Cosmetic sunscreen stick

Abstract

Cosmetic stick containing: a) one or more UV filters, b) a Fischer-Tropsch wax with a solidification point of 80-85° C. (measured according to ASTM D 938) and a penetration at 25° C. of 0.4-0.9 mm (measured according to ASTM D 1321), the preparation being free from 3-(4-methylbenzylidene)-camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone), 2-ethylhexyl 4-methoxycinnamate (INCI: Octyl Methoxycinnamate) and ethylhexyl-2-cyano-3,3-diphenylacrylate (INCI: Octocrylene).

Claims

1. A cosmetic stick preparation, wherein the preparation comprises (a) one or more UV filters, and (b) a Fischer-Tropsch wax having a solidification point, measured according to ASTM D 938, of 80-85° C., and a penetration at 25° C., measured according to ASTM D 1321, of 0.4-0.9 mm, and wherein the preparation is free of 3-(4-methylbenzylidene)camphor, 2-hydroxy-4-methoxybenzophenone, 2-ethylhexyl 4-methoxycinnamate and ethylhexyl 2-cyano-3,3-diphenylacrylate.

2. The cosmetic stick preparation of claim 1, wherein the preparation comprises the Fischer-Tropsch wax in a concentration of from 1% to 20% by weight relative to a total weight of the preparation.

3. The cosmetic stick preparation of claim 1, wherein the preparation comprises the Fischer-Tropsch wax in a concentration of from 5% to 20% by weight relative to a total weight of the preparation.

4. The cosmetic stick preparation of claim 1, wherein the preparation comprises the Fischer-Tropsch wax in a concentration of from 7% to 15% by weight relative to a total weight of the preparation.

5. The cosmetic stick preparation of claim 1, wherein the preparation comprises one or more UV filters selected from 4-(tert-butyl)-4′-methoxydibenzoylmethane, 2,4,6-tris[anilino(p-carbo-2′-ethyl-1′-hexyloxy)]-1,3,5-triazine, 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]phenyl}-6-(4-methoxyphenyl)-1,3,5-triazine, 2-ethylhexyl 2-hydroxybenzoate, and 3,3,5-trimethylcyclohexyl 2-hydroxybenzoate.

6. The cosmetic stick preparation of claim 1, wherein the preparation comprises at least three UV filters selected from 4-(tert-butyl)-4′-methoxydibenzoylmethane, 2,4,6-tris[anilino(p-carbo-2′-ethyl-1′-hexyloxy)]-1,3,5-triazine, 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]phenyl}-6-(4-methoxyphenyl)-1,3,5-triazine, 2-ethylhexyl 2-hydroxybenzoate, and 3,3,5-trimethylcyclohexyl 2-hydroxybenzoate.

7. The cosmetic stick preparation of claim 1, wherein the preparation comprises 4-(tert-butyl)-4′-methoxydibenzoylmethane, 2,4,6-tris[anilino(p-carbo-2′-ethyl-1′-hexyloxy)]-1,3,5-triazine, 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]phenyl}-6-(4-methoxyphenyl)-1,3,5-triazine, 2-ethylhexyl 2-hydroxybenzoate, and 3,3,5-trimethylcyclohexyl 2-hydroxybenzoate.

8. The cosmetic stick preparation of claim 1, wherein the preparation comprises 4-(tert-butyl)-4′-methoxydibenzoylmethane in a concentration of from 0.1% to 10% by weight relative to a total weight of the preparation.

9. The cosmetic stick preparation of claim 1, wherein the preparation comprises 2,4,6-tris[anilino(p-carbo-2′-ethyl-1 ‘-hexyloxy)[-1,3,5-triazine in a concentration of from 0.1% to 5% by weight relative to a total weight of the preparation.

10. The cosmetic stick preparation of claim 1, wherein the preparation comprises 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]-phenyl}-6-(4-methoxyphenyl)-1,3,5-triazine in a concentration from 0.1% to 10% by weight relative to a total weight of the preparation.

11. The cosmetic stick preparation of claim 1, wherein the preparation further comprises silica and/or titanium dioxide.

12. The cosmetic stick preparation of claim 1, wherein the preparation further comprises one or more waxy constituents selected from C20-40 alkyl stearate, cetyl palmitate, myristyl myristate, shea butter.

13. The cosmetic stick preparation of claim 1, wherein the preparation comprises cetyl palmitate in a concentration of from 0.1% to 20% by weight relative to a total weight of the preparation.

14. The cosmetic stick preparation of claim 1, wherein the preparation comprises myristyl myristate in a concentration of from 0.1% to 20% by weight relative to a total weight of the preparation.

15. The cosmetic stick preparation of claim 1, wherein the preparation comprises C20-40 alkyl stearate in a concentration of from 0.1% to 20% by weight relative to a total weight of the preparation.

16. The cosmetic stick preparation of claim 1, wherein the preparation further comprises cetyl alcohol and/or stearyl alcohol.

17. The cosmetic stick preparation of claim 1, wherein the preparation further comprises one or more oily constituents selected from di-n-butyl adipate, C12-15 alkyl benzoate, butylene glycol dicaprylate/dicaprate, dimethicone.

18. The cosmetic stick preparation of claim 1, wherein the preparation is free of parabens, methylisothiazolinone, chloromethylisothiazolinone and DMDM hydantoin.

19. The cosmetic stick preparation of claim 1, wherein the preparation further comprises C20-C40 alkyl stearate, myristyl myristate, C12-C15 alkyl benzoate, dibutyl adipate, butylene glycol dicaprylate/dicaprate, dimethicone, cetyl palmitate, shea butter, cetyl alcohol, and stearyl alcohol.

20. A cosmetic stick, wherein the stick comprises the preparation of claim 1.

Description

DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION

(1) Examples

(2) The examples below are intended to illustrate the present invention, without restricting it. Unless otherwise stated, all amounts, proportions, and percent contents are relative to the weight and total amount/total weight of the preparations.

(3) TABLE-US-00002 INCI Ex. 8 Ex. 9 Ex. 10 Ex. 11 Ex. 12 Ex. 13 Synthetic Wax 11.00 11.00 11.00 11.00 11.00 9.00 C20-40 Alkyl Stearate 2.00 2.00 2.00 2.00 2.00 5.00 Myristyl Myristate 12.00 8.00 15.00 8.00 5.00 8.00 C12-15 Alkyl Benzoate 10.00 5.00 5.00 5.00 5.00 5.00 Dibutyl Adipate 7.00 7.00 2.00 2.00 2.00 1.00 Butylene Glycol 7.00 3.00 3.00 3.00 3.00 1.00 Dicaprylate/Dicaprate Dimethicone ad 100 ad 100 ad 100 ad 100 ad 100 ad 100 Cetyl Palmitate 12.00 12.00 5.00 15.00 12.00 12.00 Butyrospermum Parkii Butter 8.00 8.00 8.00 8.00 8.00 8.00 Cetearyl Alcohol 5.00 5.00 5.00 5.00 5.00 5.00 Stearyl Alcohol 5.00 5.00 5.00 5.00 5.00 5.00 Silica Dimethyl Silylate 0.00 5.00 1.00 1.00 1.00 1.00 Perfume q.s. q.s. q.s. q.s. q.s. q.s. Homosalate 0.00 0.00 9.00 9.00 9.00 9.00 Ethylhexyl Salicylate 3.00 4.50 4.75 4.75 4.75 4.75 Bis-Ethylhexyloxyphenol 1.00 3.00 4.00 4.00 4.00 4.00 Methoxyphenyl Triazine Ethylhexyl Triazone 0.50 2.00 3.50 3.50 3.50 3.50 Butyl 3.00 3.50 4.75 4.75 4.75 4.75 Methoxydibenzoylmethane Titanium Dioxide (nano) 0.00 0.00 0.82 0.82 0.82 0.82 Silica 0.00 0.00 0.15 0.15 0.15 0.15