The invention relates to a) an agonist or antagonist of nicotinic acetylcholine receptor of pests at a concentration of 0.0001 to 7.5% by weight relative to the total weight of the formulation, b) water at a concentration of 20 to 50% by weight relative to the total weight of the formulation, c) 20 to 50% by weight of acyclic alcohol relative to the total weight of d) solvent from the group of cyclic carbonates or lactones at a concentration of 2.5 to 20.0% by weight relative to the total weight of the formulation, e) optionally to the total weight of the formulation Relative to pests and mites on human skin, including thickeners, antioxidants, swelling agents, preservatives, deposition aids and other auxiliaries from the group of emulsifiers.
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