The present invention relates to a cosmetic device (1) comprising:—an end-piece (5) comprising a base (2) and elements (4) upstanding from the base (2), the upstanding elements (4) defining at least two distinct groups (10, 11),—a body (3) configured to receive the end-piece (5),—a means for rotating the end-piece (5) about an axis (X) relative to the body (3), in which the groups of upstanding elements have cross sections that are not included in one another at the zone of attachment to the base, and at least one of the upstanding elements is made of elastomer.