---
product_id: 3620920
title: "Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle)"
brand: "opticz"
price: "₨8509"
currency: LKR
in_stock: true
reviews_count: 8
category: "Opticz"
url: https://www.desertcart.lk/products/3620920-opticz-all-purpose-invisible-blue-uv-blacklight-reactive-security-ink
store_origin: LK
region: Sri Lanka
---

# Fast-drying alcohol-based formula Bright blue glow under UV blacklight Invisible in normal light Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle)

**Brand:** opticz
**Price:** ₨8509
**Availability:** ✅ In Stock

## Summary

> 🔵 Illuminate the unseen, own the night!

## Quick Answers

- **What is this?** Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle) by opticz
- **How much does it cost?** ₨8509 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/3620920-opticz-all-purpose-invisible-blue-uv-blacklight-reactive-security-ink)

## Best For

- opticz enthusiasts

## Why This Product

- Trusted opticz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **UV Glow Power:** Reveals a vibrant blue glow only under blacklight, perfect for exclusive events and security checks.
- • **Safe & Trusted:** Non-toxic and reliable Opticz brand ink, ideal for stamping, marking valuables, and creative crafts.
- • **Quick-Dry Formula:** Alcohol-based ink dries rapidly, ensuring efficient application without smudges.
- • **Stealth Mode Activated:** Completely invisible under regular lighting for covert marking and security.
- • **Versatile Volume Options:** Available in 2oz to 32oz bottles with quantity discounts to suit any project size.

## Overview

Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink is a fast-drying, alcohol-based ink that remains invisible in normal light but glows bright blue under UV blacklight. Available in multiple sizes with quantity discounts, it’s perfect for secure marking, glow parties, and creative projects. Non-toxic and trusted by professionals, this ink offers a stealthy yet vibrant solution for both security and artistic needs.

## Description

desertcart.com : Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle) : Party Favors : Office Products

Review: This stuff is excellent- but truly an ink, not a paint. - This product is easy to use and looks great under a black light. I've painted plastic, metal, fabric, paper and resin with minimal issues. I found that painting over fabric is particularly successful, and white is best. I was glad that I read the reviews that indicated that while this works well- it is very thin. On occasion, you do need a few coats to really pop- particularly if the object isn't stark white. This didn't show up on anything I painted in normal light- and is very much invisible until revealed by blacklight. This is exactly the answer to what I was looking for, for personal projects. I would buy again.
Review: Works well for decorating outdoor signs - Works well! I used this to decorate signage for Halloween. It is easy to use. The ink does absorb light and give it off at night. I would recommend this product for arts and crafts.

## Features

- Invisible in regular light, glows bright blue in blacklight. The colors really pop in ultraviolet light but are undetectable in normal light.
- Choose between 5 sizes discounted by quantity. 2oz, 4oz, 8oz, 16oz and 32oz.
- Ideal for glow parties, hand stamping, marking valuables, admissions, and much more!
- Safe and non toxic when used as directed. Alcohol based and fast drying. Ideal for stamp pads and rubber stamps. NOT FOR PRINTERS OR TATTOOS.
- Trusted Opticz Brand. We also carry a full line of invisible UV ink marker, uv blacklights and daytime visible inks. Click on our brand name OPTICZ to see our entire selection in our storefront!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005X8PKBI |
| Best Sellers Rank | #72,402 in Office Products ( See Top 100 in Office Products ) #78 in Bottled Pen Ink |
| Brand Name | Opticz |
| Container Type | Bottle |
| Customer Reviews | 4.1 out of 5 stars 832 Reviews |
| Global Trade Identification Number | 00595013905461 |
| Ink Color | Blue |
| Manufacturer | Opticz |
| Paint Type | Alcohol |
| UPC | 595013905461 890747002302 |
| Volume | 2 Fluid Ounces |

## Product Details

- **Brand:** Opticz
- **Package Information:** Bottle
- **Paint Type:** Alcohol
- **Item Volume:** 2 Fluid Ounces
- **Global Trade Identification Number:** 00595013905461

## Images

![Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle) - Image 1](https://m.media-amazon.com/images/I/61p1NYcbmuL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What would this look like on black fabric?**
A: The ink will still glow in UV light on any surface. The exact appearance would depend on how absorbent the fabric is.

**Q: I live in a high crime town,i have lost 5 tables from the front porch,looking for a invisable long lasting ink/marking method so if cops can identify**
A: If you mark the underside of the table so that it is not exposed to sunlight or rain, it should work fine.

**Q: Can you use if in a fountain pen?**
A: Would not be ideal for this purpose. Fountain pen ink is typically water based. Our inks are alcohol based and much thinner than a water based ink. They can work well with calligraphy pens in some cases, but an alcohol based ink would not mesh well with the internal parts of a fountain pen.

**Q: What wavelength (nm?) of black light is the ink most sensitive to?  i want to purchase some uv leds and want the brightest florescence i can get.  thx**
A: 385-390NM. Fluorescent black light works the best.

## Customer Reviews

### ⭐⭐⭐⭐⭐ This stuff is excellent- but truly an ink, not a paint.
*by A***R on October 21, 2022*

This product is easy to use and looks great under a black light. I've painted plastic, metal, fabric, paper and resin with minimal issues. I found that painting over fabric is particularly successful, and white is best. I was glad that I read the reviews that indicated that while this works well- it is very thin. On occasion, you do need a few coats to really pop- particularly if the object isn't stark white. This didn't show up on anything I painted in normal light- and is very much invisible until revealed by blacklight. This is exactly the answer to what I was looking for, for personal projects. I would buy again.

### ⭐⭐⭐⭐⭐ Works well for decorating outdoor signs
*by G***. on February 12, 2025*

Works well! I used this to decorate signage for Halloween. It is easy to use. The ink does absorb light and give it off at night. I would recommend this product for arts and crafts.

### ⭐⭐⭐⭐ Better than hoped
*by C***. on September 18, 2024*

This product was purchased for two specific projects. First one, painting a temporary tattoo style death eater mark (Harry Potter) on my forearm. Second one possible make up overlay for Halloween/cosplay. The photos attached are during daytime lit room, and no light pollution dark room. Try not to laugh at my horrible drawings as I really could not see once the ink dried and was just playing around with it. My right leg “Hi” shows The high alcohol content of the ink that allows for super fast dry time, however, the downfall to this is that it is very, very, thin and runny. You will see a lot of bleed through as it absorbed in the cracks in your skin. It is very bright in both bright light, low light, and dark situations when lit with the smallest UV light. UV light shown is a Stylus pen light held about 3-4 feet above the my legs The photos do show a very high saturation light, very bright, but not overly so. My left leg “Hello” shows the durability after three warm and hot water with Dove hand soap, Jurgens, body wash, and lava soap. So once it’s on, it’s gonna stay on. Good thing about this is if you get it, wet and press, clean skin to it, no noticeable ink transfer was found. I did not try a traditional hand stamp or ink pad. I used a talon acrylic fine tip Paintbrush so I cannot speak on how it would work using that. For something simple, fun or quick I would highly recommend this, especially for the price. The 2 ounce bottle I purchased is more than suffice as truly the adage a little goes a very long way with this product. The only reason why I did not give it a full five stars, even though it is invisible during non-UV lighted areas, its major pro is also its highest con. You just can’t wash the stuff off. 🤣

## Frequently Bought Together

- Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (2 Ounce Bottle)
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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-22*