




Dr. Pen A6: Heavy-Duty Surgical-Grade Needles(10 Pack)
✅ Heavy-Duty Architecture powers through dense body tissue and mature stretch marks. ✅ Thick-Gauge Titanium prevents needle deflection on hardened surgical scars. ✅ Strict EO Sterilization guarantees absolute safety when reaching 2.5mm dermal depths.

Dr. Pen A6: Heavy-Duty Surgical-Grade Needles(10 Pack)
Product details
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Heavy-Duty Penetration Dynamics
Body skin (abdomen, thighs) and mature stretch marks are significantly thicker and tougher than facial skin. The official A6 cartridges are built with Heavy-Duty Surgical-Grade Needles. These structurally reinforced pins do not buckle under the intense motor torque, ensuring a clean, vertical punch through the toughest dermal barriers to trigger massive collagen repair.

Deep Tissue Contamination
Treating severe stretch marks at 2.0mm - 2.5mm depths exposes the deeper vascular layers. Using cheap, unsterilized knock-off cartridges or attempting to reuse an A6 cartridge introduces severe risk of blood-borne infections. Genuine A6 cartridges feature a secure Anti-Backflow membrane and are strictly single-use.
Clinical Protocol & Disposal
Installation
Lock the heavy-duty cartridge into the A6.
Execution
For stretch marks, apply HA serum and use the 36-pin at 1.5mm - 2.5mm depth.
Disposal
Dispose of the bio-hazard cartridge immediately after the session.
Technical Specifications
| Parameter | Specification |
|---|---|
Compatibility |
Exclusive to Dr. Pen A6 |
Material |
Heavy-Duty Surgical Titanium |
Safety Feature |
Anti-Backflow Membrane |
Sterilization |
EO (Ethylene Oxide) Gas |
✈️ Free Global Shipping
🛡️ 1-Year Warranty
FAQs
Please read our FAQs page to find out more.
Q1: Which A6 cartridge is best for stretch marks?
A: The 36-pin or 42-pin A6 cartridges are best for stretch marks, as they provide high-density coverage across large surface areas of thick body tissue.
Q2: Can I use the A6 cartridges on the A6S?
A: No. The A6 uses a classic bayonet lock, while the A6S uses a proprietary Smart-Lock bayonet. They are not cross-compatible.
Q3: Are these needles strong enough for 2.5mm depths?
A: Yes, official A6 cartridges are structurally reinforced (Heavy-Duty) to handle the intense pressure of 2.5mm deep-tissue penetration without buckling.
Q4: Can I clean the cartridge with alcohol and use it again?
A: No. Alcohol cannot remove the blood and proteins inside the anti-backflow chamber, and the needles are permanently blunted after one heavy-duty session.
Q5: Which is better for the face: 12-pin or 36-pin?
A: For the face, the 12-pin is better because it penetrates cleanly without the "bed of nails" resistance. The 36-pin should be reserved for the body.
Q6: Does the A6 cartridge prevent blood from entering the pen?
A: Yes, it features a physical anti-backflow membrane to isolate your blood from the A6's powerful motor.