Invisible ink written by advertising agency

 Invisible ink is a substance of writing, which is either invisible on application, or soon thereafter, and which later on can be made visible by some means. The use of invisible ink is a form of steganography, and has been used in espionage.

Invisible ink is like an ultraviolet marker pen . Whose marks are transparent it can be seen only under an ultraviolet rays.

Ink cannot be washed away by water or sweat. It can be removed with soap and water or it will self-evaporate from skin within 2-4 days. It offers quick drying times of no more than 15 seconds for an ideal solution for high-traffic event.


In a cool and dark storage the ink can be hidden for years.



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