BioSurface Instruments is a scientific instrumentation company dedicated to developing next-generation analytical platforms for surface, interfacial, and biophysical characterization. Built around innovative droplet-based technologies such as constrained drop surfactometry (CDS) and advanced drop shape analysis, our instruments enable precise, real-time measurements of surface tension, interfacial rheology, wetting, evaporation, and surfactant film behavior under fully controlled environmental conditions. Serving researchers in biophysics, colloid and interface science, pulmonary and ocular health, materials science, and nanotechnology, BioSurface Instruments aims to provide intelligent, high-performance tools that advance fundamental research, translational science, and industrial innovation.