Cosmetic foam compositions comprising UV sunscreens and mineral fillers

Abstract

The present invention relates to a cosmetic composition in the foam form comprising, in a physiologically acceptable medium, at least one aqueous phase, talc and one UV sunscreen ingredient. It also relates to a cosmetic composition in the foam form comprising, in a physiologically acceptable medium, at least one aqueous phase, at least 1% by weight of at least one mineral filler relative to its total weight, and one UV sunscreen ingredient.

Claims

1. A cosmetic composition in a foam form comprising, in a physiologically acceptable medium: at least one aqueous phase, at least 3% by weight of talc relative to the total weight of the composition, at least 3% by weight relative to the total weight of the composition of at least one organic UV sunscreen ingredient selected from the group consisting of ethylhexyl methoxycinnamate, octocrylene and ethylhexyl salicylate, and their mixtures, and at least 1% by weight of silica relative to the total weight of the composition; wherein the cosmetic composition has a V.sub.2/V.sub.1 ratio of greater than 0.85, with the V.sub.2/V.sub.1 ratio corresponding to the ratio between the volume of the composition in the foam form after 10 minutes (V.sub.2) and the volume of the composition in the foam form after 10 seconds (V.sub.1).

2. The composition according to claim 1, comprising at least 5% by weight of talc relative to the total weight of the composition.

3. The composition according to claim 1, having a density of less than or equal to 0.12 g/cm.sup.3.

4. The composition according to claim 1, comprising from 1 to 10% by weight of silica relative to the total weight of the composition.

5. The composition according to claim 1, including talc and silica in a weight ratio of talc/silica ranging from 1 to 10.

6. The composition according to claim 1, comprising from 3 to 30% by weight of UV sunscreen ingredient relative to the total weight of the composition.

7. The composition according to claim 1, comprising at least 30% by weight of water and/or water-soluble solvent(s) relative to the total weight of the composition.

8. A product comprising: a) a container defining at least one compartment; b) a cosmetic composition contained in said compartment, said composition comprising, in a physiologically acceptable medium, at least one aqueous phase, at least 3% by weight of talc relative to the total weight of the composition, and at least 3% by weight relative to the total weight of the composition of at least one organic UV sunscreen ingredient selected from the group consisting of ethylhexyl methoxycinnamate, octocrylene and ethylhexyl salicylate, and their mixtures, and at least 1% by weight of silica relative to the total weight of the composition; c) a propellant to pressurize said cosmetic composition inside said compartment; and d) a dispensing head having an opening to be selectively put in fluid communication with said compartment in order to deliver said pressurized cosmetic composition in the form of a foam, wherein the cosmetic composition in the form of a foam has a V.sub.2/V.sub.1 ratio of greater than 0.85, with the V.sub.2/V.sub.1 ratio corresponding to the ratio between the volume of the composition in the foam form after 10 minutes (V.sub.2) and the volume of the composition in the foam form after 10 seconds (V.sub.1).

9. The product according to claim 8, wherein the propellant is selected from the group consisting of carbon dioxide, nitrogen, nitrous oxide, isododecane or isohexadecane and volatile hydrocarbons, and mixtures thereof.

10. The product according to claim 9, wherein the propellant is a propane/butane mixture in a weight ratio of propane/butane ranging from 0.1 to 1.

11. The product according to claim 8, comprising from 1% to 10% by weight of propellant relative to the total weight of the composition.

12. A kit comprising the product according to claim 8 and an applicator.

13. A process for caring for and/or making up the body, comprising the application to the surface to be treated and/or made up of a composition in the foam form as defined in claim 1.

14. A process for caring for and/or making up the body, comprising the application to the surface to be treated and/or made up of a composition in the foam form as delivered by the product according to claim 8.

15. The composition according to claim 1, comprising talc in an amount ranging from 3 to 8% by weight relative to the total weight of the composition.

16. The composition according to claim 1, wherein silica is surface-treated silica.

17. The composition according to claim 1, comprising silica in an amount ranging from 1 to 3% by weight relative to the total weight of the composition.

18. The composition according to claim 1, comprising talc and silica in a weight ratio of talc/silica ranging from 0.5 to 1.5.

19. The composition according to claim 1, comprising at least an organic UV sunscreen ingredient selected from the group consisting of octocrylene, ethylhexyl salicylate, and their mixtures.

20. The composition according to claim 1, comprising at least 5% by weight of the at least one organic UV sunscreen ingredient relative to the total weight of the composition.

21. The composition according to claim 1, wherein the organic UV sunscreen ingredient is ethylhexyl methoxycinnamate.

22. The product according to claim 8, wherein the organic UV sunscreen ingredient is ethylhexyl methoxycinnamate.

23. A kit comprising the product according to claim 22 and an applicator.

24. The composition according to claim 1, wherein the organic UV sunscreen ingredient is ethylhexyl salicylate.

25. The product according to claim 8, wherein the organic UV sunscreen ingredient is ethylhexyl salicylate.

26. A kit comprising the product according to claim 25 and an applicator.

27. The composition according to claim 1, wherein the organic UV sunscreen ingredient is octocrylene.

28. The product according to claim 8, wherein the organic UV sunscreen ingredient is octocrylene.

29. A kit comprising the product according to claim 28 and an applicator.

30. A cosmetic composition in a foam form comprising, in a physiologically acceptable medium: at least one aqueous phase, at least 3% by weight of talc relative to the total weight of the composition, at least 1% by weight relative to the total weight of the composition of ethylhexyl methoxycinnamate, and at least 1% by weight of silica relative to the total weight of the cosmetic composition; wherein the cosmetic composition has a V.sub.2/V.sub.1 ratio of greater than 0.85, with the V.sub.2/V.sub.1 ratio corresponding to the ratio between the volume of the composition in the foam form after 10 minutes (V.sub.2) and the volume of the composition in the foam form after 10 seconds (V.sub.1).

31. A product comprising: a) a container defining at least one compartment; b) a cosmetic composition contained in said compartment, said composition comprising, in a physiologically acceptable medium, at least one aqueous phase, at least 3% by weight of talc relative to the total weight of the composition, and at least 1% by weight relative to the total weight of the composition of ethylhexyl methoxycinnamate, and at least 1% by weight of silica relative to the total weight of the composition; c) a propellant to pressurize said cosmetic composition inside said compartment; and d) a dispensing head having an opening to be selectively put in fluid communication with said compartment in order to deliver said pressurized cosmetic composition in the form of a foam, wherein the cosmetic composition in the form of a foam has a V.sub.2/V.sub.1 ratio of greater than 0.85, with the V.sub.2/V.sub.1 ratio corresponding to the ratio between the volume of the composition in the foam form after 10 minutes (V.sub.2) and the volume of the composition in the foam form after 10 seconds (V.sub.1).

32. A kit comprising the product according to claim 31 and an applicator.

Description

EXAMPLES

(1) The examples which follow are presented by way of illustration and without limitation of the invention. Unless otherwise indicated, the amounts are given as percent by weight.

Example 1

(2) The following base compositions were prepared (the ingredients are named by their INCI name and their content is expressed in weight %).

(3) TABLE-US-00001 5 INCI name 1 2 3 4 (comparative) titanium dioxide (and) silica 10.00 10.00 10.00 10.00 10.00 (and) aluminium hydroxide (and) alginic acid talc 4.79 4.79 4.79 4.79 4.79 silica (and) methicone 3.00 3.00 3.00 3.00 3.00 iron oxides (and) silica 0.14 0.14 0.14 0.14 0.14 iron oxides (and) silica 0.04 0.04 0.04 0.04 0.04 iron oxides (and) silica 0.03 0.03 0.03 0.03 0.03 calcium carbonate 2.00 2.00 2.00 2.00 2.00 ethylhexyl 7.50 5.00 3.00 1.00 0.00 methoxycinnamate water 54.91 57.41 59.41 61.41 62.41 sea water 10.00 10.00 10.00 10.00 10.00 dipotassium grycyrrhizate 0.20 0.20 0.20 0.20 0.20 sodium hyaluronate 0.01 0.01 0.01 0.01 0.01 betaine 1.00 1.00 1.00 1.00 1.00 sodium dehydroacetate 0.20 0.20 0.20 0.20 0.20 glycerin 2.00 2.00 2.00 2.00 2.00 ethylhexyglycerin 0.30 0.30 0.30 0.30 0.30 caprylyl glycol 0.50 0.50 0.50 0.50 0.50 butylene glycol 2.00 2.00 2.00 2.00 2.00 PEG-12 dimethicone 1.00 1.00 1.00 1.00 1.00 phenoxyethanol 0.25 0.25 0.25 0.25 0.25 tocopheryl acetate 0.01 0.01 0.01 0.01 0.01 fragrance 0.02 0.02 0.02 0.02 0.02 propylene glycol (and) 0.10 0.10 0.10 0.10 0.10 hexylene glycol (and) hamamelis virginiana (witch hazel) extract

(4) a) Procedure

(5) 1. Powder phase is mixed by powder mixer

(6) 2. Mixed powder phase is added in main kettle

(7) 3. Heated water phase (75-85 C.) is added in main kettle

(8) 4. Heated oil phase (75-85 C.) is added in main kettle

(9) 5. Homogenized in main kettle

(10) 6. After mixing, cooled by room temperature

(11) 7. Added surfactant and fragrance phase in main kettle

(12) 8. Homogenized in main kettle

(13) 9. Finish to make bulk

(14) (Filling Process)

(15) 10. Pour bulk in the aerosol package

(16) 11. Add LPG in aerosol package (5%, 0.31 MPa)

(17) b) Density

(18) The density of these compositions in the foam form has been measured according to the protocol described above, according to the convention

(19) $=\frac{M_2-M_1}{50}$

(20) The results are presented in the following table:

(21) TABLE-US-00002 Composition 5 1 2 3 4 (comparative) Density (g/cm.sup.3) 0.069 0.064 0.076 0.087 0.063 after expanding in volume

(22) All these compositions in the foam form have a density of less than 0.12 g/cm.sup.3 (even of less than 0.10 g/cm.sup.3), this density being measured at a temperature of about 20 C. and at atmospheric pressure.

(23) c) Stability

(24) The stability of these compositions in the foam form has then been assessed according to the previously detailed protocol, via the volume ratio

(25) $\frac{V_2}{V_1}$
corresponding to the ratio between the volume of the composition in the foam form after 10 minutes and the volume of the composition in the foam form after 10 seconds.

(26) The results are presented in the following table:

(27) TABLE-US-00003 Composition 1 2 3 4 5 (comparative) $\frac{V_2}{V_1}$ greater than 0.95 less than 0.15

(28) The compositions in the foam form further comprising a UV sunscreen ingredient in accordance with the invention exhibit a satisfactory stability over time.

(29) Thus, only the compositions in the foam form in accordance with the instant invention exhibit, at the same time, an improved density and foam stability over time.

Example 2

(30) The following base compositions were prepared (the ingredients are named by their INCI name and their content is expressed in weight %).

(31) TABLE-US-00004 INCI name 6 7 8 9 10 11 titanium 10.00 10.00 10.00 10.00 10.00 10.00 dioxide (and) silica (and) aluminium hydroxide (and) alginic acid talc 3.00 7.79 1.00 4.79 7.79 1.00 silica (and) methicone 4.79 1.00 7.79 3.00 1.00 7.79 iron oxides (and) silica 0.14 0.14 0.14 0.14 0.14 0.14 iron oxides (and) silica 0.04 0.04 0.04 0.04 0.04 0.04 iron oxides (and) silica 0.03 0.03 0.03 0.03 0.03 0.03 calcium carbonate 2.00 2.00 2.00 2.00 2.00 2.00 Octocrylene 1.00 1.00 1.00 0 0 0 ethylhexyl salicylate 0 0 0 1.00 1.00 1.00 water 62.41 61.41 61.41 62.41 61.41 61.41 sea water 10.00 10.00 10.00 10.00 10.00 10.00 dipotassium grycyrrhizate 0.20 0.20 0.20 0.20 0.20 0.20 sodium hyaluronate 0.01 0.01 0.01 0.01 0.01 0.01 betaine 1.00 1.00 1.00 1.00 1.00 1.00 sodium dehydroacetate 0.20 0.20 0.20 0.20 0.20 0.20 glycerin 2.00 2.00 2.00 2.00 2.00 2.00 ethylhexyglycerin 0.30 0.30 0.30 0.30 0.30 0.30 caprylyl glycol 0.50 0.50 0.50 0.50 0.50 0.50 butylene glycol 2.00 2.00 2.00 2.00 2.00 2.00 PEG-12 dimethicone 1.00 1.00 1.00 1.00 1.00 1.00 phenoxyethanol 0.25 0.25 0.25 0.25 0.25 0.25 tocopheryl acetate 0.01 0.01 0.01 0.01 0.01 0.01 fragrance 0.02 0.02 0.02 0.02 0.02 0.02 propylene glycol (and) 0.10 0.10 0.10 0.10 0.10 0.10 hexylene glycol (and) hamamelis virginiana (witch hazel) extract

(32) These compositions have been prepared according to the procedure detailed in Example 1.

(33) b) Density

(34) The density of these compositions has been measured according to the protocol described in Example 1.

(35) The results are presented in the following table:

(36) TABLE-US-00005 Composition 6 7 8 9 10 11 Density 0.066 0.065 0.074 0.066 0.068 0.072

(37) c) Stability

(38) The foam stability has been measured according to the protocol described in Example 1.

(39) The results are presented in the following table:

(40) TABLE-US-00006 Composition 6 7 8 9 10 11 $\frac{V_2}{V_1}$ greater than 0.95 greater than 0.90 greater than 0.95 greater than 0.90 greater than 0.95 greater than 0.95

(41) All the compositions in accordance with the invention exhibit a satisfactory stability over time.