Formulation comprising ester quats based on isopropanolamine and tetrahydroxypropyl ethylenediamine
The invention relates to cosmetic formulations comprising specific ester quats based on isopropanolamine or tetrahydroxypropyl ethylenediamine, and to the use of these ester quats in cosmetics.
1. A cosmetic formulation comprising:
0.2 to 25% by weight of at least one ester quat of general formula I)
wherein:
R 1 is an acyl residue of erucic acid;
R 2 is methyl;
R 4 is once methyl and once ethyl;
a=2; and
b=2;
and 40 to 99.8% by weight of water, wherein the percentages by weight refer to the overall formulation.
2. The cosmetic formulation according to claim 1 , wherein no fatty acids or fatty acid salts are present.
3. The cosmetic formulation according to claim 1 , further comprising:
0.5 to 20% by weight of at least one fatty alcohol,
where the percentages by weight refer to the total formulation.
4. The cosmetic formulation according to claim 3 , wherein said fatty alcohol is selected from octanol, decanol, lauryl alcohol, isolauryl alcohol, anteisolauryl alcohol, myristyl alcohol, isomyristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, anteisostearyl alcohol, eicosanol, petroselinyl alcohol, Guerbet alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, hectacosanol, octacosanol, and melissyl alcohol, and mixtures thereof.
5. The cosmetic formulation according to claim 1 , further comprising: at least one counterion to the compound of general formula I) selected from chloride, bromide, iodide, alkyl sulphate, alkylsulphonate, triflate, tosylate, phosphate, sulphate, hydrogensulphate, lactate, glycolate, acetate and citrate.