The nasolabial fold improver according to an embodiment of the present invention relates to a device for alleviating or improving nasolabial folds on both sides of a human nose, and includes a protrusion that pushes the nasolabial folds from the inside of the mouth to the outside; A support part supporting the protrusion so as to be fixed in the oral cavity; In the nasolabial fold improving device comprising: a connection part connecting the protrusion and the support, the protrusion can be coupled and separated from the support, and the protrusion or the support has a silver nanoparticle of 0.1 based on the total weight of the protrusion or the support. It consists of a nasolabial wrinkle improver, characterized in that contained in to 20% by weight. Through an embodiment of the present invention, a user may be provided with a nasolabial wrinkle improver that fits the depth and shape of his/her nasolabial fold.
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