Kythera Biopharmaceuticals (Calabasas, CA) a clinical-stage biopharmaceutical company focused on aesthetic dermatology, closed a $37.4M Series D financing. Participants include Versant Ventures, Arch Venture Partners, Prospect Venture Partners, Jafco Ventures, Invus Financial Advisors, BBT Capital Management, Altitude Life Science Ventures and Foley Ventures.