The basics Thickened syrup based blood for blood clots and scabbing effects. The benefits Washes off skin easily with soap and warm water and from most fabrics and surfaces, though spot testing is suggested before use. The uses The thick consistency imitates drier blood and stays in place for long performances such as disaster drills and training exercises.  The bottom line The blood of choice for theater productions, video shoots and movies! In bright arterial red.