Source: FierceBiotech Sienna Biopharmaceuticals has raised $40 million to advance its pipeline of clinical-phase aesthetic and dermatology assets. The Series B round continues the rapid rise of Sienna, which has raised $86 million and bought Creabilis since it emerged helmed by the ex-Kythera Biopharmaceuticals team last year. Westlake Village, California-based Sienna…...