La Mer moisturisers harness the potent properties of one rather humble ingredient – fermented sea kelp. First discovered when rocket scientist Dr Max Huber healed his burns with what is now known as ‘miracle broth’, it’s this transformative elixir that’s at the heart of its hero product, Crème de la Mer, as well as newer additions to the line-up including the La Mer Cool Gel Cream and The Concentrate serum.