<p>Provided is a scalp care device (10) comprising: a device main body (11) including a drive source (32) that drives a linking shaft (47) and a main body housing (13) that houses the drive source (32); and a treatment head section (12) mounted in the main body housing. The treatment head section (12) has a plurality of treatment units (81a-81d) comprising treatment protrusions (83a) at least driven in a direction orthogonal to the shaft direction of the linking shaft (47) based on the drive of the linking shaft (47). A projected image of the treatment head section (12) projected in the shaft direction of the linking shaft (47) has a polygon shape with a plurality of corners (K) and the plurality of treatment units (81a-81d) are disposed at positions that correspond to each of the plurality of corners (K).</p>
