The present invention addresses the problem of providing a repellent against animals in the order Squamata, the repellent being capable of continuously exhibiting an excellent repellent effect on animals in the order Squamata, and being used with no change in effect throughout the initial stage of use to the final stage of use. A repellent against animals in the order Squamata according to the present invention has the form of an aerosol agent formed by filling a pressure-resistant container with an aerosol composition comprising an undiluted solution and a propellant, wherein the undiluted solution contains, as active ingredients, at least one among an inorganic powder, a solvent having a hydroxy group or a ketone group, and a silicone powder.
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