This Stage Blood by Mehron was developed for a realistic theatrical appearance both for on stage and film. Stage Blood is a viscous, lifelike, nearly opaque liquid that is non-toxic and so safe it's even edible. Stage Blood can be used in and around the mouth because it is made of non-toxic ingredients. This Professional Stage Blood washes off skin easily with soap and water. (Please test for staining on clothing before applying) this is the 1 oz. Stage Blood that comes with a free brush.