Invisible UV Ink for Inkjet Printers - Light Magenta 10 ml

In this review the Procart Invisible UV Black Light Ink for Inkjet Printers is assessed for anyone needing covert printing or security marking. The bottom line: it produces genuinely invisible prints under normal light that fluoresce clearly under a 365 nm black light, making it useful for document security, property marking, and creative invisible decor. The reviewer found it easy to use with refillable inkjet cartridges and reliably resistant to sunlight, water and heat, so the fluorescent marks remain visible under UV after routine exposure.

Key Features

• Invisible under normal light: Prints are effectively invisible to the naked eye so you can hide barcodes, labels, or images until inspected with UV.
• Works with inkjet printers: Formulated specifically for inkjet refillable cartridges so it integrates into standard printing workflows.
• Optimal UV response: Fluorescence is strongest when viewed with a 365 nm UV lamp, giving a bright reveal under the recommended wavelength.
• Durable formula: Resists sunlight, water and heat so printed marks retain fluorescent intensity after normal handling and exposure.
• Multiple color options: Available in several high-visibility fluorescent tones including light magenta for varied marking or anti-counterfeit schemes.

Who It's For

This ink is best for small businesses, event venues, security teams, or hobbyists who want covert markings for admissions control, anti-counterfeiting, property tagging, or hidden decorations. Designers and venue owners can create invisible posters or wallpapers that appear only under a black light for novelty or safety uses.

It is not for users who need pigment permanence on all materials or for non-print applications; the product is intended for use in inkjet printers with refillable cartridges only and is not formulated for screen printing, pens, or non-inkjet equipment.

Pros & Cons

Pros

• Truly invisible under normal light, providing discreet security or decorative uses.
• Prints fluoresce strongly with a 365 nm UV lamp for reliable detection.
• Formulated for inkjet refillable cartridges, making setup straightforward for compatible printers.
• Resists sunlight, water and heat so markings remain effective after exposure.

Cons

• Requires refillable inkjet cartridges and a 365 nm UV lamp, so additional supplies are needed.
• Not suitable for non-print applications or printers that do not accept refillable cartridges.

Specifications

Our Verdict

The Procart light magenta invisible UV ink is a practical, cost-effective choice for anyone who needs covert printing that reliably fluoresces under a black light. It is good value for security tagging, admissions control and creative invisible decor if you already use refillable inkjet cartridges and can access a 365 nm UV lamp.

Frequently Asked Questions

Can I use this ink in any inkjet printer?
It is designed for printers that accept refillable inkjet cartridges; check your printer supports refillable cartridges before using.

Will the printed image be visible in sunlight or rain?
The ink resists sunlight and water so fluorescence remains detectable under UV after normal exposure, though it is not visible under normal light.

What do I need to see the fluorescent image?
You need a UV lamp around 365 nm for the best fluorescence response and clear visibility of the printed image.