Bobbi Brown Intensive Serum Radiance Mist 50ml. Cost £39 What it is: Set and refresh your radiance with NEW Intensive Serum Radiance Mist. Formulated with Cordyceps and Glycerin, this lightweight spray energizes and refreshes skin while setting foundation, creating a dewy finish. What it does: This setting spray refreshes and energises skin with a unique dual-phase water-and-oil formula that boosts radiance and sets foundation for 24 hours. How to use: Lightly spritz all over face after applying foundation to set your look. Reapply throughout the day to energise skin with a boost of radiance.