How to Naturally Reveal Fingerprints With Lemon Juice

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You can use lemon juice and heat to reveal a person’s fingerprints.
You can use lemon juice and heat to reveal a person’s fingerprints. (Image: lemons and lemon tree image by jc from Fotolia.com)

Lemon juice provides a way for people to do many tasks, such as remove grease and dirt. However, this common fruit also has the power to naturally reveal fingerprints because of its acidic content. If you incorporate heat with lemon juice, you can find fingerprints easily.

Things You'll Need

  • 1 lemon
  • 1 cup of water
  • Container for microwave
  • Sponge
  • Cotton balls

Push a lemon down on a cutting board and roll it on the board at the same time.

Slice your lemon in two parts. Squeeze the juice from the parts of your fruit into an empty container. Take out the pits from the fruit.

Place a single cup of water in your lemon juice. Then, put the mixture in your microwave for 60 seconds on high.

Take out your container from the microwave. Put your sponge in the liquid in your container to remove any extra liquid.

Put the mixture on the location where you want to obtain the fingerprints. Wait for at least 60 seconds to give the acidity from the lemon a chance to break down the oil from the fingerprint. Then, use your cotton to absorb the prints.

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