3 Best DIY Fake Blood Ideas for Halloween Costumes

Bloody Halloween composition: high angle view of ceramic crockery in blood placed on dirty gauze, witch finger cookies in bloody cup

Fake Blood for Clothes

For clothes, you will need to make the blood a bit thicker and darker. This recipe is non-toxic and also made with edible ingredients. Ideally, you’d want to make a bigger batch of this fake blood so you can thoroughly soak your costume. This recipe uses “parts” versus exact measurements for the corn syrup and water. That way, you can make as little or as much as you like:

Mix three parts corn syrup thoroughly with one part water in a large bowl. Add a couple of drops of red food coloring into the mixture while stirring continuously. Keep adding more drops of food coloring until the blood is the desired color. Stir for at least five minutes to distribute the food coloring evenly.

Add three tablespoons of cocoa powder to the mixture and stir. This thickens the blood. Keep adding the cocoa powder, a tablespoon at a time, until it reaches the consistency you desire. The blood will be thick but not lumpy, so it can sit on your clothing and absorb without running. Plus, these tips will help you make your house extra fun and spooky this year.

Wall from a haunted house built for Halloween. Sculpture was made by me so I hold any copyrights.

Fake Blood for Halloween Decorations

A batch of fake blood and guts is perfect for a haunted house or other Halloween decorations.

To make the guts, you need:

  • Two tablespoons cornstarch;
  • Four teaspoons water;
  • Two to five drops red food coloring;
  • 1/2 teaspoon cocoa powder.

Mix together the cornstarch, food coloring and water in a bowl. Mix until you have a smooth consistency. Then, mix in the cocoa powder — small clumps are okay, it will look like blood clots. Use your fingers to press the mixture against the side of the bowl to form organ shapes. You may wish to mix in a little more cornstarch or cocoa mix to firm up or darken your organs.

For the blood:

  • 2/3 cup chocolate syrup;
  • 1/3 cup laundry detergent;
  • Four to six teaspoons red food coloring;
  • This blood is not edible and should not come into direct contact with your skin.

Combine the chocolate syrup, laundry detergent and food coloring. Mix until it’s a smooth consistency. Arrange the guts into whatever shape you desire. Cover the flesh and organs with the fake blood. If you want the blood to be a bit runnier, thin it out with water and a few drops of red food coloring.

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