ExCell Plus™ is a tissue fixative that has always been a low-hazard alternative to 10% formalin. But now, it is the only tissue fixative that actually smells pleasant! ExCell Plus™ contains No Heavy Metals. This amazing tissue fixative firms tissue, and penetrates most tissue specimens as fast as 10% Formalin. ExCell Plus™ enhances microtome sectioning, H&E stains, Special Stains, Immuno-Stains, Flowcytometry, DNA Analysis, and Fluorescence In Situ Hybridization (FISH). ExCell Plus™ is virucidal, biocidal, and fungicidal.