How to Make Invisible Ink
by Chopstick_corner in Living > Life Hacks
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How to Make Invisible Ink
![How To Make Invisible Ink](/proxy/?url=https://content.instructables.com/F4U/P6QJ/IPJTH7UK/F4UP6QJIPJTH7UK.jpg&filename=How To Make Invisible Ink)
Tutorial how to make invisible ink using lemon juice.
Step 1: Materials
![Invisible_ink_material.jpg](/proxy/?url=https://content.instructables.com/FZH/7S43/IPJTHC0C/FZH7S43IPJTHC0C.jpg&filename=Invisible_ink_material.jpg)
You will need:
A Lemon
A spoon (for stirring) - Did not use it in this tutorial
A cup to hold lemon juice
A small bottom (contain some water)
A cotton bud
Piece of paper
Step 2: Prepare Lemon Juice
![Invisible_ink_1-1.jpg](/proxy/?url=https://content.instructables.com/FVH/ZFDP/IPJTH7ZR/FVHZFDPIPJTH7ZR.jpg&filename=Invisible_ink_1-1.jpg)
![Invisible_ink_1-2.jpg](/proxy/?url=https://content.instructables.com/FFA/415O/IPJTH80K/FFA415OIPJTH80K.jpg&filename=Invisible_ink_1-2.jpg)
![Invisible_ink_1-3.jpg](/proxy/?url=https://content.instructables.com/FQY/8LTM/IPJTH80L/FQY8LTMIPJTH80L.jpg&filename=Invisible_ink_1-3.jpg)
![Invisible_ink_2-1.jpg](/proxy/?url=https://content.instructables.com/FJX/SZ8T/IPJTH846/FJXSZ8TIPJTH846.jpg&filename=Invisible_ink_2-1.jpg)
Cut the lemon and squeeze the juice into a container
Add few drop of waters and mix
Step 3: Write Invisible Ink on Paper
![Invisible_ink_2-2.jpg](/proxy/?url=https://content.instructables.com/F6D/T7ST/IPJTH870/F6DT7STIPJTH870.jpg&filename=Invisible_ink_2-2.jpg)
I strip of cotton off to have finer writing
Give it sometime for ink to dry
Step 4: Reveal the Hidden Writting
![Invisible_ink_3-2.jpg](/proxy/?url=https://content.instructables.com/FPJ/T8PD/IPJTH87U/FPJT8PDIPJTH87U.jpg&filename=Invisible_ink_3-2.jpg)
![Invisible_ink_3-3.jpg](/proxy/?url=https://content.instructables.com/FQZ/NJDC/IPJTH8AM/FQZNJDCIPJTH8AM.jpg&filename=Invisible_ink_3-3.jpg)
![Invisible_ink_3-4.jpg](/proxy/?url=https://content.instructables.com/F88/3V7W/IPJTH8GY/F883V7WIPJTH8GY.jpg&filename=Invisible_ink_3-4.jpg)
I use the matches, lightly behind the writting
The letter will be reveal by heat source
Thanks for follow my tutorial
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