How to Make an Invisible Ink Message. Do you want to write your password down so that no one can see it, or do you want to send someone a secret message? Knowing how to make an invisible ink message will have you feeling like a secret.
Make Invisible Ink to Write and Reveal Secret Messages
We can use invisible ink to write each letter of GHOST at each station. Make Invisible Ink To Write and Reveal Secret Messages: Iodine solution reveals invisible ink messages written using corn or potato starch.