Abstract: The invention relates to a process for preparing surfactant solutions with N-acyl amino acids or their salts and to surfactant solutions with N-acyl amino acids or their salts obtained by the inventive process. The invention relates further to cosmetic or detergent cleaning compositions comprising solutions with N-acyl amino acids or their salts obtained by the process.

Abstract: A process for preparing light-colored aqueous surfactant compositions containing 10% by weight to 60% by weight, based on the total composition, of one or more alpha-sulfo fatty acid disalts (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and radicals M1 and M2, independently, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamines, and water, in which fatty acids of the general formula (Ia), R2CH2COOH??(Ia) in which radical R2 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms, (i) are subjected to sulfonation with gaseous sulfur trioxide, (ii) the acidic sulfonation product is neutralized, and then (iii) is subjected to bleaching with hydrogen peroxide at a pH above 7 in a temperature range of 80 to 95° C.

Abstract: The subject of the application is protein hydrolyzates having specific amounts of the amino acids arginine and lysine, which demonstrate improved properties in hair treatment compositions and in cleansing compositions for skin and hair, and also enzymatic methods for the preparation thereof, and the cosmetic compositions comprising same.

Abstract: The invention relates to biobased waxy esters which in particular in the form of wax dispersions bring about cloudiness and/or pearlescence in cosmetic cleansers. The invention further provides the use of the waxes in cosmetic compositions, the production thereof and the cosmetic compositions themselves.

Abstract: What are proposed are aqueous surfactant compositions comprising one or more of each of alpha-sulfo fatty acid disalts, sulfo ketones, alkyl (ether) sulfates, soaps, inorganic salts of sulfuric acid and water, where the structures of the compounds mentioned and boundary conditions that are to be observed can be found in the patent claims. These compositions have good foaming ability and pleasant sensory properties of the foam and good skin compatibility and they are suitable for cosmetic agents as well as detergents and cleaner.

Abstract: The subject of the application is keratin hydrolyzates which are characterized by a minimum amount of protein fragments having molecular weights of less than 1000 Da, enzymatic methods for the preparation thereof and also the use thereof in hair treatment compositions and also in cleansing compositions for skin and hair.

Abstract: What are proposed are aqueous surfactant compositions comprising one or more of each of alpha-sulfo fatty acid disalts, sulfo ketones, alkyl (ether) sulfates, soaps, inorganic salts of sulfuric acid and water, where the structures of the compounds mentioned and boundary conditions that are to be observed can be found in the patent claims. These compositions have good foaming ability and pleasant sensory properties of the foam and good skin compatibility and they are suitable for cosmetic agents as well as detergents and cleaner.

Abstract: Aqueous surfactant compositions containing an alpha-sulfo fatty acid disalt, a sulfoketone, a betaine, a soap, an inorganic salt of sulfuric acid, and water. The compositions have good foaming ability, a pleasant sensory feel to the foam, good skin compatibility, and are suitable for cosmetic products, detergents, and cleaners.

Abstract: Aqueous surfactant compositions comprising one or more alpha-sulfo fatty acid disalt (A) of general formula (I) R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of each other, are selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more sulfoketone (B) selected from compounds (F) and compounds (G) wherein the compounds (F) have general formula (VI) R6CH2—CO—CHR7(SO3M8)??(VI), in which the radicals R6 and R7, independently of each other, are a linear or branched alkyl radical having 6 to 18 carbon atoms and the radical M8 is selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, and the compounds (G) have general formula (VII) (SO3M9)R8CH—CO—CHR9(SO3M10)??(VII), in which the radicals R8 and R9, independently of each other, are a linear or branched alkyl radical having 6 to 18 carbon atoms and the radicals M9 and M10, independently of each other, are s

Abstract: Aqueous surfactant compositions containing one or more alpha-sulfo fatty acid disalt (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of one another, are selected from the group consisting of H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more alkanolamide (B) selected from the group of compounds of general formula (IIa), (IIb) and (IIc), R13—CO—NR14R15??(IIa) R13—CO—NR14R16??(IIb) R13—CO—NR14R17??(IIc) wherein the radical R13 in compounds (IIa) is a linear or branched alkyl radical having 6 to 18 carbon atoms and the radicals R14 and R15, independently of each other, are a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms; wherein the radical R13 in compounds (IIb) is a linear or branched alkyl radical having 6 to 18 carbon atoms, the radical R14 is a linear or branched hydroxyalkyl group having 1 to 4 carbon atoms and the radic

Abstract: Aqueous surfactant compositions containing one or more alpha-sulfo fatty acid disalt (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of one another, are selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more N-acyl amino acid compound (B) selected from glycinates of general formula (IIa), sarcosinates of general formula (IIb), ?-alaninates of general formula (IIc), and ?-alaninates of general formula (IId) R23—CO—NH—CH2—COOM13??(IIa) R23—CO—N(CH3)—CH2—COOM13??(IIb) R23—CO—NH—CH(CH3)—COOM13??(IIc) R23—CO—NH—CH2—CH2—COOM13??(IId), wherein the radical R23 in the compounds (IIa), (IIb), (IIc) and (IId) is a linear or branched alkyl or alkenyl radical having 7 to 19 carbon atoms and the radical M13 is selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, and water.

Abstract: Aqueous surfactant compositions comprising one or more alpha-sulfo fatty acid disalt (A) of general formula (I) R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of each other, are selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more sulfosuccinate (B) of general formula (II) R31—O—CO—CH(SO3M16)—CH2—COOM17??(II) wherein the radical R31 is a linear or branched alkyl or alkenyl radical having 6 to 22 carbon atoms or an alkoxylated linear or branched alkyl or alkenyl radical having 6 to 22 carbon atoms and the radicals M16 and M17, independently of each other, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium and alkanolamines, and water. The compositions have good foaming ability, good skin compatibility, and a pleasant sensory feel to the foam, and are suitable for cosmetic products detergents, and cleaners.

Abstract: Aqueous surfactant compositions containing one or more alpha-sulfo fatty acid disalt (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of one another, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine; one or more isethionate (B) of general formula (II), R18—COO—CHR19—CHR20—SO3M11??(II) wherein the radical R18 is a linear or branched alkyl or alkenyl radical having 7 to 19 carbon atoms and radicals R19 or R20, independently of each other, are hydrogen or an alkyl radical having 1 to 6 carbon atoms, with the proviso that not both radicals R19 and R20 are an alkyl radical, and wherein the radical M11 is selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, and water are disclosed.

Abstract: Aqueous surfactant compositions containing in each case one or more alpha-sulfo fatty acid disalt, a sulfoketone, a specific cationic polymer, a soap, an inorganic salt of sulfuric acid, and water are disclosed. The compositions have good foaming ability, a pleasant sensory feel to the foam, good skin compatibility, and are suitable for cosmetic products, detergents, and cleaning products.

Abstract: An aqueous surfactant composition comprising one or more alpha-sulfo fatty acid disalts (A) of the general formula (I), R1CH(SO3M1)COOM2??(I), wherein the radical R1 is a linear or branched alkyl or alkenyl radical with 6 to 18 carbon atoms and the radicals M1 and M2, independently of one another, are selected from the group H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more amidoalkylbetaines (B) of the general formula (II), R2—CO—NH—(CH2)y—N+(CH3)2—CH2—COO???(II) in which the radical R2 is a linear or branched alkyl or alkenyl radical with 7 to 19 carbon atoms and the index y is an integer in the range 2 to 4, and water, where specific limiting conditions are to be observed. The compositions are transparent, storage-stable, characterized by good foaming ability and good viscosity, and are suitable for cosmetic products and also detergents and cleaners.

Abstract: Compositions containing one or more alkyl lactate sulfate (A) of the general formula (I), R1(OCOCH(CH3))nOSO3M1??(I) in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 30 carbon atoms, the index n is a number in the range from 1 to 5, and the radical M1 is selected from H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more compound (B) selected from phosphoric acid and the mono-, di- and tri-salts thereof, wherein the cation of these salts is selected from Li, Na, K, Ca, Mg, ammonium, and alkanolamine, one or more compound (C) selected from citric acid and the mono-, di- and tri-salts thereof, wherein the cation of these salts is selected from Li, Na, K, Ca, Mg, ammonium, and alkanolamine, and water where the following provisos apply: the weight ratio of the sum total of the compounds (B) and (C) to the sum total of the compound (A) is in the range from 1:5 to 1:10.

Abstract: An aqueous surfactant composition containing one or more alpha-sulfo fatty acid disalts (A) of the general formula (I), R1CH(SO3M1)COOM2??(I) in which the radical R1 is a linear or branched alkyl or alkenyl radical with 6 to 16 carbon atoms and the radicals M1 and M2—independently of one another—are selected from the group H, Li, Na, K, Ca/2, Mg/2, ammonium and alkanolamine, one or more alkyl glycosides (B) of the general formula (II), R2O-[G]p??(I) in which R2 is an alkyl and/or alkenyl radical with 8 to 18 carbon atoms, G is a sugar radical with 5 or 6 carbon atoms and p is numbers between 1 and 10, and water are disclosed. The composition has excellent foaming ability and is suitable for use in cosmetic products.

Abstract: A process for preparing light-colored aqueous surfactant compositions containing 10% by weight to 60% by weight, based on the total composition, of one or more alpha-sulfo fatty acid disalts (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and radicals M1 and M2, independently, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamines, and water, in which fatty acids of the general formula (Ia), R2CH2COOH??(Ia) in which radical R2 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms, (i) are subjected to sulfonation with gaseous sulfur trioxide, (ii) the acidic sulfonation product is neutralized, and then (iii) is subjected to bleaching with hydrogen peroxide at a pH above 7 in a temperature range of 80 to 95° C.

Abstract: An aqueous surfactant composition containing one or more alpha-sulfo fatty acid disalt (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2, independently of one another, are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium, and alkanolamine, one or more protein derivative (B2), wherein the protein derivatives (B2) are reaction products of one or more protein hydrolyzates (B1) with a substance selected from fatty acids, fatty acid chlorides, cationization reagents, and protein hydrolyzates (B1), wherein the protein hydrolyzates (B1) are proteins, peptides, and/or amino acids produced by chemical and/or enzymatic hydrolysis of proteins from plant or animal sources, and water.

Abstract: Aqueous surfactant compositions containing one or more alpha-sulfo fatty acid disalt (A) of general formula (I), R1CH(SO3M1)COOM2??(I), in which the radical R1 is a linear or branched alkyl or alkenyl radical having 6 to 18 carbon atoms and the radicals M1 and M2—independently of one another—are selected from the group comprising H, Li, Na, K, Ca/2, Mg/2, ammonium and alkanolamines, one or more protein hydrolyzate (B), wherein the protein hydrolyzate (B) is a protein, peptide and/or amino acid which is produced by chemical and/or enzymatic hydrolysis of proteins from plant or animal sources, and water, The compositions have good foaming ability, a pleasant sensory feel to the foam, good skin compatibility, and are suitable for cosmetic products, detergents, and cleaning products.