‘Clean’ make-up company Saie is partnering with online beauty seller Cult Beauty to open a beauty-themed ice cream parlour pop-up in Soho to celebrate Saie being named ‘Brand of the Month’ and to promote its new Dew Bronze and Dew Blush ranges, which will be available to purchase at the Soft Serve Parlour. Saie and Cult Beauty’s retro-looking Soft Serve Parlour will “transport visitors back in time while celebrating…