Revolution Beauty reports a loss in its sales with a 20% slump in revenue following a plan to re-invigorate its product portfolio after a turbulent few years. Revenue fell to £72.4 million (US$91.6 million) compared to £90.4 million (US$114.53 million) the year prior, and a 48% decline in profit in its first-half earnings in the first six months ending August 31.