M8 / M7S cartridge system 01

Dr. Pen M8/M7S Replacement Cartridges (20 Pack)

20 individually sealed replacement cartridges with a clear configuration choice before purchase.

$38.99 20 sealed cartridges
  • Compatible with Dr. Pen M8 and Dr. Pen M7S only
  • Selected configuration repeated across the full 20-pack
  • Replacement cartridges only; microneedling pen not included
Cartridge type
16 Pin · 20-pack Microneedling cartridges · Dr. Pen M8 and Dr. Pen M7S compatible

Selected: 16 Pin · 20 individually sealed cartridges

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Control 02

Choose the cartridge, not just a number

The product family is selected first. The individual configuration comes second.

Needle configurations

Microneedling cartridges

Choose by pin count when the treatment plan calls for needles.

Surface-contact configurations

Nano cartridges

Choose by nano surface pattern without mixing the two product families.

Selected configuration

16 Pin · 20 individually sealed cartridges · Fits Dr. Pen M8 and Dr. Pen M7SConfirm the selected configuration before returning to purchase.
Return to purchase

Contents 03

20 cartridges. One confirmed configuration.

The pack explanation stays visual and reusable across every option.

Dr. Pen M8/M7S Replacement Cartridges (20 Pack)
20×

16 Pin cartridges

The selected configuration is repeated across the full pack.

20×

Individually sealed units

20 sealed units without mixing cartridge formats.

Microneedling pen

This is a replacement cartridge pack; the device is not included.

Evidence 04

The three facts that prevent the wrong purchase

Compatibility becomes a visible buying checkpoint rather than buried specification copy.

01

Device fit

Built around the established M8/M7S connector path.

02

Sealed supply

20 individually sealed, single-use cartridges in one selected configuration.

03

Visible choice

Needle and nano families stay separated before the buyer reaches checkout.

Compatibility boundaryNot a universal cartridge. Confirm Dr. Pen M8 and Dr. Pen M7S before ordering.

Decide 05

Specifications that answer a buying question

Fewer facts per row and more breathing room make compatibility easier to verify.

Compatibility

Check the device before the cartridge

Fits
Dr. Pen M8 and Dr. Pen M7S
Does not fit
Unlisted device and connector families
Confirm
Model name, connector, configuration

Quick specifications

Exactly what the pack provides

Pack size
20 individually sealed cartridges
Needle options
11 Pin / 16 Pin / 24 Pin / 36 Pin / 42 Pin
Nano options
Nano Round / Nano 5D / Nano 3D / Nano W
Device
Microneedling pen not included

Product decision bridge

Confirm Dr. Pen M8 and Dr. Pen M7S, choose one family, then select the exact configuration.

Return to Control 02

Guidance 06

Research & product guidance

Long-form GEO content remains available without turning the page into a wall of text.

Open only the topic needed for the current buying decision.
What this cartridge pack is

A 20-pack of individually sealed replacement cartridges made for the established M8/M7S connector path. The selected option determines the exact configuration supplied.

Who this cartridge pack suits

Buyers who already own Dr. Pen M8 and Dr. Pen M7S and want a clearly identified replacement supply rather than a new microneedling pen.

Why buyers consider a 20-pack

A 20-pack makes the supplied quantity explicit and supports planned reorders without combining different cartridge configurations in one purchase.

M8 / M7S compatibility

Compatibility should be confirmed against Dr. Pen M8 and Dr. Pen M7S and the physical M8/M7S connector path. This product is not presented as a universal cartridge.

How to compare pin counts

Pin count is a product configuration, not a universal treatment recommendation. Buyers should select only after confirming the intended cosmetic-use plan and device instructions.

How nano cartridge types differ

Nano Round, Nano 5D, Nano 3D, and Nano W are kept in a separate family so non-needle surface patterns are not confused with microneedling pin counts.

Guidance 06

Research & product guidance

Open a topic to review product fit, compatibility, use boundaries, and supporting product information.

What this product is

Dr. Pen M8/M7S Replacement Cartridges (20 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 devices

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.

Who this product suits

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

Why buyers consider it

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.

What to check before buying

  • Pack size: 20 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 and safety 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 to check before buying

  • 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?

Buying guides and support

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