BBC presents Gill's Hematoxylins for nuclear staining of the highest precision and clarity. BBC offers the Cytologist a choice of Gills 1, 2, or 3 half-oxidized Hematoxylins. Gill's Hematoxylins 1 and 2 are used primarily for Cytology, and Gills 2 or 3 can be used for Cytologic or Histologic applications. All BBC Hematoxylin formulations produce rapid and distinctive nuclear staining, and all have been aged to their peak of staining prior to shipping. BBC also offers superior hematoxylin for cytology: Cyto-Hematoxylin. It will produce the ultimate in precision and distinct nuclear detail.