Best blacklight pen ink for 2021

What are criterias of the best blacklight pen ink? It is not easy to find the answer. We spent many hours to analyst top 10 blacklight pen ink and find the best one for you. Let’s find more detail below.

Best blacklight pen ink

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Best blacklight pen ink reviews

1. GearLight UV Black Light Flashlight S100 [2 Pack] - Mini Blacklight Ultraviolet Pen Lights for Leak and Hotel Inspection - Pet Urine, Bed Bug, Scorpion, Stain, and Dye Detector

Feature

MULTI-FUNCTION GADGET FOR PROFESSIONAL USE These UV light pocket flashlights are designed for hotel room inspections, revealing unknown human and pet fluid stains, bed bugs and rodent contamination, and hidden carpet spots that can't be detected by the naked eye. Quickly spot scorpions or use it to authenticate currency, official identification cards, and passports.
COMPACT LIGHTWEIGHT DESIGN FOR TRAVEL This lightweight, portable pocket-size ultraviolet light is ideal for outdoors, while traveling, and even for casual use around the house. It can easily be packed into your purse or travel bag, or you can use the removable pocket clip to attach it to your belt, shirt, or pants pocket to take it everywhere you go.
DURABLE WEATHER RESISTANT ALUMINUM BODY This blacklight flashlight is meticulously engineered for rough handling. Made with durable aluminum, this torch can survive accidental drops, temporary water submersion, and perform reliably under any condition. These blacklight flashlights can be powered for hours with 2 standard AAA batteries. (Batteries are not included).
[EXCEPTIONAL VALUE] | INCLUDES 2 PEN UV LIGHTS Keep one in your car, one in your home, or gift one to a cleaner, friend or family member. Every genuine GearLight comes with a 1-year, no questions asked replacement warranty and friendly customer service provided by GearLight, a U.S.-based company.
FOR BEST RESULTS To enhance the black lights' lifespan, please remove the batteries when not in use. This UV flashlight will not work on wet stains, fresh urine stains, or new $100 bills.

2. DirectGlow Set of 3 Invisible UV Blacklight Ink Marker Blue Red Yellow

Feature

These invisible UV ink markers by DirectGlow are completely invisible in normal light and glow incredibly bright in UV blacklight. Write a secret message, mark your valuables or have a blast at the next glow party!
You get 3 full sized markers. One blue, one red and one yellow. Markers have a fine tip for precison application and colored coded cap designates the ink color inside for quick easy reference. The DirectGlow logo on our markers ensure you are getting a genuine product that is built and tested to meet our rigourous quality stadards.
Our non toxic ink adheres to any porous surface with ease and dries fast. Very tought to remove unlike other brands making them ideal for security, verification and admissions. Mark the skin or your valuables for quick easy identifcation in blacklight. The ink glows like crazy and makes quick spot checks a breeze!
Our markers are often used for blacklight events, glow parties, UV decor, birthdays, escape rooms, scavenger hunts, admissions, authentic return verifications, and so much more! If you need invisible marking that only shows in UV blacklight, these are the markers for you!
DirectGlow offers numerous UV ink marker styles, keychain blacklights along with a full range of bottled invisible ultraviolet ink. Click our name "DIRECTGLOW LLC" to see our entire selection! DirectGlow has been in the glow business for 10+ years and will go above and beyond to ensure you are fully satisfied with your purchase!

3. DirectGlow Set of 3 Invisible UV Blacklight Ink Marker Blue Red Yellow with UV Lights

Feature

Each marker is 3.5 inches in length and comes with a separate UV pinch light
Ink is completely invisible in normal light; very bright under blacklighted conditions
Alcohol based. Dries quickly.
Adheres to any surface with ease. Does not wash off easily.
Three blazing bright colors: Blue, red, and yellow

4. Invisible Ink Pen, MALEDEN Upgraded Spy Pen Invisible Ink Pen with UV Light Magic Marker for Secret Message and Kids Halloween Goodies Bags Toy (6pcs)

Feature

Spy Pen:The ink is invisible after you write with it,unless you light on the cap blacklight to see the secret message perfectly.
Invisible Ink Pen:Harmless and flavorless ink,healthy toys for your children!Smooth and colorful disappearing inks on T-Shirts,paper,skin and any surface!Permanent but washable!
Halloween Party Goodies:Perfect for the RSVP's to wedding invitations;Goody bags for kids spy party;Make a fun party favor;Great goddie bag treat and brings you an amazing variety of fun applications.Birthday Gifts,Halloween Gifts,Christmas Presents for kids and friends( Individual Packed).
Permanent Fun:Batteries included.Please BE CAREFUL with small items:Children above 3 years.
Brand Guaranteed:Please contact us if there is any question or problem,our professional customer service team is always here for you.

5. DirectGlow Invisible UV Ink Marker Pen with Metal Bullet LED Blacklight

Feature

This invisible UV blue ink marker by DirectGlow are completely invisible in normal light and glow incredibly bright in UV blacklight. Write a secret message, mark your valuables or have a blast at the next glow party!
You one full sized blue marker and one ultra durable metal bullet UV keychain light. Batteries can be changed once exhausted. Marker has a fine tip for precison application. The DirectGlow logo on our markers ensure you are getting a genuine product that is built and tested to meet our rigourous quality stadards.
Our non toxic ink adheres to any porous surface with ease and dries fast. Very tought to remove unlike other brands making them ideal for security, verification and admissions. Mark the skin or your valuables for quick easy identifcation in blacklight. The ink glows like crazy and makes quick spot checks a breeze!
Our markers are often used for blacklight events, glow parties, UV decor, birthdays, escape rooms, scavenger hunts, admissions, authentic return verifications, and so much more! If you need invisible marking that only shows in UV blacklight, these are the markers for you!
DirectGlow offers numerous UV ink marker styles, keychain blacklights along with a full range of bottled invisible ultraviolet ink. Click our name "DIRECTGLOW LLC" to see our entire selection! DirectGlow has been in the glow business for 10+ years and will go above and beyond to ensure you are fully satisfied with your purchase!

6. Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue

Feature

Invisible/colorless in normal light. Glows bright blue in UV blacklight. Please note, these markers do NOT glow in the dark. You must have a blacklight to get the glow effects.
Extra large body with broad tip. Contains twice the ink as our standard sized markers!
Safe for use on skin. Use for security marking (such as admissions) or create amazing invisible body art designs that glow in blacklight!
These are the markers you want for semi permanent invisible marking. These markers can be used for: Event Tickets, Industrial Coding, Security Printing, Coupons, Raffle Tickets, Inventory Control, Advertising, and more!
Ink is fast drying and does not remove easily! Avoid sensitive area such as eyes, mouth, and nose

7. DirectGlow 12 Invisible Ink Markers & 4 UV LED Lights UltraViolet Blacklight Pens Blue Red Yellow Assorted

Feature

12 full size ink markers and 4 separate LED keychain lights with DirectGlow logo included
Invisible by day and incredibly bright under UV blacklight
Mark valuables in the event of a burglary or theft. Does not wash off easily. Very tough to remove.
Great for glow parties, secret messages, body art, or just fun
All in one solution at a bargain price by DirectGlow

8. Opticz Blacklight Reactive Invisible Blue Ink All Purpose UV Marker with UV Light

Feature

All purpose formulated ink is safe for use on skin. Solid metal body with snap on cap is strong and durable. Matching metal mini UV light included.
Can also be used on: Aluminum, cardboard, ABS, Acrylic, Rubber, Cellulose, Acetate, Formica, Nylon, Polystyrene, Polyethylene and most other materials and porous surfaces
Ink is water proof and very difficult to remove. Best viewed in dark or shaded area. Opticz Blacklight Reactive Invisible All Purpose Inks are suitable for paper marking as well as non-pourous material marking. This ink is invisible/colorless and will glow bright blue under UV blacklight.
Ink is formulated to fluoresce brightly under long wave ultraviolet light only. They do NOT glow in the dark!
Fast drying and non-transferable. Ideal for applying onto an already printed surface. Avoid eye contact and excessive inhalation. Do not ingest. KEEP OUT OF THE REACH OF CHILDREN.

9. LE Small UV Blacklight Flashlight, Portable Black Light 395nm, Ultraviolet Light Detector for Invisible Ink Pens, Dog Cat Pet Urine Stain, AAA Batteries Included, Pack of 2

Feature

Suitable to look for insects such as scorpions and bed bugs. Detect animal urine, dirt and more.
Made of sturdy and durable aluminum alloy material, no functional problems under 1.5M/4.92ft drop test.
Ultra-compact design: The pocket-size UV flashlight can be carried along to detect stains in your car or illuminate minerals, body art.
Essential tool for pet lovers, portable and lightweight torch, convenient to carry to anywhere.
LE Pet UV Urine & Stain Detector UV Flashlight lacklight 3 x AAA Batteries are included) 24-hour Professional service Center, full refund within 30 days, 24 months warranty and 24/7/365 technical support.

10. UV Blacklight Flashlight,Castnoo 395NM UV Flashlight-Zoomable Mini Blacklight Pen Light for Leak,Pet Urine,Hotel Inspection,Dry Stain(1 Pcs)

Feature

Rotating Focus:Our pen uv flashlight can rotate lamp cap for focus range, adjust it's focus for get spot beam or flood beams you need,the focus mode range is small,the light is intense.
Pocket Size and Lightweight:Castnoo uv flashlight blacklight at 5.5 inches in length,lightweight and small size with clip designed fits most of pockets,shirt,or pants.It's easy to carry everywhere ,powered by 2*AAA batteries. (Battery Not Included)
Widely Used:Our UV flashlight are designed for detect hidden carpet spots that can't be detected by the naked eye. Use it to authenticate currency,official identification cards,passports,and check hotel room.
Waterproof and Durable :O'ring sealed,waterproof design, can be used in rainy weather.But don't submerge in water,the pen uv flashlight make of hight quanlity lenses and aluminum construction with unbreakable,scratch-resistant.
What You Get :1 Pen uv flashlight,30 days 100% money back guarantee or free replacement.If you are not satisfied with our UV blacklight flashlight or have any question about it, please contact us anytime.

Conclusion

All above are our suggestions for blacklight pen ink. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using blacklight pen ink with us by comment in this post. Thank you!