Tina Davies PMU Needle Cartridges | Autoclavable Precision

Needle deflection and unstable cartridges compromise your pigment implantation, leading to excessive dermal trauma, patchy healing, and extended touch-up sessions. When working on delicate facial tissues, equipment failure simply isn't an option.

The Tina Davies PMU Needle Cartridges are a professional-grade cosmetic tattooing suite specifically engineered to deliver absolute needle stability and precise pigment control. Constructed from medical-grade stainless steel, these autoclavable cartridges ensure minimal epidermal resistance and exact colour deposit across all machine-based PMU techniques.

Engineered for Clinical Precision

Equip your workstation with professional-grade needle cartridges designed for consistent execution:

  • Medical-Grade Tensile Strength: Manufactured from surgical stainless steel to prevent needle buckling or bending during dense tissue penetration.
  • Comprehensive Configurations: Ranging from ultrafine 1RL for crisp nano strokes to 7CM for efficient shading and lip blush procedures.
  • Optimised Pigment Flow: Elongated tips and internal reservoirs ensure a steady, uninterrupted flow of pigment, reducing the need for constant dipping.
  • Integrated Safety Membrane: Built-in anti-backflow membrane eliminates the risk of cross-contamination into your rotary machine motor.

To maximise your healed results, pair these precision cartridges with high-retention formulations from our core pigment lines. Browse our premium collections including Tina Davies, Perma Blend, and Monica Ivani. Protect your clinical work by prescribing our recommended PMU Aftercare.



Read Product Specifications & Pro Tips

Tension & Membrane Specifications

The internal safety membrane acts as both a barrier and a tension regulator. It provides the exact resistance needed for rapid needle retraction, ensuring crisp punctures without dragging the skin—a critical factor for healed nano strokes and preventing blowouts in the basal layer.

Machine Compatibility & Stroke Length

These universally styled cartridges fit standard rotary PMU machines. Ensure your machine's stroke length (e.g., 2.5mm vs 3.5mm) is matched correctly to the cartridge configuration and your hand speed. A longer stroke with a 1RL requires a lighter touch to avoid depositing pigment into the deep dermis.


Professional FAQ: Troubleshooting PMU Cartridges

How do I prevent needle wobble when using a 1RL cartridge?

Needle wobble in a 1RL usually results from running your voltage too high for the skin's natural resistance, or holding the handpiece at an incorrect angle. Ensure your cartridge is fully locked in and address the skin at a strict 90-degree angle. Dial down your voltage slightly to match your hand speed, allowing the needle to puncture cleanly without lateral vibration.

When should I transition from a 1RL to a Curved Magnum (7CM)?

Reserve your 1RL (0.25mm or 0.35mm) for precise lining, nano strokes, and highly detailed mapping outlines. Transition to a 7CM when you need to efficiently pack pigment for lip blush or perform soft, pixelated powder brows. The curved array disperses pressure evenly across the dermis, minimising trauma while saturating a larger surface area.

Does the safety membrane affect the hitting power of my rotary machine?

Yes, excessively stiff membranes in lower-quality cartridges can cause motor strain. However, the medium-tension silicone membrane in these Tina Davies cartridges is calibrated to assist with rapid needle retraction without forcing your machine's motor to work overtime. This ensures consistent hitting power and predictable pigment depth throughout the procedure.

Recently Viewed Products