- colorless (invisible) when applied

- appears after contact with UV rays

- turns into dark brown / black shade depending on intensity of exposure and used surface

- very permanent - super long lifespam - almost impossible to buff!

- comes in resistant bottle with injection cap to prevent mess during refills


Invisible Stealth Ink formula is enhances by the UV rays - best by sunshine or any other light. The more your mark is exposed to UV rays, the darker it gets. 

Direct sunshine works the best, subway lights takes longer - same with summer and winter condition.

Stealth Ink