In our latest iFormulate Revisited presentation, Dr Jim Bullock of iFormulate revisits a presentation he made for the ChemUK trade show in Birmingham UK in 2022. In the presentation, Jim discusses how problems of formulation stability can be defined and characterised before they can be tackled. For further information on this and other topics in formulation, email us at info@iformulate.biz and visit https://iformulate.biz/.