
Dr. Pen M7 Round NANO Replacement Cartridges Bulk Pack
A professional bulk pack of Dr. Pen M7 / M5 Nano Round Needle Cartridges. Nano needling penetrates only 0.25mm into the skin, focusing on exfoliation and encouraging cellular turnover rather than reaching the deeper dermal layers. This gentle method is ideal for those who wish to enhance their skin’s appearance with minimal invasiveness.
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For personal use or mixed pin types, please choose our all-in-one cartridge selection page. For salons, spas, or 50+ cartridge orders, this bulk pack offers better value and easier restocking.
Enhance your experience with the Dr. Pen M7 Microneedling Pen using Nano Round Nanoneedle Cartridges. These cartridges offer a gentle, non-invasive way to refresh the look and feel of skin. Suitable for all skin types, the needle-free design is comfortable for beginners and experienced users alike.
Product Highlights
- Helps skincare absorb more effectively than standard topical application
- Gentle on the skin—no numbing cream required
- Supports a radiant, healthy-looking complexion
- Can be incorporated into a personal cosmetic routine
- No recovery time needed
- Compatible with most non-acidic skincare formulas
- Makeup and skincare may be applied after use
Unique Features
- Wavy contact surface promotes even product coverage
- Three-snap structure helps prevent backflow and keeps the device clean
- Simple, secure attachment to the Dr. Pen M7 Microneedling Pen
- Soft silicone tip for precise, comfortable contact
Compatibility
Designed for use with the Dr. Pen M7, M5, E30, N2 Microneedling Pen.
Safety Guidelines
- Use a new, single-use, sterile cartridge each time for hygiene
- Wear disposable gloves before handling cartridges
- Inspect the cartridge to ensure it is intact and clean
- Optionally disinfect the tip with 70% isopropyl alcohol and allow it to air-dry
How to Use
- Cartridges are individually sealed for hygiene
- Remove the cover and attach the cartridge to the Dr. Pen M7
- Cleanse the face and keep hair away from the treatment area
- Adjust device speed and pressure for comfort
- Glide the device evenly across the skin in smooth, overlapping motions
Usage Tips
- Use within a personal cosmetic routine to help maintain smooth-looking skin
- May be paired with lightweight serums such as hyaluronic acid or peptide-based formulas
Disclaimer (Cosmetic Use Only)
This information is for general cosmetic use only and does not replace professional advice. Consult a licensed professional before using cosmetic devices on sensitive or problem skin. This product is not intended to diagnose, treat, or cure any medical conditions.
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Questions & answers
Hello I was wondering if the M8 nano tips/ cartridges can hold on the M7 pen?
Asked by Candi · May 19, 2026
Answered by LillianDr.pen Club · May 25, 2026
The M7 and M8 use different cartridge designs, so the tips cannot be attached interchangeably.
For the best fit and performance, we recommend using cartridges specifically designed for your pen model.
For cosmetic use only. Not intended to diagnose, treat, cure, or prevent any condition.
Dr. Pen M7 Round NANO Replacement Cartridges Bulk Pack







