atrament sympatyczny

At times, it seems as if the history of women is written with invisible ink.

I, too, remember writing notes to my best friend with invisible ink to pass in class.

Usually, his statistics are all but written in invisible ink.

How the hell would he get invisible ink in prison?

It was written in invisible ink & held up to our flame.

The injury was followed by damage to the right eye as a result of using invisible ink.

This caused a message written in invisible ink to appear.

All this is written clearly, in invisible ink, between the lines of the rule book that every player knows by heart.

You reminded me of doing the same thing as boy with invisible inks.

Also popular was the practice of conveying information in invisible ink.