Private equity firm Carlyle Group takes majority stake in cosmetics company Beautycounter at a $1 billion valuation. : Private equity giant Carlyle Group is taking a majority stake in Beautycounter, best known for its "clean" makeup and skincare products. Carlyle's backing officially labels the beauty brand a unicorn, valuing it at $1 billion — more than double its last reported valuation of $400 million in January 2018, according to PitchBook data.