 CHICAGO and PARK CITY, Utah, May 5, 2021 PRNewswire -- Linden Capital Partners Linden and DW Healthcare Partners IV, LP DW Healthcare Partners, both private equity firms focused exclusively on the healthcare sector, announced today the completion of the merger of Edge Systems, LLC HydraFacial, a category-creating beauty health company, with Vesper Healthcare Acquisition Corp. NASDAQ: VSPR Vesper or Vesper Healthcare. Vesper is a special purpose acquisition company SPAC led by former Allergan CEO Brent Saunders. 