The basics Thick Blood is an arterial colored gel-like blood that allows artists to create raised blood effects that simulate fresh wounds and injuries. The benefits Thick Blood’s gelatinous consistency provides it with the ability to hold shape while remaining formable after application for an extended working time. The uses Instant abrasions and road rash can be made with ease by scraping a stipple sponge along the skin. The bottom line This essential product is a must-have for any Halloween enthusiast, SFX, Trauma Simulation, or film & television makeup artist.