Learn how to use this product The biotechrabbit™ GenUP FFPE Paraffin Removal Solution is a bio-friendly, odor-free, and innovative solution that deparaffinizes FFPE slices in a single step within minutes. This product replaces the conventional procedures that involve toxic and/ or flammable solvents. After the removal of paraffin from FFPE slices with GenUP FFPE Paraffin Removal Solution, the following steps can be performed with the genomic DNA or RNA purification kit of your choice.