The present invention relates to a surfactant composition comprising at least one alkylglycoside having the formula CnGm wherein C is an alkyl group n is the number of carbon atoms in the alkyl group and is 14 to 24 said alkyl group being unbranched or branched, saturated or unsaturated, derivatised or non-derivatised G is a saccharide residue containing 5 to 6 carbon atoms and m is a number from 4 to 20. It further also relates to its use and application in detergents, emulsifying agents, wetting agents, anti-aggregation and stabilising composition and dispersants comprising the same.