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Biobased thickening composition

A technology of composition and cosmetic composition, which is applied in the direction of cosmetics, cosmetic preparations, dressing preparations, etc., and can solve problems such as not being suitable for local application

Active Publication Date: 2021-08-06
TOTAL MARKETING SERVICES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These compositions are not suitable for topical application to the skin, nails or skin appendages

Method used

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  • Biobased thickening composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0229] Example 1: Preparation of thickening composition:

[0230] The poly(farnesene) used in Examples 1 to 5 was fully hydrogenated and functionalized with hydroxyl groups. Its number average molecular weight was 71,000 g / mol. Prepared according to the operating method described in patent document WO2018 / 052709.

[0231] Table 1 summarizes the physicochemical properties of the hydrocarbon oils used in the examples.

[0232] [Table 1]

[0233] characteristic Hydrocarbon oil Aromatic compounds (ppm) <20

Sulfur (ppm) 0.11 % isoparaffin (w / w) 96.2 % n-paraffin (w / w) 3.8 % naphthenic compounds (w / w) 0 C13 (iso) 0 C14 (iso) 0 C15 (iso) 0 C16 (iso) 1.58 C17 (iso) 14.17 C18 (iso) 79.69 C19 (iso) 0.12 C20 (iso) 0,38 C27 (iso) 0.29 Carbon content of biological origin (%) >98 Initial boiling point (℃) 293.6 Boiling point 5% (℃) 296.7 Boiling point 50% (℃) 298.5 ...

Embodiment 2

[0248] Example 2: Evaluation of the miscibility of thickening compositions with fatty substances

[0249] The fatty substances tested were:

[0250] - Vegetable oil: Meadowsweet seed oil (according to the INCI name) has a density of 0.91 at 20°C and contains relative to the total weight of the vegetable oil:

[0251] 58.0-64.0 wt% codoleic acid (C20:1)

[0252] 10.0-14.0 wt% erucic acid (C22:1d13)

[0253] 3.0-6.0 wt% docosaenoic acid (C22:1d5)

[0254] 15.0-21.0 wt % docosadienoic acid (C22:2).

[0255] - Vegetable Wax: Jojoba Oil.

[0256] - Oily ester: isononyl isononanoate (according to the INCI name), commercially available.

[0257] - Silicone oil: cyclopentasiloxane (according to the INCI name), commercially available.

[0258] - Squalane (according to INCI name).

[0259] The procedure consisted of observing the miscibility of the thickening compositions (compositions 1 and 2 prepared in Example 1) with fatty substances, by increasing the weight percentages: 1...

Embodiment 3

[0270] Example 3: Sensory analysis of cosmetic compositions comprising thickening compositions according to the invention

[0271] Four cosmetic compositions were prepared and tested. The cosmetic compositions are described in Table 3 below. The percentages are by weight relative to the total weight of the thickening composition.

[0272] [table 3]

[0273]

[0274] Table 3: Cosmetic Compositions

[0275] Compositions were evaluated from a sensory and sensory standpoint by a sensory panel composed of experts (5 persons).

[0276] Sensory and sensory analysis was performed as follows:

[0277] A drop of the product to be evaluated is placed on the skin (under the forearm) using a glass pipette.

[0278] Product application with fingers: skin appearance (gloss), feel (feel) upon application, and final feel after application were evaluated.

[0279] Two criteria, skin radiance and fatness, were given a score of 0 to 3.5. The higher the level, the better it feels. The...

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Abstract

The invention relates to a thickening composition for topical application to the skin, the lips or the skin appendages, said thickening composition comprising at least one oil of biological origin and at least one poly(farnesene) polymer having a number-average molar mass ranging from 10000 to 120000 g / mol. The invention also relates to a cosmetic composition comprising the thickening composition according to the invention and to the use of the thickening composition according to the invention in a cosmetic composition.

Description

technical field [0001] The present invention relates to a thickening composition comprising at least one oil derived from biological sources and a poly(farnesene) polymer. [0002] The present invention also relates to cosmetic compositions comprising said thickening compositions and uses thereof. [0003] The invention also relates to the use of the thickening composition for cosmetic preparations. Background technique [0004] Cosmetics exist in a variety of different forms. They can be in the form of emulsions (mixture of aqueous and fatty phases stabilized by emulsifiers), or completely aqueous or completely anhydrous (fatty phase only). To texturize or increase the viscosity of the fatty phase in an emulsion or anhydrous product, one skilled in the art will use a thickener for the fatty phase, which may be a gel, i.e. non-polar (or non-polar ) mixture of oil and gelling agent. These gels are specifically used to formulate lip gloss, lip balm, skin cream or sunscreen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/31A61Q19/00A61K8/81A61K8/06
CPCA61K8/062A61K8/31A61K8/8111A61Q19/00A61K8/92A61Q17/04A61K2800/48A61K8/042A61K8/922
Inventor B·史华波达
Owner TOTAL MARKETING SERVICES SA