Face OffHow-ToBlood Effects

Blood Effects
By Glenn Hetrick

This is how you make some fun, safe blood for easy gore effects at home! You don’t have to stick to this recipe exactly… there are no rigid rules; this is more of a basic guideline. Blood can actually be seen in a variety of colors depending on the person, how much oxygen is in the blood, how long the blood has been exposed to air, etc.


  • Karo Syrup (light)
  • Karo Syrup (dark)
  • Red Food Coloring
  • Green Food Coloring
  • Blue Food Coloring
  • Yellow Food Colorings


  • Flour
  • Peanut Butter
  • Cocoa Powder
  • Dish Soap
  • Cabosil

Step 1:

Mix the dark and light Karo Syrup (any grocery store should carry this) together to get the desired opacity…the more dark that you use, the more opaque the blood will be.

Step 2:

Add red food coloring to attain the desired red level.

Step 3:

Next, add a SMALL amount of green food coloring to darken the blood. Judge the amount of green by eye and preference.

Step 4:

Adjust the final tone by adding VERY SMALL amounts of blue and/or yellow to adjust the green value.

Additional steps

With the homemade blood, several things can be added for different effects:


Flour can be added to thicken the blood. Thickened blood can be applied as a “gel” to even create simple wound effects.


Peanut Butter can be added in clumps to make the blood look like it is coagulating.


Cocoa Powder can be used to darken or “brown up” the blood to make it look older.


Dish Soap can be added to make it flow better (but DO NOT PUT THIS MIXTURE IN YOUR MOUTH OR NEAR YOUR EYES) and to help it not stain clothes (no guarantees that it won’t stain; test fabric first!).

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