Rehsiff Scientific has been offering a wide range for dyes and stains to the research and clinical laboratory community. Our commitment to Histology, Cytology and Hematology professionals has grown with our expanded product line of certified stains. Rehsiff scientific guarantees stain performance and quality for all our stains and reagents. All our products must meet the most stringent quality control standards, including tissue and/or cell performance testing, before release.