A foam-forming surfactant composition comprising at least two surfactants whereof - at least one is a sulfosuccinamate represented by the formula R-NX-CO-CHY 1 -CHY 2 -CO-O - M 4+, (Formula I) where Y 1 is H and Y 2 is (SO 3 -M 3+), or Y 1 is (SO 3 -M 3+) and Y 2 is H, M 3+ and M 4 + may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +; R is a linear or branched or cyclic aliphatic radical having from four to twenty-four carbon atoms; X is an alkylcarboxylate group -(CR a R b)-COO - M 2+ where R a and R b may both be H, or R a is H and R b is -CH 2 -COO - M 1+, where M 1+ and M 2+ may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, and - at least one is a sulfosuccinate monoester represented by the formula R 1 -O-CO-CHY 3 -CHY 4 -CO-O-R 2, (Formula III) where Y 3 is H and Y 4 is (SO 3 - M +), or Y 3 is (SO 3 - M +) and Y 4 is H, one of R 1 and R 2 may be selected from the group consisting of linear or branched or cyclic aliphatic radicals having from four to twenty-four carbon atoms, and the other of R 1 and R 2 is a hydrogen atom or an alkali metal selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, and M + is selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +. - at least one is a sulfosuccinamate represented by the formula R-NX-CO-CHY 1 -CHY 2 -CO-O - M 4+, (Formula I) where Y 1 is H and Y 2 is (SO 3 -M 3+), or Y 1 is (SO 3 -M 3+) and Y 2 is H, M 3+ and M 4 + may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +; R is a linear or branched or cyclic aliphatic radical having from four to twenty-four carbon atoms; X is an alkylcarboxylate group -(CR a R b)-COO - M 2+ where R a and R b may both be H, or R a is H and R b is -CH 2 -COO - M 1+, where M 1+ and M 2+ may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, and Y 1 is H and Y 2 is (SO 3 -M 3+), or Y 1 is (SO 3 -M 3+) and Y 2 is H, M 3+ and M 4 + may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +; R is a linear or branched or cyclic aliphatic radical having from four to twenty-four carbon atoms; X is an alkylcarboxylate group -(CR a R b)-COO - M 2+ where R a and R b may both be H, or R a is H and R b is -CH 2 -COO - M 1+, where M 1+ and M 2+ may be the same or different, and each is independently selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, - at least one is a sulfosuccinate monoester represented by the formula R 1 -O-CO-CHY 3 -CHY 4 -CO-O-R 2, (Formula III) where Y 3 is H and Y 4 is (SO 3 - M +), or Y 3 is (SO 3 - M +) and Y 4 is H, one of R 1 and R 2 may be selected from the group consisting of linear or branched or cyclic aliphatic radicals having from four to twenty-four carbon atoms, and the other of R 1 and R 2 is a hydrogen atom or an alkali metal selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, and M + is selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +. Y 3 is H and Y 4 is (SO 3 - M +), or Y 3 is (SO 3 - M +) and Y 4 is H, one of R 1 and R 2 may be selected from the group consisting of linear or branched or cyclic aliphatic radicals having from four to twenty-four carbon atoms, and the other of R 1 and R 2 is a hydrogen atom or an alkali metal selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +, and M + is selected from the group consisting of the cations of the chemical elements of groups 1 and 2 of the Periodic Table of the Elements, consisting of the alkali metals, and the earth alkali metals, and from ammonium NH 4 +.