Use Security Ink

to make your products easy to authenticate using a touch, rub, or special light. 


Check out these


Touch-activated thermochromic:

The most sensitive and responsive way to quickly check packages or documents. With body heat, the ink disappears or changes from one color to another.


exposed to body heat

Higher temperature thermochromic

— rub to disappear or reveal:

With friction caused by rubbing or heating, the ink disappears or changes from one color to another.

Fluorescing and photochromic inks:  

Create a watermark that only appears under a special wavelength light (fluorescing) or when taken into the sunlight (photochromic).

natural light

UV light

natural light

UV light


a CTI-proprietary technology. With the use of a PhotoTag scanner, a product can be confirmed authentic or fraudulent. In this example, the ghosted logo is printed using CTI's PhotoTag technology. This ensures product authenticity on primary and secondary packaging.

Available in Screen, Offset, Water-based Flexo, UV Flexo and other high-volume professional print formats, CTI solutions are press-ready.

Contact us today
for more information on Security Ink, such as color charts, design advice, and technical best practices – or to plan your qualification trial.

Chromatic Technologies, Inc. (CTI): the industry leader in thermochromic, photochromic and other packaging innovation technology, providing solutions to the world’s biggest brands in more than 50 countries.


EUpia, Swiss-compliant, low migration products available.


Press-ready solutions for nearly every printing format: Screen, Offset, Flexo, Gravure, Metal Deco and now Solvent Glow-in-the-Dark and Photochromic. Masterbatch for plastic applications also available.

Outstanding design and technical support.

CTI works with brands and converters on the most eye-catching, functional, award-winning industry innovations.
Contact us today for concepts, design advice, product recommendations and qualified solutions.

"safety is a cheap and effective insurance policy."

not tampered


tamper-evident envelopes

Alert individuals to when their identity and privacy has been compromised with envelopes equipped with tamper-evident features. The envelope will change colors when exposed to high temperatures. 

tamper-evident blisterpack

Alert consumers to potentially unsafe products with over-the-counter medicine equipped with tamper-evident seals. The blisterpack will change colors when exposed to high temperatures. 


not tampered

1096 Elkton Dr Colorado Springs CO USA 80907

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