Gel base in the form of a translucent gel without triethanolamine

Abstract

The invention relates to a new composition in the form of a translucent, advantageously transparent, gel, without triethanolamine, comprising at least a fatty body in the form of an oleic acid an aqueous phase; and a base or a mixture of bases. The invention also relates to compositions, advantageously cosmetic compositions, comprising said gel base, such as a shaving gel. The invention also relates to a method for preparing said gel base, a shaving method, the use of said gel base and a shaving kit.

Claims

1. A composition in the form of a translucent or transparent gel base, without triethanolamine, comprising at least: a fatty body in the form of oleic acid alone or a mixture of oleic acid and headless copra oil fatty acids, said fatty body being in a quantity between 4 wt % and 22 wt % relative to the total weight of the gel base; an aqueous phase; and a mixture of potash and sodium hydroxide in a quantity between 0.2 wt % and 10 wt % relative to the total weight of the gel base and wherein the ratio between the quantity of potash and the quantity of sodium hydroxide is between 98/2 and 60/40.

2. The gel base according to claim 1, wherein the fatty body is a mixture of headless copra oil fatty acids and oleic acid.

3. The gel base according to claim 1, comprising: headless copra oil fatty acids in a quantity between 5 wt % and 8 wt % relative to the total weight of the gel base; oleic acid in a quantity between 10 wt % and 20 wt % relative to the total weight of the gel base; potash in a quantity between 1 wt % and 9 wt % relative to the total weight of the gel base; sodium hydroxide in a quantity between 0.1 wt % and 1 wt % relative to the total weight of the gel base; and water in a sufficient quantity to reach 100% of the weight of the gel base.

4. A method for preparing the gel base composition of claim 1, comprising: in a first step, mixing the fatty body with water brought to a temperature between 50 C. and 60 C., and then the mixture is homogenized at a temperature between 55 C. and 65 C.; in a second step, adding the mixture of potash and sodium hydroxide to the mixture obtained in the first step and maintaining the temperature between 55 C. and 65 C.; and then the mixture obtained in the second step is homogenized for a length of time between 20 and 50 minutes.

5. A shaving composition or gel comprising at least one gel base as described in claim 1.

6. The composition according to claim 5, which is a cosmetic composition.

7. The composition according to claim 5, wherein the composition further comprises a gelling agent and/or a surfactant and/or a polyol and/or any other additive.

8. The composition according to claim 5, further comprising a liquefied gas or a liquefied gas mixture, chosen from among propane, butane, isobutane, pentane or isopentane.

9. The composition according to claim 8, wherein the liquefied gas or the liquefied gas mixture is in a quantity between 0.1 wt % and 20 wt % relative to the total weight of the composition.

10. A shaving gel comprising the gel base of claim 1, a dye, at least one emollient, glycerin, hydroxyethyl cellulose, at least one surfactant, sorbitol, a perfume and bisabolol.

11. The shaving gel according to claim 10, comprising: the gel base comprising: between 6 wt % and 7 wt % of headless copra oil fatty acids relative to the total weight of the gel base, between 14 wt % and 15 wt % of oleic acid relative to the total weight of the gel base, 4 wt % of potash relative to the total weight of the gel base, 0.3 wt % of sodium hydroxide relative to the total weight of the gel base and water QSP 100% relative to the total weight of the gel base, said gel base making up 89% based on the total weight of the shaving gel; a dye in a quantity of 0.000043% based on the total weight of the shaving gel; an emollient mixture in a quantity of 2.5% based on the total weight of the shaving gel; glycerin in a quantity of 2% based on the total weight of the shaving gel; hydroxyethyl cellulose, in a quantity of 0.75% based on the total weight of the shaving gel; a surfactant mixture in a quantity of 1.4% based on the total weight of the shaving gel; SORBITOL E in a quantity of 3% based on the total weight of the shaving gel; a perfume in a quantity of 1% based on the total weight of the shaving gel; bisabolol in a quantity of 0.1% based on the total weight of the shaving gel; and water in a sufficient quantity to reach 100% based on the total weight of the shaving gel.

12. A shaving composition or gel, according to claim 5, wherein shaving composition or gel is packaged in a container of the BOV (Bag On Valve) type.

13. A method for shaving, comprising applying a shaving gel according to claim 10 on the skin, and optionally massaging and shaving the skin.

14. A shaving kit comprising at least one shaving gel as described in claim 10 and optionally a razor.

15. The gel base according to claim 1, wherein the headless copra oil fatty acids are in a quantity between 6 wt % and 7 wt % relative to the total weight of the gel base.

16. The gel base according to claim 1, wherein the oleic acid is in a quantity between 14 wt % and 15 wt % relative to the total weight of the gel base.

17. The gel base according to claim 1, wherein the potash is in a quantity between 3 wt % and 5 wt % relative to the total weight of the gel base.

18. The gel base according to claim 1, wherein the sodium hydroxide is in a quantity between 0.2 wt % and 0.5 wt % relative to the total weight of the gel base.

19. The method for preparing a gel base according to claim 4, wherein, in the first step, the mixture is homogenized by bringing the temperature to a temperature of 60 C.

20. The method for preparing a gel base according to claim 4, wherein, in the second step, the mixture is homogenized for a length of time comprised between 25 and 45 minutes.

21. The composition according to claim 5, wherein the composition is a cosmetic composition intended for shaving.

22. The composition according to claim 21, wherein the cosmetic composition is a shaving gel.

23. The composition according to claim 8, wherein the liquefied gas or a liquefied gas mixture is chosen from among isobutane or isopentane.

24. The composition according to claim 8, wherein the liquefied gas or a liquefied gas mixture is a mixture of isobutane and isopentane.

25. The composition according to claim 9, wherein the liquefied gas or the liquefied gas mixture is in a quantity comprised between 0.5 wt % and 10 wt % relative to the total weight of the composition.

26. The composition according to claim 9, wherein the liquefied gas or the liquefied gas mixture is in a quantity comprised between 1 wt % and 3 wt % relative to the total weight of the composition.

Description

EXAMPLE 1: GEL BASE ACCORDING TO THE INVENTION

(1) TABLE-US-00001 Mixture of headless copra oil 6.5% fatty acids (Pacific Oleo, Malaysia) Oleic acid (Pacific Oleo, Malaysia) 14.5% 100% potash (BRENNTAG) 4.0% 100% sodium hydroxide (BRENNTAG) 0.3% Water QSP 100%.sup.

(2) In a Jupiter-type mixer with a capacity of 100 Liters, the fatty acids (mixture of headless copra oil fatty acids and oleic acid) are mixed with water brought to 55 C. and the whole is homogenized by planetary-type agitation at 20 revolutions/minute. The temperature is then brought to 60 C. and the strong bases are then added. The assembly is then homogenized for about 35 minutes by planetary agitation at 15 revolutions/minute with turbine at 1000 revolutions/minute.

(3) One thus obtains a gel base in the form of a translucent gel that can next be used in compositions, advantageously cosmetic compositions.

EXAMPLE 2: PREPARATION OF A SHAVING GEL

(4) TABLE-US-00002 Gel base of example 1 89.00% UNICERT BLUE dye (05601-J (CAI42090), 0.43 10.sup.4% company LCW) TEGOSOFT LES 65 K soft 2.0% (Evonik Industries AG Personal Care) Glycerin (Natural Glycerin Codex, Company OLEON) 2.0% Hydroxyethyl cellulose (NATROSOL 250 HHR, 0.75% company IMCD) LAMESOFT PO 65 (company BASF) 0.50% SORBITOL E (QUIMASSO) 3.0% LAMESOFT OD (BASF) 0.9% TEGOSOFT PC 41 (company ADARA) 0.5% Perfume MAN PLUS (51419594, Expression 1.0% Parfume) Brazilian natural Alpha Bisabolol (company 0.1%. ELIXENS)

(5) The mixture of Natural Glycerin Codex and Hydroxyethyl cellulose (NATROSOL 250 HHR) by homogenization and the gel base of example 1 is added to this preparation, in the preparation vat thereof at 60 C. under planetary agitation at 25 revolutions/minute with turbine at 1500 revolutions/minute until the gelling agent is perfectly dispersed.

(6) The mixture of LAMESOFT PO 65 and SORBITOL E (QUIMASSO) is then added and homogenized for 10 minutes by planetary agitation at 25 revolutions/minute with turbine at 1500 revolutions/minute.

(7) The LAMESOFT OD (BASF). TEGOSOFT PC 41 (company ADARA), MAN PLUS perfume and Brazilian natural Alpha Bisabolol (company ELIXENS) are then added under turbine at 1500 revolutions/minute, and the whole is homogenized for 10 minutes.

(8) The whole is then left to cool to 40 C., under planetary agitation at 25 revolutions per minute with turbine at 1500 revolutions per minute.

(9) A static mixer (PAMASOL) is then used to mix the obtained preparation with a combination of liquefied gases (2.2% of a 75% isopentane/25% isobutane mixture).

(10) A transparent or translucent shaving gel is then obtained that can then be packaged in an aerosol of the Bag On Valve (LINDAL) type.