Common household soaps and detergents claiming to have the scent of “mountain air” or “fresh pine” might seem a far-flung marketing ploy, though they don’t need to be. Teaming with Yellowstone Forever, the official nonprofit partner of Yellowstone National Park, the beauty and fragrance makers Caswell-Massey have produced a collection of oils and tonics that are directly and scientifically sampled at the source. Launched this year, with more to come in 2020, the special releases were developed over the course of five years with fragrance scientists at IFF, who were granted a scientific research permit to work with Yellowstone’s botanists to carefully study and preserve rare and living flora that are unique to the park.

Each of the five debut scents is named after a landmark Yellowstone region: Lake, Canyon, Mammoth, and Tower Fall feature a variety of plant-based notes—such as lavender, amber, juniper, sage, and moss—that were molecularly recreated to be identical to those found in nature, using a technique referred to as “headspace technology.” Old Faithful, the most distinctive scent of the collection, thankfully forgoes its infamous sulphury smell and is instead made from rare botanicals found near the park’s most active thermal feature, including notes of sagebrush and smoky wood. More than a souvenir or a static postcard, this series is a portrait of Yellowstone in a bottle, offering a whole new level of armchair travel.