Adjuvants for agrochemical active formulation and methods of providing adjuvancy in agrochemical formulations are disclosed. An agrochemical formulation may comprise a first adjuvant comprising a fatty ester of a C3 to C8 polyol, or an oligomer thereof having from 2 to 5 repeat units, a co-adjuvant comprising an alkoxylated fatty alcohol having a C4 to C30 fatty chain and from 1 to 30 oxyalkylene groups, and at least one agrochemical active. Use of a combination of a first adjuvant comprising a fatty ester of a C3 to C8 polyol, or an oligomer thereof having from 2 to 5 repeat units, and a co-adjuvant comprising an alkoxylated fatty alcohol having a C4 to C30 fatty chain and from 1 to 30 oxyalkylene groups and a method for treating vegetation to control pests is also disclosed.
