MORPHOLOGY Hematoxylin Phloxin Saffron NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis MASSON'S TRICHROME NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis SIRIUS RED NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis WARTHIN STARRY NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis