초록

A highly-viscous microemulsion containing: (a) a sugar surfactant; (b) an oil component; and (c) an aluminium-zirconium salt, and wherein the composition is transparent and has a Brookfield viscosity of at least about 100,000 mPas.

대표청구항 ▼

1. A highly-viscous microemulsion comprising:(a) a sugar surfactant; (b) an oil component; and an aluminium-zirconium salt, wherein the composition is transparent and has a Brookfield viscosity (RVT viscosimeter, 23° C. 4pm, TF Helipath spindle of at least about 100,000 mPas. 2. The microemulsion of

1. A highly-viscous microemulsion comprising:(a) a sugar surfactant; (b) an oil component; and an aluminium-zirconium salt, wherein the composition is transparent and has a Brookfield viscosity (RVT viscosimeter, 23° C. 4pm, TF Helipath spindle of at least about 100,000 mPas. 2. The microemulsion of claim 1 wherein the sugar surfactant is present in the composition in an amount of from about 1 to 40% by weight, based on the weight of the composition.3. The microemulsion of claim 1 wherein the sugar surfactant is present in the composition in an amount of from about 10 to 30% by weight, based on the weight at the composition.4. The microemulsion of claim 1 wherein the sugar surfactant is present in the composition in an amount of from about 15 to 20% by weight, based on the weight of the composition.5. The microemulsion of claim 1 wherein the oil component is present in the composition in an amount of from about 10 to 50% by weight, based on the weight of the composition.6. The microemulsion of claim 1 wherein the oil component is present in the composition in an amount of from about 18 to 35% by weight, based on the weight of the composition.7. The microemulsion of claim 1 wherein the oil component is present in the composition in an amount of from about 20 to 25% by weight, based on the weight of the composition.8. The microemulsion of claim 1 wherein the aluminium-zirconium salt is present in the composition in an amount of from about 5 to 40% by weight, based on the weight of the composition.9. The microemulsion of claim 1 wherein the aluminium-zirconium salt is present in the composition in an amount of from about 10 to 30% by weight, based on the weight of the composition.10. The microemulsion of claim 1 wherein the aluminium-zirconium salt is present in the composition in an amount of from about 15 to 20% by weight, based on the weight of the composition.11. The microemulsion of claim 1 wherein the sugar surfactant is selected from the group consisting of an alkyl and/or alkenyl oligoglycoside, a fatty acid-N-alkyl polyhydroxyalkyl amide, and mixtures thereof.12. The microemulsion of claim 1 wherein the microemulsion has a Brookfield viscosity of at least about 400,000 mPas.13. The microemulsion of claim 1 wherein the microemulsion has a Brookfield viscosity of from about 800,000 to 3,000,000 mPas.14. A cosmetic composition containing the microemulsion of claim 1, wherein the composition is in gel or stick form.15. The microemulsion of claim 1 comprising:(a) 1% to 40% by weight the sugar surfactant; (b) 10% to 50% by weight the oil component; (c) 5% to 40% by weight of the aluminium-zirconium salt; (d) 0 to 10% by weight of a thickener; (e) water; and, (f) optionally auxiliaries, co-emulsifiers and additives; wherein, quantities of components add up to 100%. 16. The microemulsion of claim 15 comprising:(a) 10% to 30% by weight of the sugar surfactant; (b) 10% to 30% by weight of the oil component; (c) 10% to 30% by weight of the aluminium-zirconium salt: (d) 1% to 8% by weight of the thickener; (e) water; and (f) optionally auxiliaries, co-emulsifiers, and additives. 17. The composition of claim 15 comprising:(a) 15% to 20% by weight of the sugar surfactant; (b) 15% to 20% by weight of the oil component; (c) 15% to 20% by weight of the aluminium-zirconium salt; (d) 2% to 5% by weight of the thickener; (a) water; and (f) optionally auxillaries, co-emulsifiers, and additives. 18. The microemulsion of claim 1 wherein the aluminium-zirconium salt comprises a complex of amino acids with chlorohydrate salts of aluminium and zirconium in an Al:Zr atomic ratio of from 3:1 to 10:1 and a total metal to chlorine atomic ratio of from 0.9:1 to 2.1:1.19. The microemulsion of claim 1 wherein the aluminium-zirconium salt comprises at least one member selected from the group consisting of aluminium-zirconium trichlorohydrate, aluminium-zirconium tetrachlorohydrate, aluminium-zirconium pentachlorohydrate and aluminium-zirconium octachlorohydrate and complex compounds of these salts.20. The microemulsion of claim 18 comprising a partial glyceride co-emulsifier in a ratio of by weight of sugar surfactant to partial glyceride co-emulsifier of from 10:90 to 90:10.