Kwadron Optima Permanent Makeup Cartridge 1 Round Liner 0.25mm - Box

In this review the Kwadron Optima Professional Permanent Makeup Cartridge is examined from the perspective of an artist seeking reliable, precise liners for detailed work. The bottom line: this 1 Round Liner, 0.25mm long taper, box of 20 is designed for artists who need consistent, medical-grade components and accurate needle placement; the biggest reason to buy is the cartridge's combination of a surgical steel needle and stabilizing membrane system that protects against ink backflow while maintaining optimal ink flow for fine detail.

Key Features

• Medical grade materials: The cartridge housing is made from medical grade plastic to help maintain sterility and durability during procedures.
• Surgical steel needle: The 0.25mm surgical steel needle provides a fine, consistent point for super small details and precise liner work.
• Stabilizing system: A unique stabilizing design keeps the needle steady for accurate placement and predictable results on delicate areas.
• Membrane backflow protection: The built-in membrane system prevents tattoo ink from flowing back into the machine, supporting safer, cleaner sessions.
• EO gas sterilized: Each cartridge is sterilized with ethylene oxide gas for out-of-package sterility and ready use.
• Boxed convenience: Sold as a box of 20 cartridges, which helps maintain supply for frequent use without repackaging.

Who It's For

This cartridge is well suited to permanent makeup artists and technicians who perform precise liner work, including lash line enhancement, micro-lining and detailed cosmetic tattooing, and who value a medical-grade, sterilized component. Artists who need a thin 0.25mm needle for fine work will find the feel and consistency beneficial.

Those who perform heavy shading or require larger groupings of needles should look to magnum or shader cartridges instead, since this 1 Round Liner configuration is optimized for detail rather than broad filling. If single-use, boxed cartridges are not your workflow, a different supply format may be preferable.

Pros & Cons

Pros

• High-quality build with medical grade plastic and surgical steel for professional hygiene and feel.
• Very precise 0.25mm needle diameter that customers report produces excellent accuracy for small details.
• Membrane and stabilizing systems improve ink control and reduce the risk of backflow or inconsistent flow.
• Sold as an EO gas sterilized box of 20, convenient for maintaining a sterile inventory.

Cons

• Limited to a single round liner configuration, so artists needing multiple needle types must purchase additional models.
• The box format may not suit users who want individually packaged, numbered cartridges for tracking by procedure.

Specifications

Brand	Kwadron
Model	Optima Professional Permanent Makeup Cartridge
Needle Type	1 Round Liner
Needle Diameter	0.25mm
Needle Material	Surgical steel
Cartridge Material	Medical grade plastic
Sterilization	Ethylene oxide (EO) gas sterilized
Pack Quantity	Box of 20

Our Verdict

The Kwadron Optima 1 Round Liner 0.25mm cartridge is a strong choice for permanent makeup artists who prioritize precision and hygiene; its medical grade construction, surgical steel needle and membrane protection offer tangible benefits for fine liner work, making the box of 20 a practical value for practitioners focused on detailed cosmetic tattooing.

Frequently Asked Questions

Are these cartridges sterile out of the box?
Yes. The cartridges are EO gas sterilized and packaged so they are ready for use straight from the box.

What needle diameter is this cartridge?
This model uses a 0.25mm surgical steel needle in a 1 Round Liner configuration for very fine detail work.

Does the cartridge prevent ink backflow?
Yes. A membrane system and stabilizing design are included to protect against backflow and maintain optimal ink flow.