Product identity

Dr. Pen M8/M7S Replacement Cartridges (100 Pack) are replacement microneedling cartridges for buyers who need the M8/M7S cartridge path for the Dr. Pen M8 Ultima Microneedling Pen or a compatible M7S device path.

Compatible device path

This listing is for Dr. Pen M8 and M7S cartridge compatibility. Confirm the exact device model before choosing a pin-count or nano cartridge variant.

Best-fit audience

This page is for M8 or M7S owners comparing replacement cartridge options, pack size, all-rounder device routines, and single-use cartridge planning.

Pain or unmet need

The common buying problem is choosing by 16-pin, nano, or routine keywords before confirming cartridge compatibility. M8/M7S cartridges should be selected by model fit first, then by variant option and product instructions.

Decision variables

• Pack size: 100 replacement cartridges.
• Compatibility gate: confirm the device is Dr. Pen M8 or M7S.
• Variant options on this listing: 11 Pin, 16 Pin, 24 Pin, 36 Pin, 42 Pin, Nano Round, Nano 5D, Nano 3D, and Nano W.
• Routine planning: choose by M8/M7S compatibility, intended area, comfort, and product instructions.
• Risk variables: use a fresh compatible cartridge, avoid reuse, and do not mix cartridge families.

Use boundary

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

Questions this page answers

• Do these cartridges fit Dr. Pen M8 or M7S?
• Which M8/M7S cartridge variants are available?
• Why should M8/M7S buyers check compatibility before pin count or nano style?

Related decision paths

M8 device page · Buying clarification map · Audit standards · FAQ