Cosmetic shaving stick

Abstract

Disclosed is a cosmetic product comprising a cosmetic stick composition that comprises one or more fatty acids and/or salts thereof, one or more anionic surfactants selected from alkyl sulfates, alkyl ether sulfates and alkylbenzenesulfonates, and glycerol as well as an application container which contains the stick composition.

Claims

1. A cosmetic product comprising (a) a cosmetic stick composition comprising in by weight based on a total weight of the stick composition (i) from 10% to 25% of one or more fatty acids having a saturated or unsaturated, linear or branched alkyl group having from 8 to 20 carbon atoms and/or one or more salts thereof; (ii) from 8% to 25% by weight of one or more anionic surfactants selected from one or more of alkyl sulfates and alkyl ether sulfates of formula
R.sub.1(OCH.sub.2CH.sub.2).sub.nOSO.sub.3.sup.M.sup.+ where R.sub.1 is a saturated or unsaturated, linear or branched alkyl group having from 8 to 24 carbon atoms, n=0 or an integer of from 1 to 12, and M.sup.+ is an alkali metal ion, alkaline earth metal ion and/or an ammonium ion, and alkylbenzenesulfonates of formula ##STR00003## where R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each independently represent hydrogen or an alkyl group having from 1 to 12 carbon atoms, at least one of R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 being different from hydrogen, and M.sup.+ is an alkali metal ion, alkaline earth metal ion and/or an ammonium ion; and (iii) from 8% to 20% by weight of glycerol; and (b) an application container comprising the cosmetic stick composition.

2. The cosmetic product of claim 1, wherein a total proportion of (i) in the cosmetic stick composition is from 12% to 20%.

3. The cosmetic product of claim 1, wherein a total proportion of (i) in the cosmetic stick composition is from 13% to 19%.

4. The cosmetic product of claim 1, wherein (i) comprises one or more of lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, oleic acid and linoleic acid and/or one or more salts of these acids.

5. The cosmetic product of claim 1, wherein (i) comprises one or more of triethanolamine stearate, triethanolamine palmitate, triethanol myristate, triethanol laurate, potassium stearate, potassium palmitate, potassium myristate, potassium laurate, sodium stearate, sodium palmitate, sodium myristate, sodium laurate.

6. The cosmetic product of claim 1, wherein the composition comprises from 10% to 20% by weight of (ii).

7. The cosmetic product of claim 1, wherein the composition comprises from 12% to 18% by weight of (ii).

8. The cosmetic product of claim 1, wherein (ii) comprises one or more of sodium myristyl ether sulfate, sodium lauryl ether sulfate, ammonium lauryl ether sulfate, ammonium lauryl sulfate, sodium lauryl sulfate, sodium coco sulfate, sodium 2,4-dimethylbenzenesulfonate.

9. The cosmetic product of claim 1, wherein a proportion by weight of ethoxylated anionic surfactants to non-ethoxylated anionic surfactants in (ii) is from 2:1 to 1:2.

10. The cosmetic product of claim 1, wherein a proportion by weight of ethoxylated anionic surfactants to non-ethoxylated anionic surfactants in (ii) is from 1.5:1 to 1:1.5.

11. The cosmetic product of claim 1, wherein the cosmetic stick composition exhibits a penetration force value at 20 C. in a range of from 20 g to 120 g, the penetration force value being determined by driving a stainless steel needle of 1 mm diameter, having a pointed cone with a tapering of 18 and a cone length of 5.5 mm, 5 mm deep into the stick composition at a measurement speed of 2 mm/s.

12. The cosmetic product of claim 1, wherein the cosmetic stick composition comprises from 25% to 45% by weight of water.

13. The cosmetic product of claim 1, wherein the cosmetic stick composition further comprises one or more skin-moistening additives selected from methylpropanediol, sorbitol and propylene glycol.

14. The cosmetic product of claim 1, wherein the stick composition has a pH of from 9 to 11.

15. The cosmetic product of claim 1, wherein the cosmetic stick composition is free of mineral hydrocarbon oils and waxes.

16. The cosmetic product of claim 1, wherein the cosmetic stick composition is free of preservatives.

17. The cosmetic product of claim 1, wherein the cosmetic stick composition is free of aluminum salts.

18. The cosmetic product of claim 1, wherein the cosmetic stick composition has a cylindrical shape having a diameter of from 3 cm to 5 cm.

19. The cosmetic product of claim 1, wherein the cosmetic stick composition further comprises from 7% to 14% by weight of propylene glycol.

20. The cosmetic product of claim 1, wherein the cosmetic stick composition further comprises from 5% to 10% by weight of sorbitol.

Description

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

(1) The following examples 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 total weight of the cosmetic stick compositions.

(2) TABLE-US-00001 INCI Ex. 1 Ex. 2 Ex. 3 Ex. 4 Propylene Glycol 9.5 8.9 11.1 10.1 Sodium Stearate 9.5 8.7 9.7 9.3 Sodium Laureth Sulfate 7.6 10.1 9.8 7.1 Glycerol 12.6 18.1 14.5 11.8 Sorbitol 7.6 5.2 8.1 6.9 Sodium Cocoate 5.7 6.3 5.4 6.1 Sodium Xylene Sulfonate 5.7 3.0 6.0 5.2 Sodium Lauryl Sulfate 2.3 5.0 2.0 2.2 Stearic Acid 1.5 2.0 1.8 1.3 Tetra Sodium EDTA 0.04 0.1 0.06 Tetra Sodium Etidronate 0.03 0.1 0.02 Titanium Dioxide 0.03 0.08 0.01 0.1 Panthenol 0.7 0.2 0.9 0.3 Aloe Barbadensis 0.01 0.02 0.01 0.01 Leaf Juice Powder Perfume 0.8 1.5 0.3 0.6 Aqua to 100 to 100 to 100 to 100

(3) The cosmetic product according to the invention is obtained by melting the ingredients and, after mixing, directly filling the molten mass into the application container. After cooling to room temperature, the cosmetic product according to the invention is obtained. The cosmetic stick composition according to Example I has a penetration force value of 66.3 g.