FD Hematoxylin Solution™, made from hematoxylin certified by the BIOLOGICAL STAIN COMMISSION and with a step by step user manual printed on the bottle, is specifically designed for easy use in all types of laboratories. This solution imparts a blue color to basophilic tissue elements such as nuclear chromatin and Nissl substances. This solution has been extensively tested on various types of tissue sections and was proven to deliver reliable and consistent results with excellent contrast and details. FD Hematoxylin Solution is suitable for H & E stain as well as for the counterstaining of immunostained sections.