Depilatory composition

Abstract

A depilatory cream composition comprising a depilatory active, and one or more volatile, essential oils selected from the group consisting of orange oil, cedarwood oil, patchouli oil, pine oil, cabreuva oil, guaiacwood oil, lavandin oil, bergamot oil, petitgrain paraguay oil, lavender oil, mint oil, Virginia cedarwood oil, Citrus Aurantium dulcis oil and Citrus grandis oil.

Claims

1. A depilatory cream composition comprising: a depilatory active selected from the group consisting of potassium thioglycolate, dithioerythritol, thioglycerol, thioglycol, thioxanthine, thiosalicylic acid, N-acetyl-L-cysteine, lipic acid, NaHSO.sub.3, Li.sub.2S, Na.sub.2S, K.sub.2S, MgS, CaS, SrS, BaS, (NH.sub.4).sub.2S, sodium dihydrolipoate 6,8-dithiooctanoate, sodium 6,8-dithiooctanoate, NaSH, KSH, thioglycolic acid, 2-mercaptopropionic acid, 3-mercaptopropionic acid, thiomalic acid, ammonium thioglycolate, glyceryl monothioglycolate, monoethanolamine thioglycolate, monoethanolamine, diammonium dithiodiglycolate, ammonium thiolactate, monoethanolamine thiolactate, thioglycolamide, homo-cysteine, cysteine, glutathione, dithiothreitol, dihydrolipoic acid, 1,3-dithiopropanol, thioglycolamide, thioglycolhydrazine, keratinase, hydrazine sulphate, hydrazine disulphate, triisocyanate, guanidine thioglycolate, calcium thioglycolate and cysteamine; and one or more volatile, essential oils selected from the group consisting of Citrus Aurantium dulcis oil and Citrus grandis oil; wherein the depilatory cream composition comprises 0.05 to 0.1 weight % volatile, essential oil; and wherein the depilatory cream composition has reduced malodour.

2. The composition as claimed in claim 1, wherein the composition further comprises a skin-enhancing agent.

3. The composition as claimed in claim 2 wherein the skin-enhancing agent is a talc.

4. The composition as claimed in claim 1, further comprising a humectant.

5. The composition as claimed in claim 4, wherein the humectant is glycerine.

6. The composition as claimed in claim 1, comprising 2 to 20 weight % depilatory active.

7. The composition as claimed in claim 6 wherein the depilatory active is potassium thioglycolate.

8. The composition as claimed in claim 1, further comprising 1 to 10 weight % emollient.

9. The composition as claimed in claim 8 wherein the emollient is mineral oil.

10. A method of depilation comprising: applying the composition of claim 1 to skin; allowing the composition a residence time on the skin in order to degrade hairs on the skin's surface; at the end of the residence time removing at least a portion of the composition and depilated hairs from the skin; and rinsing the skin.

11. The method of depilation according to claim 10, wherein the one or more volatile, essential oils reduces the production of volatile sulphur-containing compounds.

12. In a method of depilation producing unpleasant malodor when using a conventional depilatory cream comprising (i) applying the conventional depilatory cream to skin, (ii) allowing the cream a residence time on the skin in order to degrade hairs on the skin's surface, (iii) at the end of the residence time removing at least a portion of the cream and depilated hairs form the skin, and (iv) rinsing the skin, the improvement comprising the step of reducing the unpleasant malodor when using the conventional depilatory cream by replacing the conventional depilatory cream with the cream composition of claim 1, wherein the one or more volatile, essential oils of the cream composition of claim 1 reduces the unpleasant malodour produced with use of the conventional depilatory cream.

13. The method of depilation according to claim 12, wherein the composition comprises 0.05 weight % volatile, essential oil.

14. The method of depilation according to claim 12, wherein the composition further comprises a skin-enhancing agent.

15. The method of depilation according to claim 14, wherein the skin-enhancing agent is a talc.

16. The method of depilation according to claim 12, wherein the composition further comprises a humectant.

17. The method of depilation according to claim 16, wherein the humectant is glycerine.

18. The method of depilation according to claim 12, wherein the composition comprises 2 to 20 weight % depilatory active.

19. The method of depilation according to claim 12, wherein the depilatory active is potassium thioglycolate.

Description

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

(1) The composition may be removed from the skin by any means, for example using a sponge, spatula or scraper device.

(2) The following Examples further illustrate the present invention.

(3) TABLE-US-00001 Ex. 1 Ex. 2 Ex. 3 Ex. 4 Component (Wt %) (Wt %) (Wt %) (Wt %) Deionised Water 57.995 57.995 57.995 57.995 Urea 8.00 8.00 8.00 8.00 Paraffinum Liquidum 5.00 5.00 5.00 5.00 Cetearyl alcohol 30/70 4.40 4.40 4.40 4.40 Potassium thioglycolate 12.90 12.90 12.90 12.90 Calcium hydroxide 3.56 3.56 3.56 3.56 Talc 2.00 2.00 2.00 2.00 Ceteareth-20 1.76 1.76 1.76 1.76 Glycerin 1.00 1.00 1.00 1.00 Potassium hydroxide 1.00 1.00 1.00 1.00 Magnesium trisilicate 0.50 0.50 0.50 0.50 Titanium dioxide 0.3303 0.3303 0.3303 0.3303 Propylene glycol 0.2667 0.2667 0.2667 0.2667 Li Mg silicate 0.20 0.20 0.20 0.20 Sodium gluconate 0.10 0.10 0.10 0.10 Acrylates copolymer 33 0.10 0.10 0.10 0.10 Hydrated silica 0.025 0.025 0.025 0.025 CI 77289 Simmondsia Chinensis Seed Oil Aloe barbadensis leaf extract Lotus flower milk 0.100 0.10 0.10 0.10 Shea butter 0.100 0.10 0.10 0.10 CI45380:3 0.003 0.003 0.003 0.003 Sweet almond oil Cotton extract Parfum/Fragrance 0.56 BN1/886/00 (no essential oils) Parfum/Fragrance 0.56 OM 59130 (no essential oils) Parfum/Fragrance 0.56 OM 59131 (no essential oils) Parfum (contains: Orange Oil 0.56 0.1-0.5%, Cedarwood Oil 1-5%) Citrus Aurantium dulcis 0.05 0.05 0.05 0.05 oil, Limonene Citrus grandis 0.05 0.05 0.05 0.05 oil, Limonene Ex. 5 Ex. 6 Ex. 7 Ex. 8 Component (Wt %) (Wt %) (Wt %) (wt %) Deionised Water 57.995 57.995 62.34 62.34 Urea 8.00 8.00 8.00 8.00 Paraffinum Liquidum 5.00 5.00 5.00 5.00 Cetearyl alcohol 30/70 4.40 4.40 4.40 4.40 Potassium thioglycolate 12.90 12.90 10.00 10.00 Calcium hydroxide 3.56 3.56 3.20 3.20 Talc 2.00 2.00 2.00 2.00 Ceteareth-20 1.76 1.76 1.76 1.76 Glycerin 1.00 1.00 1.00 1.00 Potassium hydroxide 1.00 1.00 Magnesium trisilicate 0.50 0.50 0.50 0.50 Titanium dioxide 0.308 0.308 0.3333 0.3333 Propylene glycol 0.2667 0.2667 0.2667 0.2667 Li Mg silicate 0.20 0.20 0.20 0.20 Sodium gluconate 0.10 0.10 0.10 0.10 Acrylates copolymer 33 0.10 0.10 0.10 0.10 Hydrated silica 0.025 0.025 CI 77289 0.0253 0.0253 Simmondsia Chinensis 0.10 0.10 Seed Oil Aloe barbadensis 0.10 0.10 leaf extract Lotus flower milk Shea butter CI45380:3 Sweet almond oil 0.10 0.10 Cotton extract 0.10 0.10 Parfum/Fragrance 0.56 BD1/294/00 (no essential oils) Parfum/Fragrance 0.5 BS1/603/00 (no essential oils) Parfum/Fragrance 0.56 0.5 BS1/499/00 (contains: Sweet Almond Oil 45-50%, Orange Oil 0.1-0.5%, Clove Oil 0.05-0.1%, Eucalyptus Oil 0.05-0.1%, Pine Oil 0.01-0.05%, Cocoa Oil 0.01-0.05%) Citrus Aurantium dulcis 0.05 0.05 0.05 0.05 oil, Limonene Citrus grandis 0.05 0.05 0.05 0.05 oil, Limonene Ex. 9 Ex. 10 Ex. 11 Ex. 12 Component (Wt %) (Wt %) (Wt %) (wt %) Deionised Water 57.995 57.995 62.34 62.34 Urea 8.00 8.00 8.00 8.00 Paraffinum Liquidum 5.00 5.00 5.00 5.00 Cetearyl alcohol 30/70 4.40 4.40 4.40 4.40 Potassium thioglycolate 12.90 12.90 10.00 10.00 Calcium hydroxide 3.56 3.56 3.20 3.20 Talc 2.00 2.00 2.00 2.00 Ceteareth-20 1.76 1.76 1.76 1.76 Glycerin 1.00 1.00 1.00 1.00 Potassium hydroxide 1.00 1.00 Magnesium trisilicate 0.50 0.50 0.50 0.50 Titanium dioxide 0.308 0.3303 0.3333 0.3333 Propylene glycol 0.2667 0.2667 0.2667 0.2667 Li Mg silicate 0.20 0.20 0.20 0.20 Sodium gluconate 0.10 0.10 0.10 0.10 Acrylates copolymer 33 0.10 0.10 0.10 0.10 Hydrated silica 0.025 0.025 CI 77289 0.0253 Simmondsia Chinensis 0.10 Seed Oil Aloe barbadensis 0.10 leaf extract Lotus flower milk 0.10 Shea butter 0.10 CI45380:3 0.0030 Sweet almond oil 0.10 0.10 Cotton extract 0.10 0.10 parfum, benzyl 0.56 salicylate, butylphenyl Methylpropional, Linalool parfum, butylphenyl 0.66 methylpropional, citronellol, limonene (contains: Orange Oil 15-20%, Cedarwood Oil 1-5%, Patchouli Oil 0.1-0.5%, Pine Oil 0.05-0.1%) parfum, Limonene 0.60 (contains: Cabreuva Oil 10-15%, Cedarwood Oil 1-5%, Guaiacwood Oil 1-5%, Orange Oil 1-5%, Lavandin Oil 0.1-0.5%) Parfum, Linalool, 0.60 Limonene (contains: Bergamot Oil, Orange Oil, Petitgrain Paraguay Oil, Lavender Oil, Mint Oil, Virginia Cedarwood Oil) Citrus Aurantium dulcis 0.05 oil, Limonene Citrus grandis 0.05 oil, Limonene

(4) The compositions can be formulated using standard techniques known to the man skilled in the art.

(5) An advantage of the composition of the present invention is that there is provided a composition which reduces the unpleasant malodour experienced by an individual when using currently available compositions. The malodour score for the example embodiments described previously is given below.

(6) TABLE-US-00002 Malodour Example score 1 3.17 2 3.42 3 3.83 4 2.13 5 3.6 6 2.32 7 3.12 8 4

(7) Known compositions typically have a malodour score of greater than 4. For example, the formulation given below has a score of 4.

(8) TABLE-US-00003 Component Wt % Deionised Water 58.095 Urea 8.00 Paraffinum Liquidum 5.00 Cetearyl alcohol 30/70 4.40 Potassium thioglycolate 12.90 Calcium hydroxide 3.56 Talc 2.00 Ceteareth-20 1.76 Glycerin 1.00 Potassium hydroxide 1.00 Magnesium trisilicate 0.50 Titanium dioxide 0.3303 Propylene glycol 0.2667 Li Mg silicate 0.20 Sodium gluconate 0.10 Acrylates copolymer 33 0.10 Hydrated silica 0.025 Lotus flower milk 0.100 Shea butter 0.100 CI45380:3 0.003 Parfum/Fragrance 0.56 Thelma 200 (no essential oils)

(9) Further modifications and improvements can be incorporated without departing from the scope of the invention disclosed herein.