One of the purposes of the present invention is to provide a silicone elastomer particle and an aqueous dispersion of the silicone elastomer particles, which prevent generation of odor from oxygenation of nonionic surfactants. The present invention provides a silicone elastomer particle having a crosslinking structure formed by an addition reaction of a monovalent aliphatic unsaturated group bonded to a silicon atom and a hydrogen atom bonded to another silicon atom, wherein the silicone elastomer particle contains an antioxidant. Further, present invention provides an aqueous dispersion comprising the silicone elastomer particles, a nonionic surfactant and water.
