Anhydrous composition comprising a magnesium salt

Abstract

The present invention relates to an anhydrous composition comprising:at least 0.3% by weight of active material of magnesium salt(s) relative to the total weight of the composition;at least one hydrocarbon-based plant oil; andat least one fatty acid ester. The invention also relates to a process for the cosmetic treatment of body odor associated with human perspiration, especially underarm odor, and optionally human perspiration, comprising the step of applying a composition as defined above to a skin surface.

Claims

1. An anhydrous composition, wherein the composition is in the form of an aerosol composition, comprising: from 0.3% to 5% by weight of active material of magnesium salt(s) relative to the total weight of the aerosol composition; from 1% to 30% by weight of at least one hydrocarbon plant oil relative to the total weight of the aerosol composition, wherein the at least one hydrocarbon plant oil is selected from the group consisting of liquid triglycerides of fatty acids containing 4 to 24 carbon atoms, wheatgerm oil, olive oil, sweet almond oil, palm oil, rapeseed oil, coconut oil, cottonseed oil, alfalfa oil, poppy oil, pumpkin oil, marrow oil, blackcurrant oil, evening primrose oil, millet oil, barley oil, quinoa oil, rye oil, safflower oil, candlenut oil, passionflower oil, musk rose oil, sunflower oil, corn oil, soybean oil, grapeseed oil, sesame seed oil, hazelnut oil, apricot oil, macadamia oil, castor oil, avocado oil, caprylic/capric acid triglycerides, jojoba oil, shea butter oil, and mixtures thereof; and from 1% to 30% by weight of at least one fatty acid ester relative to the total weight of the aerosol composition, wherein the at least one fatty acid ester is chosen from isopropyl palmitate, isopropyl myristate, isonorryl isononanoate and C.sub.12-C.sub.15 alkyl benzoate, and mixtures thereof, or wherein the composition is in the form of a stick composition, comprising: from 5% to 25% by weight of active material of magnesium salt(s) relative to the total weight of the stick composition; from 1% to 30% by weight of at least one hydrocarbon plant oil relative to the total weight of the stick composition. wherein the at least one hydrocarbon plant oil is selected from the group consisting of liquid triglycerides of fatty acids containing 4 to 24 carbon atoms, wheatgerm oil, olive oil, sweet almond oil, palm oil, rapeseed oil, coconut oil, cottonseed oil, alfalfa oil, poppy oil, pumpkin oil, marrow oil, blackcurrant oil, evening primrose oil, millet oil, barley oil, quinoa oil, rye oil, safflower oil, candlenut oil, passionflower oil, musk rose oil, sunflower oil, corn oil, soybean oil, grapeseed oil, sesame seed oil, hazelnut oil, apricot oil, macadamia oil, castor oil, avocado oil, caprylic/capric acid triglycerides, jojoba oil, shea butter oil, and mixtures thereof, and from 1% to 30% b weight of at least one fatty acid ester relative to the total weight of the stick composition, wherein the at least one fatty acid ester is chosen from isopropyl palmitate, isopropyl myristate, isononyl isononanoate and C.sub.12-C.sub.15 alkyl benzoate, and mixtures thereof, wherein the aerosol composition and the stick composition are in the form of a. deodorant, wherein the aerosol composition and the stick composition are free of aluminum salts or aluminum complexes, and wherein the at least one hydrocarbon plant oil is/are present in the aerosol composition and the stick composition in an amount ranging from 10% to 90% by weight relative to the total weight amount of oil present, respectively, in the aerosol composition and the stick composition.

2. The aerosol composition or the stick composition as claimed in claim 1, wherein the magnesium salt(s) is chosen from magnesium oxide, magnesium carbonate, magnesium hydroxide and magnesium bicarbonate.

3. The aerosol composition or the stick composition as claimed in claim 1, wherein the magnesium salt(s) is magnesium oxide.

4. The aerosol composition as claimed in claim 1, wherein the magnesium salt(s) are present in a content ranging from 0.5% to 2% by weight of active material relative to the total weight of the aerosol composition.

5. The stick composition as claimed in claim 1, wherein the magnesium salt(s) are present in a content ranging from 10% to 20% by weight relative to the total weight of the stick composition.

6. The aerosol composition or the stick composition as claimed in claim 1, comprising from 1% to 20% by weight of the at least one hydrocarbon plant oil, relative to the total weight respectively of the aerosol composition or the stick composition.

7. The aerosol composition or the stick composition as claimed in claim 1, wherein the at least one hydrocarbon plant oil is coconut oil.

8. The aerosol composition or the stick composition as claimed in claim 1, wherein the at least one fatty acid ester is chosen from isopropyl palmitate, isopropyl myristate, isononyl isononanoate and C.sub.12-C.sub.15 alkyl benzoate, and mixtures thereof.

9. The aerosol composition or the stick composition as claimed in claim 1, wherein the at least one fatty acid ester is isopropyl palmitate.

10. The aerosol composition or the stick composition as claimed in claim 1, comprising from 2% to 20% by weight of the at least one fatty acid ester relative to the total weight respectively of the aerosol composition or the stick composition.

11. The aerosol composition as claimed claim 1, comprising at least one volatile oil.

12. The aerosol composition as claimed in claim 1, comprising at least one propellant.

13. The aerosol composition or the stick composition as claimed in claim 7, wherein the at least one fatty acid ester is isopropyl palmitate.

14. The aerosol composition or the stick composition as claimed in claim 3, wherein the at least one hydrocarbon plant oil is coconut oil.

15. The aerosol composition or the stick composition as claimed in claim 3, wherein the at least one fatty acid ester is isopropyl palmitate.

16. The aerosol composition or the stick composition as claimed in claim 14, wherein the at least one fatty acid ester is isopropyl palmitate.

17. A process for the cosmetic treatment of body odor associated with human perspiration, comprising applying the aerosol composition or the stick composition as claimed in claim 1 to a skin surface.

18. The aerosol composition or the stick composition as claimed in claim 1, comprising from 1% to 15% by weight of the at least one hydrocarbon plant oil relative to the total weight respectively of the aerosol composition or the stick composition.

19. The aerosol composition or the stick composition as claimed in claim 1, wherein the at least one hydrocarbon plant oil is chosen from castor oil, sweet almond oil, coconut oil, and mixtures thereof.

20. The aerosol composition or the stick composition as claimed in claim 1, comprising from 3% to 15% by weight of the at least one fatty acid ester relative to the total weight respectively of the aerosol composition or the stick composition.

Description

EXAMPLES

Examples 1 and 2

(1) Two deodorant compositions in aerosol form according to the invention and outside the invention were prepared according to the procedure described below.

(2) The composition of the two formulations is detailed in the table below. The amounts indicated are weight percentages relative to the total weight of the composition.

(3) TABLE-US-00001 Composition 1 (according Composition to the 2 (outside the Compounds Trade name INCI name invention) invention) Distearyldimethylammonium- Bentone 38VCG Disteardimonium 0.25 0.25 modified hectorite from Elementis hectorite Magnesium oxide Magnesio Oxide Magnesium oxide 1.5 1.5 Light from Dr Paul Lohmann Refined copra oil Refined copra Cocos nucifera 2 / oil GV 24/26 Oil from Sio (ADM) Fragrance / Fragrance 1.1 1.1 polydimethylsiloxane (viscosity: Xiameter PMX- Dimethicone 1.5 1.5 10 cSt) 200 Silicone Fluid 10 CS from Dow Corning ,-Dihydroxylated Xiameter PMX- Dimethicone 0.6 0.6 polydimethylsiloxane/polydimethylsiloxane 1503 Fluid from (and) mixture 5 cSt; Dow Corning Dimethiconol Propylene carbonate Jeffsol Propylene 0.08 0.08 propylene from carbonate Huntsman Isododecane Isododecane Isododecane 3 3 from Ineos Isopropyl palmitate Isopropyl Isopropyl 4.97 6.97 palmitate from palmitate Cognis (BASF) Isobutane / Isobutane 85 85

(4) The composition is prepared by preliminary mixing of the oils with stirring.

(5) The magnesium oxide is then dispersed in the mixture at high shear. The other ingredients are then added at high shear.

(6) Finally, the aerosols are prepared by pressurizing 15 g of composition with 85 g of liquefied isobutane gas.

(7) Results Regarding the Transfer-Resistance Efficacy

(8) Method for evaluating the white marks:

(9) Each of the compositions to be studied is deposited on an imitation leather article sold under the name Supplale by the company Idemitsu Technofine, which is bonded onto a rigid support. This deposition is performed by spraying the aerosol for 2 seconds at a distance of 15 cm from the support.

(10) The fabric is scanned with a scanner sold under the name Epson V500 Scanner (settings:16-bit grayscale, resolution of 300 dpi).

(11) The transfer evaluation is performed by observation of the residual deposit on the synthetic leather plate.

(12) The aerosols obtained from Example 1 (according to the invention) comprising coconut oil and those obtained from Example 2 (outside the invention) without coconut oil were sprayed under the conditions described above and the results obtained are described in the table below:

(13) TABLE-US-00002 Composition 1 Composition 2 (according to the (outside the Aerosol invention) invention) Evaluation of white marks Good Poor

(14) The marks obtained with composition 1 according to the invention are much less pronounced than those obtained with composition 2 outside the invention.

Example 3

(15) A deodorant composition according to the invention in stick form was prepared according to the process described below. The composition of this formulation is detailed in the table below. The amounts indicated are weight percentages relative to the total weight of the composition.

(16) TABLE-US-00003 Composition 3 (according to the Compounds Trade name INCI name invention) Polydimethylsiloxane Element14 PDMS 10-A from Dimethicone 14 Momentive Magnesium oxide Magnesio Oxide Light from Dr Magnesium oxide 15 Paul Lohmann Refined copra oil Refined copra oil GV 24/26 from Cocos nucifera oil 10 Sio (ADM) PPG-14 butyl ether Fluid AP, Low Odor from PPG-14 butyl ether 10 Amerchol Isopropyl myristate Isopropyl myristate from BASF Isopropyl myristate 15 Hydrogenated polydecene Silkflo 366 Polydecene from Hydrogenated 16 Ineos polydecene Synthetic wax Cirebelle 303 from Cirebelle Synthetic Wax 5 Polyethylene glycol 400 PEG 400 distearate (Dub DS PEG PEG-8 Distearate 2.5 distearate 8) from Stearineries Dubois Synthetic wax Cirebelle 108 from Cirebelle Synthetic Wax 12 Fragrance / Fragrance 0.5

(17) The cyclomethicone is heated to 65 C. The other ingredients are added one by one at a temperature of 65-70 C. The whole is homogenized for 15 minutes.

(18) The mixture is cooled to about 55 C. (a few degrees above the thickening point of the mixture) and is poured into sticks. The whole is maintained at 4 C. for 30 minutes.

(19) The stick obtained produces a dry, non-greasy deposit, while at the same time maintaining good antiperspirant efficacy.

Examples 4 and 5

(20) Two deodorant compositions in aerosol form according to the invention were prepared according to the process described below and compared with composition 2 above outside the invention.

(21) The compositions are detailed in the table below. The amounts indicated are weight percentages relative to the total weight of the composition.

(22) TABLE-US-00004 Composition Composition 4 5 (according (according to to the Trade name INCI name the invention) invention) Bentone 38VCG from Disteardimonium hectorite 0.25 0.25 Elementis Magnesio Oxide Light from Magnesium oxide 1.5 1.5 Dr Paul Lohmann Pharmaceutical castor oil Ricinus communis 2 / (Castor) Seed Oil Virgin biological sweet Prunus amygdalus duclis / 2 almond oil (Sweet Almond) Oil / Fragrance 1.1 1.1 Xiameter PMX-200 Silicone Dimethicone 1.5 1.5 Fluid 10 CS from Dow Corning Xiameter PMX-1503 Fluid Dimethicone (and) 0.6 0.6 from Dow Corning Dimethiconol Jeffsol propylene from Propylene carbonate 0.08 0.08 Huntsman Isododecane from Ineos Isododecane 3 3 Isopropyl palmitate from Isopropyl palmitate 4.97 4.97 Cognis (BASF) / Isobutane 85 85

(23) The composition is prepared by preliminary mixing of the oils with stirring.

(24) The magnesium oxide is then dispersed in the mixture at high shear. The other ingredients are then added at high shear.

(25) Finally, the aerosols are prepared by pressurizing 15 g of composition with 85 g of liquefied isobutane gas.

(26) Results regarding the transfer-resistance efficacy:

(27) Each of the compositions is evaluated according to the method for evaluating white marks detailed above in Examples 1 and 2.

(28) The aerosols obtained from Examples 4 and 5 (according to the invention) comprising an oil required according to the invention and those obtained from Example 2 (outside the invention) without oil required according to the invention were sprayed under the conditions described previously and the results obtained are described in the table below:

(29) TABLE-US-00005 Composition 4 Composition 5 Composition 2 (according to (according to the (outside the Aerosol the invention) invention) invention) Evaluation of Good Good Poor white marks

(30) The marks obtained with compositions 4 and 5 according to the invention are much less pronounced than those obtained with composition 2 outside the invention.