Key Features & Selling Points
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Multi-Model Compatibility: Precision-engineered bayonet connection designed specifically for Dr. Pen models including M5, M7, N2, E30 ensuring a snug, wobble-free lock during high-speed oscillation.
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Crystal-Clear Transparent Housing: Fully transparent casing allows complete visibility of serum flow and needle movement for maximum precision and hygiene monitoring during procedures.
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Flexible Silicone Spring Stem: Features an upgraded, highly responsive silicone spring stem that absorbs excess vibration and ensures smooth, consistent reciprocating action without jamming.
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Surgical-Grade Stainless Steel & Nano Options: Built with medical-grade stainless steel pin tips for clean skin entry, as well as ultra-gentle microscopic Nano tips for sensitive areas and serum infusion.
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Hygienic & Individually Sealed: Every cartridge is individually packaged and pre-sterilized to maintain strict hygiene standards for single-use safety.
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Easy Twist-Lock Installation: Simple bayonet slot mechanism lets you securely attach and detach needle heads in seconds with a simple push-and-twist motion.
Package Contents & Options
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Single Pouch: 1 × Individually Sealed Sterile Bayonet Cartridge
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Multipack Options: Available in sets of 10 pcs / 20 pcs / 30 pcs / 50 pcs
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(Note: Compatible Dr. Pen devices are shown for fitting verification only and are not included in the cartridge package.)
Technical Specifications
| Specification | Details |
| Connection Type | Bayonet Slot (Push & Twist Lock) |
| Compatible Models | Dr. Pen M5, M7, N2, E30(and identical bayonet port devices) |
| Housing Material | Clear Medical-Grade Polycarbonate (PC) |
| Spring Mechanism | High-Elasticity Silicone Spring |
| Needle Material | Medical-Grade Stainless Steel / Silicon Nano Plate |
| Available Types | 9-pin, 12-pin, 24-pin, 36-pin, 42-pin, Round Nano, Square Nano |
| Packaging | Individually sealed sterile blister pouch |
| Usage | Disposable / Single-Use Only |
Frequently Asked Questions (FAQ)
Q: How do I know if these cartridges fit my Dr. Pen?
A: These cartridges use a standard Bayonet connection (two locking side notches). They fit Dr. Pen models M5, M7, N2, E30. Please check your device's connection port before purchasing to ensure it uses a bayonet slot rather than a screw-thread slot.
Q: Are these cartridges reusable?
A: No. All microneedling cartridges are strictly single-use disposable items. Reusing cartridges compromises tip sharpness and sterility, increasing the risk of skin irritation or infection.
Q: What is the difference between Pin cartridges and Nano cartridges?
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Pin Cartridges (12, 24, 36, 42 pins): Micro-needles designed to create micro-channels for deep texture renewal, acne scar care, and skin firming.
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Nano Cartridges (Round / Square): Microscopic flat contact points designed for gentle serum absorption, delicate areas (like around the eyes and lips), and painless BB glow treatments without puncturing the skin.
Q: How do I attach the cartridge correctly?
A: Insert the stem of the cartridge straight into the pen socket, push down gently, and turn it clockwise until it locks securely into the bayonet slot.
