The Hematoxylin and Eosin Stain Pack is intended for use in histology and cytology applications. Our Hematoxylin produces crisp, intense blue nuclei providing optimal contrast to the Eosin stained cytoplasm. Cytoplasm:Light Pink Collagen:Pink Muscle:Pink/Rose Erythrocytes:Pink/Red Nuclei:Blue/Violet Pack Includes: Hematoxylin, Mayer's (Lillie's Modification), 500ml Bluing Reagent, 500ml Eosin Y Solution (Modified Alcoholic), 500ml