The Cloud Chemist is an American e-liquid brand created by the makers of Coil Spill E-Liquid in New York. The brand combines a science-inspired identity with nostalgic, cereal-focused flavor profiles, offering a range of premium e-liquids featuring cereal, milk, fruit, cream, and dessert notes. Its lineup includes Frosty Science, Pebble Science, Cereal Science, Heisenberry Crunch, Loopy Science, Lucky Science, The Alchemist, and Chemical X. The Cloud Chemist primarily offers USA-made 100ml shortfill e-liquids with a 70/30 VG/PG ratio, as well as selected nicotine salt versions.