"Wella AG is a major German hair care company headquartered in Darmstadt, Germany. Founded in 1880 by Franz Ströher, it specializes in hair care, styling and ...
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colorants sold to individuals as well as hairdressers and was controlled by Procter & Gamble from 2003 until it was sold to Coty, Inc. in 2015 along with some 40 other P&G brands." - (en.wikipedia.org 04.12.2019)