Photochromic Effect - Attracting the Most Attention During UV-Light Exposure

Photochromic inks are invisible under artificial light and will appear visible once exposed to outdoor sunlight or UV / black light. This effect is reversible. Once the ink is not exposed to sunlight or UV light, the ink will return to the transparent appearance within one or two minutes. Suitable for anti-counterfeiting products or special effect marketing on:

  • Vouchers
  • Tickets
  • Certificates
  • Tax stamps and others

Photochromic Ink Application Demonstration


Photochromic Pigment Sample Demonstration

Photochromic Ink & Pigment Features

  • Coating is clear until exposed to UV (sun) light and then color is seen
  • Color effect: Invisible to blue, purple, or yellow to green
  • Effect is reversible
  • Authentication method: Just expose printed area to sunlight or to UV light
  • Great for novelty applications – interaction with packaging
  • Usable as a security printed feature


color change effect

Photochromic effect: Transparent to red and transparent to blue



Learn more about how you can secure your important documents with NanoMatriX Photochromic Ink.

Please do not hesitate to contact us via +852 2523 9959 or


NanoMatriX creates, develops, and evolve products and solutions for brand protection & customer engagement. We offer the best-of-breed materials, components and security features for optimizing your business solutions. NanoMatriX designs what you desired.


We offer customized solutions, meeting clients’ requirements and protecting their invisible assets, and they will always come back for more


We make the world safer by ensuring the authenticity of identities as well as tangible and intangible assets


We achieve this through solid experience, deep technical knowledge and advanced technologies
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