MINERAL-OIL-FREE W/O EMULSION WITH A VARIABLE CONSISTENCY

Abstract

Cosmetic water-in-oil emulsion (W/O emulsion) containing a first emulsifier from the group of the compounds diisostearoyl polyglyceryl-3 dimer dilinoleate and/or polyglyceryl-3 polyricinoleate, a second emulsifier from the group of the compounds polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate and/or polyglyceryl-2 sesquioleate as well as sunflower wax, wherein the preparation is free from mineral oil, paraffin wax, microcrystalline wax, shellac wax and polyethylene wax, free from polyacrylates, Acrylates/C10-30 Alkyl Acrylate Crosspolymers and vinylpyrrolidone/hexadecene copolymers, as well as free from 3-(4-methylbenzylidene)-camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone), 4-methoxycinnamic acid-2-ethylhexyl ester (INCI: Octyl Methoxycinnamate), ethylhexyl-2-cyano-3,3-di-diphenylacrylate (INCI: Octocrylene), parabens (in particular methyl-, propyl- and butylparaben), methylisothiazolinone, chloromethylisothiazolinone and DMDM hydantoin, polyethylene glycol ethers or polyethylene glycol esters, and production method.

Claims

1. Cosmetic water-in-oil emulsion (W/O emulsion) containing a) a first emulsifier from the group of the compounds diisostearoyl polyglyceryl-3 dimer dilinoleate and/or polyglyceryl-3 polyricinoleate b) a second emulsifier from the group of the compounds polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate and/or polyglyceryl-2 sesquioleate c) sunflower wax, wherein the preparation is free from mineral oil, paraffin wax, microcrystalline wax, shellac wax and polyethylene waxes, free from polyacrylates, acrylate/C10-C30 alkyl acrylate crosspolymers and vinylpyrrolidone/hexadecene copolymers, and free from 3-(4-methylbenzylidene)camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone), 2-ethylhexyl 4-methoxycinnamate (INCI Octyl Methoxycinnamate), ethylhexyl 2-cyano-3,3-diphenylacrylate (INCI: Octocrylene, parabens (particularly methyl, propyl and butyl paraben), methylisothiazolinone, chloromethylisothiazolinone and DMDM hydantoin, polyethylene glycol ethers or polyethylene glycol esters.

2. Process for producing a cosmetic water-in-oil emulsion (W/O emulsion), wherein the oil phase contains a) a first emulsifier from the group of the compounds diisostearoyl polyglyceryl-3 dimer dilinoleate and/or polyglyceryl-3 polyricinoleate b) a second emulsifier from the group of the compounds polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate and/or polyglyceryl-2 sesquioleate and c) sunflower wax, wherein the preparation is free from mineral oil, paraffin wax, microcrystalline wax, shellac wax and polyethylene waxes, free from polyacrylates, acrylate/C10-C30 alkyl acrylate crosspolymers and vinylpyrrolidone/hexadecene copolymers, and free from 3-(4-methylbenzylidene)camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone), 2-ethylhexyl 4-methoxycinnamate (INCI Octyl Methoxycinnamate), ethylhexyl 2-cyano-3,3-diphenylacrylate (INCI: Octocrylene, parabens (in particular methyl, propyl and butyl paraben), methylisothiazolinone, chloromethylisothiazolinone and DMDM hydantoin, polyethylene glycol ethers or polyethylene glycol esters, characterized in that the oil phase, the aqueous phase and the oil phase are first combined and homogenized at a temperature equal to/greater than 80 C. in each case.

3. W/O emulsion according to claim 1 or process according to claim 2, characterized in that diisostearoyl polyglyceryl-3 dimer dilinoleate is used as first emulsifier and polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate is used as second emulsifier.

4. W/O emulsion or process according to one of the preceding claims, characterized in that the total concentration of the first emulsifier(s) is 1 to 4% by weight, based on the total weight of the preparation.

5. W/O emulsion or process according to one of the preceding claims, characterized in that the total concentration of the second emulsifier(s) is 0.5 to 2.5% by weight, based on the total weight of the preparation.

6. W/O emulsion or process according to one of the preceding claims, characterized in that the concentration of sunflower wax is 1 to 10% by weight, based on the total weight of the preparation.

7. W/O emulsion or process according to one of the preceding claims, characterized in that the amount of the water phase is 35 to 65% by weight and the amount of the oil phase is 35 to 65% by weight, based on the total amount of the preparation.

8. W/O emulsion or process according to one of the preceding claims, characterized in that the preparation comprises esters, of which the alcohol and acid unit each comprises hydrocarbon chains of chain length C14 to C62.

9. W/O emulsion or process according to one of the preceding claims, characterized in that the preparation contains behenyl behenate (INCI: Behenyl Behenate).

10. W/O emulsion or process according to one of the preceding claims, characterized in that the preparation contains beeswax (INCI: Cera Alba).

11. W/O emulsion or process according to one of the preceding claims, characterized in that the salt content of the preparation is less than/equal to 0.1% by weight, based on the total weight of the preparation.

12. W/O emulsion or process according to one of the preceding claims, characterized in that the preparation comprises glycerin in an amount of 1 to 20% by weight, based on the total weight of the preparation.

13. W/O emulsion or process according to one of the preceding claims, characterized in that the preparation comprises one or more compounds selected from the group of the compounds alpha-lipoic acid, folic acid, phytoene, D-biotin, coenzyme Q10, alpha-glucosylrutin, carnitine, carnosine, natural and/or synthetic isoflavonoids, flavonoids, creatine, creatinine, taurine, -alanine, panthenol, magnolol, honokiol, tocopheryl acetate, dihydroxyacetone; thiamidol, 8-hexadecene-1,16-dicarboxylic acid, glycerylglucose, allantoin, vitamin E and vitamin E acetate, hyaluronic acid and/or salts thereof, licochalcone A and/or plant extracts.

14. Process according to one of the preceding claims, characterized in that after the homogenization at a temperature of greater than/equal to 80 C., the preparation is cooled to 40 to 45 C. while stirring and is then homogenized again.

15. Process according to claim 14, characterized in that the preparation is cooled further after the second homogenization and is filled into storage containers at a temperature of 35 to 40 C.

16. Process according to one of claims 1 to 13, characterized in that after the homogenization at a temperature of greater than/equal to 80 C., the preparation is cooled to 70 to 75 C. while stirring and then poured into a casting mold for sticks and cooled therein to room temperature at a cooling rate of 0.2-0.4 C./second.

17. Process according to claim 16, characterized in that after cooling to room temperature the stick-shaped mass (stick pencil) is removed from the mold and transferred to a storage container for stick-shaped preparations.

Description

EXAMPLES

[0046] The examples below are intended to illustrate the present invention without limiting it. Unless otherwise stated, all quantitative data, fractions, and percentages are based on the weight and the total amount or on the total weight of the preparations.

TABLE-US-00001 Example Example Example Example INCI 1 2 3 4 Phase Behenyl Behenate 5 4 4 A Prunus Amygdalus Dulcis Oil 20 20 20 20 Cera Alba 4 Ricinus Communis Seed Oil 10 10 10 10 Helianthus Annuus Seed Wax 1 2.5 2 2.5 Diisostearoyl Polyglyceryl-3 Dimer Dilinoleate 1.4 1.4 1.4 Polyglyceryl-4 0.8 0.8 0.8 Diisostearate/Polyhydroxystearate/Sebacate Polyglyceryl-3 Polyricinoleate 1.4 Polyglyceryl-2 Sesquioleate 0.8 Phase Phenoxyethanol 0.8 0.8 0.8 0.8 B Glyceryl Caprate 0.3 0.3 0.3 0.3 Glycerin 10 10 10 10 Caprylyl Glycol 0.15 0.15 0.15 0.15 Aqua 50.55 50.05 50.55 50.05 100 100 100 100

Production of Solid Formulation

[0047] Heat phase A to 90 C. while stirring [0048] Heat phase B to 85 C. while stirring [0049] Slowly add phase B to phase A, stirring at 800-1200 rpm [0050] Stir the emulsion at 80 C. for 20 minutes [0051] Then pour into the mold at 70-75 C. [0052] Leave to cool at room temperature for 15 minutes. The cooling rate here is ca. 0.3 C./second.

[0053] Then allow to harden for a further 30 minutes at 18 C. [0054] Recommended equipment: IKA agitator with suitable dissolver

Production of Cream Formulation

[0055] Heat phase A to 90 C. while stirring [0056] Heat phase B to 85 C. while stirring [0057] Slowly add phase B to phase A, stirring at 150 rpm [0058] Homogenize hot emulsion [0059] Then stir cold (50-70 rpm) [0060] Homogenize the emulsion again at 30 C.