Used primarily in histology and microbiology laboratories, this staining solution is essential for detecting acid-fast organisms, particularly Mycobacterium species. It provides a vivid contrast under the microscope, where acid-fast bacteria retain the red or pink color of the fuchsin dye, while background tissue or cells are counterstained, allowing for clear identification. The improved formulation enhances penetration through waxy cell walls of mycobacteria, making the staining process faster and more reliable compared to traditional methods. It is commonly used in diagnosing tuberculosis and leprosy in clinical specimens. The solution is also applied in environmental testing to identify acid-fast organisms in water and soil samples. Its consistency and reduced background staining make it suitable for both manual and automated staining procedures.