The invention relates to a cosmetic formulation with improved effectiveness and reduced stickiness, comprising at least one activated aluminum antiperspirant active ingredient, at least one alpha-hydroxycarboxylic acid and water.
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1. A cosmetic formulation, wherein the formulation comprises (a) at least one activated aluminum compound which is effective as antiperspirant, (b) at least one α-hydroxycarboxylic acid which comprises mandelic acid and (c) water, a ratio (a):(b) being from 12:1 to 2:1. 2. The cosmetic formulation o
1. A cosmetic formulation, wherein the formulation comprises (a) at least one activated aluminum compound which is effective as antiperspirant, (b) at least one α-hydroxycarboxylic acid which comprises mandelic acid and (c) water, a ratio (a):(b) being from 12:1 to 2:1. 2. The cosmetic formulation of claim 1, wherein (a) comprises one or more activated aluminum salts. 3. The cosmetic formulation of claim 2, wherein (a) comprises activated aluminum chlorohydrate. 4. The cosmetic formulation of claim 2, wherein the ratio (a):(b) is from 10:1 to 2.5:1. 5. The cosmetic formulation of claim 2, wherein the formulation comprises from 1% to 35% by weight of (a), based on a total weight of the formulation. 6. The cosmetic formulation of claim 5, wherein the formulation comprises up to 25% by weight of (a). 7. The cosmetic formulation of claim 6, wherein the formulation comprises up to 20% by weight of (a). 8. The cosmetic formulation of claim 1, wherein the formulation comprises from 0.1% to 10% by weight of (b), based on a total weight of the formulation. 9. The cosmetic formulation of claim 8, wherein the formulation comprises up to 8% by weight of (b). 10. The cosmetic formulation of claim 1, wherein (b) consists of mandelic acid. 11. The cosmetic formulation of claim 1, wherein the formulation is transparent. 12. The cosmetic formulation of claim 1, wherein the formulation has a defined yield point. 13. The cosmetic formulation of claim 1, wherein the formulation has a yield point of from 40 to 120 Pa, determined at 25° C. by means of a shear stress time ramp of 40 Pa/min. 14. The cosmetic formulation of claim 1, wherein the formulation does not leave behind residues when applied to skin. 15. The cosmetic formulation of claim 1, wherein the formulation is present as a gel. 16. The cosmetic formulation of claim 1, wherein the formulation is present as a transparent hydrogel. 17. A antiperspirant cosmetic formulation, wherein the formulation is transparent and comprises (a) activated aluminium chlorohydrate, (b) mandelic acid and (c) water, a ratio (a):(b) being from 12:1 to 2:1. 18. The cosmetic formulation of claim 17, wherein the ratio of (a) to (b) is from 10:1 to 2.5:1. 19. The cosmetic formulation of claim 17, wherein the formulation comprises from 1% to 20% by weight of (a) and from 0.1% to 8% by weight of (b), each based on a total weight of the formulation. 20. The cosmetic formulation of claim 19, wherein the formulation comprises at least 5% by weight of (a) and at least 1.4% by weight of (b), each based on a total weight of the formulation. 21. The cosmetic formulation of claim 17, wherein the formulation has a defined yield point. 22. The cosmetic formulation of claim 17, wherein the formulation has a yield point of from 40 to 120 Pa, determined at 25° C. by means of a shear stress time ramp of 40 Pa/min. 23. The cosmetic formulation of claim 17, wherein the formulation does not leave behind residues when applied to skin. 24. The cosmetic formulation of claim 17, wherein the formulation is present as a gel. 25. The cosmetic formulation of claim 17, wherein the formulation is present as a transparent hydrogel. 26. The cosmetic formulation of claim 17, wherein the formulation comprises an O/W microemulsion. 27. The cosmetic formulation of claim 17, wherein the formulation comprises a microemulsion gel. 28. The cosmetic formulation of claim 27, wherein the formulation comprises an oil-in-water microemulsion which comprises an oil phase, a water phase and less than 20% by weight of one or more emulsifiers, based on a total weight of the microemulsion. 29. The cosmetic formulation of claim 28, wherein the one more emulsifiers comprise one or more O/W emulsifiers selected from polyethoxylated, polypropoxylated and polyethoxylated and polypropoxylated O/W emulsifiers and one or more optional W/O emulsifiers.
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