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.