NEWTON, Mass.--(BUSINESS WIRE)--Castanea Partners announced today that it has acquired a minority interest in First Aid Beauty, an innovative and differentiated skincare products company that addresses skin challenges with everyday, feel-good solutions. First Aid Beauty, also known as FAB, offers a range of effective yet luxurious skincare products that include cleansers, exfoliators, moisturizers, serums and masks. The company was founded in 2009 by Lilli Gordon, a beauty industry veteran, and