The present invention concerns a skin treatment device for professional and private use. In particular the present invention concerns a skin treatment device (10) comprising a drive unit (20) and an attachment (30), the attachment (30) being rotatable about a central support axis (72), the drive unit (20) providing an off center drive axis (70), the attachment (30) comprising a skin treatment element (32) and a rotary support element (50) for the skin treatment element (32), the rotary support element (50) comprising an eccentric (74), wherein the central support axis (72) is not a driven axis.
