The Hut Group, an e-commerce firm specialising in health and lifestyle brands, is continuing is rapid expansion into cosmetics and toiletries with the acquisition of UK spa brand ESPA in a rumoured £100 million ($130 million) deal. ESPA markets a range of skincare and cleansing products for men and women, as well as operating 600 spas across 60 countries. The firm, which is currently under the ownership of private equity …