Avista Capital Partners, an American private equity, completed the acquisition of WellSpring Consumer Healthcare, a marketer of over-the-counter brands primarily in the skin care and gastrointestinal care categories, from Audax Private Equity, an alternative investment manager. Financial terms were not disclosed. "We’ve enjoyed a terrific partnership with the WellSpring team and are very proud of the growth the Company has achieved. We look forward to following the Company’s success for many years to come," Jay Mitchell, Audax Managing Director.