Kwadron Optima Permanent Makeup Cartridge 1 Round Liner 0.40mm - Box

In this review of the Kwadron Optima Professional Permanent Makeup Cartridge, the bottom line is simple: this box of 20 cartridges is aimed at experienced permanent makeup artists and technicians who need consistent, precise single-needle performance for fine lining and micro detail work. The reviewer found the 0.40mm 1 Round Liner configuration delivered reliable ink flow and a steady feel thanks to the cartridge's stabilizing and membrane systems, making it a practical choice for detail-focused procedures where cleanliness and control matter.

Key Features

• Medical grade plastic: Durable cartridge bodies provide a consistent fit and reduce wobble for steadier line work.
• Surgical steel needle: The 0.40mm single round liner needle offers precise puncture size ideal for micro details and crisp strokes.
• Optimal ink flow: Needle configuration and channeling are designed to maintain steady ink delivery for smoother application.
• Backflow protection: The membrane system helps prevent tattoo ink from entering the machine, preserving hygiene and reducing contamination risk.
• EO gas sterilized: Ethylene oxide sterilization ensures the cartridges arrive sterile and ready for clinical use.
• Box of 20: Sold in a pack of 20 cartridges for routine studio needs and predictable inventory management.

Who It's For

The Kwadron Optima 1 Round Liner 0.40mm is best for professional permanent makeup artists and technicians who perform detailed eyebrow, eyeliner, and lip work and who value a cartridge that supports precise control. Its small needle diameter and stabilizing design suit microblading-adjacent lining techniques and any client work requiring crisp, hairlike strokes.

Less experienced users or hobbyists who are still learning needle depth and speed may prefer larger-grouping cartridges or guided training kits instead, as the single 0.40mm needle demands careful technique to avoid overworking delicate skin.

Pros & Cons

Pros

• High-quality construction with medical grade plastic and surgical steel gives a consistent, professional feel.
• Precision 0.40mm round liner is excellent for super small details and crisp lines, as noted by users.
• Membrane and stabilizer systems support steady ink flow and reduce backflow risk, improving hygienic safety.
• Sterilized by EO gas and sold in a box of 20 for studio convenience and inventory predictability.

Cons

• Single-needle 0.40mm size can be unforgiving for beginners and requires practiced technique to use effectively.
• Sold only in boxes of 20 may be more cartridge than a low-volume artist needs at once.

Specifications

Brand	Kwadron
Model	Optima Professional Permanent Makeup Cartridge
Configuration	1 Round Liner, 0.40mm
Needle Material	Surgical steel
Cartridge Material	Medical grade plastic
Sterilization	Ethylene oxide (EO) gas sterilized
Pack Size	Box of 20

Our Verdict

The Kwadron Optima 1 Round Liner 0.40mm is a solid choice for professional PMU artists who need reliable, precision single-needle cartridges with built-in backflow protection and consistent ink flow. It represents good value for studios that perform detailed lining and want sterile, ready-to-use cartridges in bulk, though beginners should seek training before using this fine gauge.

Frequently Asked Questions

Are these cartridges sterile out of the box?
Yes. They are ethylene oxide (EO) gas sterilized and packaged ready for clinical use.

What needle diameter is this cartridge?
This configuration is a 0.40mm single round liner needle, intended for precise detail work.

How many cartridges come in a pack?
The product is sold as a box of 20 cartridges, suitable for studio inventory and repeated procedures.