What this product is

Dr. Pen M5/M7/N2/E30 Replacement Cartridges (100 Pack) are replacement microneedling cartridges for buyers who need to match a cartridge family across M5, M7, N2, or E30 devices.

Compatible devices

This cartridge listing is for the M5/M7/N2/E30 cartridge family. If you are buying for Dr. Pen M7, confirm the M7 model name before selecting a cartridge variant.

Who this product suits

This page is for buyers who need a compact-device cartridge path and want to avoid confusing M7-compatible cartridges with A10, A6, A9/A8S, Q2, M8/M7S, or Hydra Pen cartridges.

Why buyers consider it

The common buying problem is choosing by pin count alone. Compatibility is the first decision gate; pin count or nano style is the second decision.

What to check before buying

• Pack size: 100 replacement cartridges.
• Compatibility gate: confirm M5, M7, N2, or E30 before ordering.
• Variant options on this listing: 9 Pin, 12 Pin, 24 Pin, 36 Pin, 42 Pin, Nano Round, Nano 5D, Nano 3D, and Nano S.
• Routine planning: choose by model compatibility, intended area, comfort, and product instructions.
• Risk variables: use a fresh compatible cartridge, avoid reuse, and do not mix cartridge families.

Use and safety boundary

This page is compatibility and product-selection guidance. It does not diagnose, treat, or guarantee skin outcomes. For active acne, infection, keloid history, medication concerns, pregnancy concerns, severe scarring, or uncertain skin conditions, consult a licensed professional before device use.

Questions to check before buying

• Do these cartridges fit M5, M7, N2, or E30 devices?
• Which cartridge variants are available on this listing?
• Why should M7 buyers check cartridge family before pin count?

Buying guides and support

M7 device page · Buying clarification map · Audit standards · FAQ