Dragon's Blood is a natural, resin, mentioned by Pliny in his Natural History. It has a weak tinting strength, and its rich red colour can be fugitive in direct sunlight. It is fully soluble in alcohol, and can be used to add a warm, transparent tone to spirit varnishes. Also available in powdered form.
(via Dragon's Blood Pieces - Gums and Resins - Pigments, Gums, Resins)
fugitive in direct sunlight
















