydrophobic film-forming polymer, a pigment and a volatile solvent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0428] Prepare the following compositions:

[0429] Cellulose levulinate sold under the tradename CAB-381-0.5 by Eastman Chemical 10 g

[0430] Mica-iron oxide mother-of-pearl sold under the trade name Prestige Soft Bronze by Eckart

[0431] 10g

[0432] Ethyl acetate 80g

[0433] 0.5 g of the composition is applied to 1 g of clean, dry hair tresses. The tress was immediately dried with a hair dryer at a temperature of 80° C. for 1 minute while combing continuously throughout the drying period. Colored tresses are obtained in which the hairs are separated and the color is shampoo-firm.

Embodiment 2

[0435] Prepare the following compositions:

[0436] 40% isobutyl methacrylate / bis-hydroxypropyl dimethicone acrylate copolymer in isododecane sold under the name Granacrysil BMAS by Grant Industries 25g

[0437] Mica-iron oxide mother-of-pearl sold under the trade name Prestige SoftBronze by Eckart

[0438] 10g

[0439] α,ω-Dihydroxylated Dimethicone / Cyclopentasiloxane (14.7 / 85.3) sold under the name DC1501 Fluid by Dow Corning 50g

[0440] Isododecane 15g

[0441] 0.5 g of the composition is applied to 1 g of clean, dry hair tresses. After a dwell time of 2 minutes, the tress is dried with a hair dryer at a temperature of 80° C. for 2 minutes. Colored tresses are obtained in which the hairs are separated and the color is shampoo-firm.

Embodiment 3

[0443] Prepare the following compositions:

[0444] by the National Starch company under the trade name Dermacryl Acrylic acid / isobutyl methacrylate / ethyl methacrylate / n-tert-octyl acrylamide copolymer sold by LT

[0445] 10g

[0446] Mica-iron oxide mother-of-pearl sold under the trade name Prestige Soft Bronze by Eckart

[0447] 10g

[0448] α,ω-Dihydroxylated Dimethicone / Cyclopentasiloxane (14.7 / 85.3) sold by Dow Corning under the name DC1501 Fluid 40g

[0449] Ethanol 40g

[0450] 0.5 g of the composition is applied to 1 g of clean, dry hair tresses. After a dwell time of 2 minutes, the lock was dried with a hair dryer at a temperature of 80° C. for 2 minutes while brushing the lock during drying. Colored tresses are obtained in which the hairs are separated and the color is shampoo-firm.

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Abstract

The present invention relates to a dyeing method for hair using a composition composed of hydrophobic film-forming polymer, paint and volatile solvent. The present invention relates to a dyeing method for hair using hydrophobic film-forming polymer. The method of the present invention comprises the following steps: applying the composition to the hair and the composition containing at least one hydrophobic film-forming polymer, at least one pigment, and at least one volatile solvent, then heating the hair covered with the composition at a temperature above 40 DEG C. By using the above-mentioned method, color coating can be coated on fiber and the color coating has the advantages of sustaining the hair separation as well as the physical property of keratin fibers.

Description

technical field [0001] The present invention relates to methods of coloring hair using hydrophobic film-forming polymers and pigments. Background technique [0002] In the field of dyeing keratin fibers, the practice of dyeing keratin fibers by various techniques using direct dyes or pigments for non-permanent dyeings or dye precursors for permanent dyeings is known. [0003] Non-permanent dyeing or direct dyeing consists in dyeing keratin fibers with dye compositions containing direct dyes. These dyes are pigmented and dyeing molecules that have an affinity for keratin fibers. They are applied to the keratin fibers for the time needed to obtain the desired coloration and then rinsed off. [0004] Standard dyes used are especially dyes of the nitrobenzene, anthraquinone, nitropyridine, azo, xanthene, acridine, azine or triarylmethane type or natural dyes. [0005] Some of these dyes can be used in lightening conditions, which enable the production of coloration that is vi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/891A61K8/87A61K8/84A61K8/81A61Q5/10
CPCA61K8/8152A61Q5/065A61K8/898A61K8/731A61K8/891A61K2800/24A61K8/8158A61K8/893A61K8/00A61K8/87A61Q5/10
Inventor G·布伦
Owner LOREAL SA
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