: Apply a solution of Potassium Thiocyanate to the skin (it will look clear). Trigger : Coat a blunt prop knife in Iron (III) Chloride .
: When the knife touches the skin, a chemical reaction creates Iron(III) Thiocyanate , which is a deep, blood-red color.
: Mix in Cocoa Powder or Chocolate Syrup . This adds "body" and prevents the blood from looking like transparent red syrup. BloodHD
This version is safe for use around the mouth and has a realistic, viscous look that mimics oxygenated blood.
: The soap helps the dye lift from fibers during washing, though you should always test a small patch of fabric first. 3. "Chemical Cut" (Special Effects) : Apply a solution of Potassium Thiocyanate to
: Start with Corn Syrup as your primary thickening agent.
Watch these demonstrations to master the texture and color of your fake blood: How to Make Fake Blood YouTube · Denver Center for the Performing Arts : Mix in Cocoa Powder or Chocolate Syrup
: Add Red Food Dye gradually. Use a tiny drop of Blue or Green Dye to deepen the red into a more realistic, darker venous color.