Adhesives are indispensable in the automotive, aeronautic, and medical industries, among others. Modern adhesives are complex, and their quality requires an assessment of initial components as well as the final product. Molecular spectroscopy approaches, including FTIR and Raman, can be used to identify the components of a sample within seconds without any sample preparation, reagents, or consumables, offering a fast and effective route to glue analysis. Microspectroscopy can detect defects and inclusions on adhesive surface, while confocal Raman microscoscopy provides a unique capability: to analyze materials in depth without the need for a cross-section.