Composition containing chitosan and natural resin

Abstract

The present invention relates, in particular, to a cosmetic composition for makeuping and / or caring for the skin and / or lips and / or eyelashes and / or hair, especially the skin, comprising in a physiologically acceptable aqueous medium: a) natural chitosan having a molecular weight strictly greater than 3,000 daltons, in an amount of at least 0.01% by mass relative to the total mass of the composition, and this amount being strictly less than 15% by mass; and b) at least one natural resin. The present invention also relates to a method for makeuping and / or caring for the skin and / or skin appendages, wherein the composition according to the present invention is applied to the skin and / or skin appendages.

Claims

1. In particular, a cosmetic composition for makeup and / or care of the skin and / or lips and / or eyelashes and / or hair, comprising a physiologically acceptable aqueous medium, a) Natural chitosan having a molecular weight of exactly more than 3,000 daltons, in an amount of at least 0.01% by mass relative to the total mass of the composition, and this amount being strictly less than 15% by mass, b) at least one type of natural resin and A cosmetic composition containing [the specified ingredient].

2. The composition according to claim 1, wherein the natural chitosan has a molecular weight of 10 kDa or more, preferably 15 kDa or more, preferably 20 kDa or more, and preferably the natural chitosan has a molecular weight between 10 kDa and 2 MDa, preferably between 15 kDa and 1.5 MDa, preferably between 20 kDa and 300 kDa, and preferably between 20 kDa and 200 kDa.

3. The composition according to claim 1 or 2, wherein the natural chitosan has a degree of chitosan acetylation of 80% or less, preferably 70% or less, preferably 60% or less, preferably 50% or less, preferably 35% or less, preferably 25% or less, and preferably 15% or less.

4. The composition according to any one of claims 1 to 3, wherein the natural chitosan is a polysaccharide prepared from fungal origin, preferably a polysaccharide derived from the mycelium of a fungus of the class Aspergillus, particularly Aspergillus niger and / or Basidiomycetes, particularly Lentinula eddes and / or Agaricus bisporus, and preferably the fungus is Aspergillus niger.

5. The composition according to any one of claims 1 to 4, wherein natural chitosan is present in an amount of 0.01% to 14% by mass, preferably 0.1% to 14% by mass, preferably 0.1% to 12% by mass, preferably 0.2% to 7% by mass, preferably 0.25% to 5% by mass, preferably 0.3% to 3% by mass, or more preferably 0.5% to 2% by mass, based on the total mass of the composition.

6. The composition according to any one of claims 1 to 5, wherein the natural resin comprises at least 30% by mass of a terpene compound, preferably at least 40% by mass of a terpene compound, preferably at least 50% of a terpene compound, more preferably at least 60% of a terpene compound, or even better, at least 70% by mass of a terpene compound, based on the total mass of the resin.

7. Natural resins, either alone or in mixtures, include the following resins: - Resin extracted from plant wax, preferably Euphorbia cerifera (candelilla) wax extract; - Incense resin, preferably protium heptaphyllum resin, or protium resin, or white brew resin; - Shorea robusta resin, which is an incense resin derived from Sarasa in alone or in a mixture with one or more fatty substances selected preferably from volatile or non-volatile oils, preferably Shorea robusta resin with sunflower seed oil, and Shorea robusta resin with octyldodecanol; and - Rosin, preferably rosin acid esters, for example, glyceryl rosinate, glyceryl rosinate in a mixture with hydrogenated vegetable oil and / or castor oil, pentaerythrityl rosinate, or hydrogenated rosinate, for example, hydrogenated pentaerythrityl rosinate or hydrogenated methyl rosinate. A composition according to any one of claims 1 to 6, selected from among them.

8. The composition according to any one of claims 1 to 7, wherein natural resin may be present in the composition according to the present invention in an amount of 0.1% to 40% by mass, preferably 0.2% to 30% by mass, preferably 0.5% to 25% by mass, preferably 0.8% to 22% by mass, preferably 1% to 20% by mass, more preferably 1.2% to 15% by mass, preferably 1.5% to 10% by mass, or even more preferably 2% to 8% by mass, based on the total mass of the composition.

9. The composition according to any one of claims 1 to 8, wherein the mass ratio between chitosan and natural resin (i.e., chitosan:natural resin mass ratio) is between 0.00025 and 150, preferably between 0.001 and 100, preferably between 0.01 and 50, preferably between 0.05 and 10, and more preferably between 0.1 and 2.

5.

10. The composition according to any one of claims 1 to 9, further comprising at least one compound selected from pigment coloring materials.

11. The composition according to claim 10, wherein the pigment coloring material is an inorganic pigment selected from titanium dioxide, iron oxide, zirconium oxide or cerium oxide, zinc oxide or chromium oxide, manganese violet, ultramarine blue, chromium hydrate, and ferric blue, metal powders such as aluminum powder and copper powder, pearlescent material, and monochrome pigments.

12. The composition according to claim 10, wherein the pigment coloring material is an organic pigment selected from nitroso, nitro, azo, xanthene, quinolein, anthraquinone, phthalocyanine, metal complex type, isoindolinone, isoindoline, quinacridone, perinone, perylene, diketopyrrolopyrrole, thioindigo, dioxazine, triphenylmethane, and quinophthalone compounds.

13. The composition according to claim 10 or 11, wherein the pigment coloring material is preferably selected from inorganic pigments, specifically titanium dioxide, iron oxide, zirconia or cerium oxide, zinc oxide or chromium oxide, and mixtures thereof, and preferably the pigment is selected from titanium dioxide, iron oxide, and mixtures thereof.

14. The composition according to any one of claims 10 to 13, wherein the pigment coloring material is present in an amount of 0.5% to 70% by mass, preferably 1% to 60% by mass, preferably 1% to 50% by mass, preferably 2% to 40% by mass, preferably 4% to 30% by mass, preferably 5% to 25% by mass, preferably 6% to 20% by mass, and preferably 8% to 18% by mass, based on the mass of the composition.

15. The composition according to any one of claims 1 to 14, comprising 10% by mass or less, preferably 5% by mass or less, of silicone based on the total mass of the composition.

16. A composition according to any one of claims 1 to 15, wherein the composition is substantially free of silicones other than film-forming or adhesive silicone polymers; preferably contains less than 1% by mass, preferably less than 0.5% by mass, preferably less than 0.3% by mass, preferably less than 0.1% by mass, based on the total mass of the composition; preferably completely free of silicones other than film-forming or adhesive silicone polymers; and preferably, the composition according to the present invention is substantially free of silicones, and advantageously, completely free of silicones.

17. The composition according to any one of claims 1 to 16, wherein the physiologically acceptable aqueous medium is at least 5% by mass, preferably at least 10% by mass, preferably at least 20% by mass, preferably at least 25%, preferably at least 30% by mass, preferably at least 35% by mass, preferably at least 40% by mass of water based on the total mass of the composition; preferably 5% to 95% by mass, more preferably 10% to 85%, even more preferably 20% to 80%, even more preferably 25% to 75%, even more preferably 28% to 70%, even more preferably 30% to 65%, even more preferably 35% to 60% of water based on the total mass of the composition; and optionally comprising at least one organic solvent miscible in water at 25°C, selected from alcohols, polyols and mixtures thereof, wherein preferably the mass ratio between polyol and chitosan, if present, is between 0.1 and 6, preferably between 0.1 and 5, preferably between 0.2 and 5, preferably between 0.2 and 4.5, and preferably between 0.5 and 2.

18. Preferably, the composition according to any one of claims 1 to 17 comprises at least one alpha hydroxy acid selected from lactic acid, citric acid, methyllactic acid, glucuronic acid, glycolic acid, pyruvic acid, 2-hydroxybutanoic acid, 2-hydroxypentanoic acid, 2-hydroxyhexanoic acid, 2-hydroxyheptanoic acid, 2-hydroxyoctanoic acid, 2-hydroxynonanoic acid, 2-hydroxydecanoic acid, 2-hydroxyundecanoic acid, 2-hydroxydodecanoic acid, 2-hydroxytetradecanoic acid, 2-hydroxyhexadecanoic acid, 2-hydroxyoctadecanoic acid, 2-hydroxytetracosanoic acid, 2-hydroxyeicosanoic acid; mandelic acid; phenyllactic acid; gluconic acid; galacturonic acid; aloylitic acid; ribonic acid; tartaric acid; tartaric acid; malic acid; fumaric acid; salts thereof and mixtures thereof.

19. The composition according to any one of claims 1 to 18, having a pH of 7 or less, preferably 6.5 or less, preferably 6.3 or less, preferably between 3 and 6.3, and preferably between 4 and 6.

3.

20. The composition according to any one of claims 1 to 19, further comprising at least one oil phase, preferably the oil phase comprising at least one oil, in particular a cosmetic oil; and preferably the composition is a direct or reverse emulsion.

21. The composition according to any one of claims 1 to 20, further comprising at least one surfactant, preferably a nonionic surfactant, preferably in an amount between 0.01% to 15% by mass, preferably between 0.05% to 10% by mass, preferably between 0.1% to 5% by mass, and preferably between 0.1% to 2% by mass, based on the total mass of the composition.

22. The composition according to any one of claims 1 to 21, comprising at least one non-volatile oil, wherein its mass content is 40% by mass or less, preferably 30% by mass or less, preferably 20% by mass or less, preferably 15% by mass or less, preferably 10% by mass or less, preferably 8% by mass or less, and / or the mass ratio of the non-volatile oil to the resin is between 0.01 and 10, preferably between 0.1 and 5, preferably between 0.2 and 3, preferably between 0.5 and 1.

23. The composition according to any one of claims 1 to 22, further comprising a volatile oil and / or a volatile alcohol.

24. A method for makeuping and / or caring for skin and / or skin appendages, wherein a composition according to any one of claims 1 to 23 is applied to the skin and / or skin appendages.

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