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How To do Invisible ink?

I want to hide my notes,records on the paper.I don't want to use ink.I want to write with invisible ink.so I want to know how to do invisible ink?

blkhawk5 years ago
This has been answered before at this link
Kiteman5 years ago
Have you tried this link?
rickharris5 years ago
Lemon juice - develop via heat

OR

Wet the paper - put a dry sheet on top and writ on it.

When he under paper dries it will be plain. wetting it will reveal the writing.