Product Short Description
Upgrade your microneedling setup with Dr. Pen Replacement Microneedling Cartridges, available in seven configurations: 12 Pin, 18 Pin, 24 Pin, 36 Pin, 42 Pin, Nano-R, and Nano-S.
Designed for compatible Dr. Pen A9, A8S, and M8S microneedling pens, these replacement cartridges allow estheticians and professional skincare providers to select a cartridge configuration according to the treatment area and desired coverage.
From targeted treatment areas requiring greater precision to larger facial areas requiring broader coverage, the seven cartridge options provide greater flexibility when building customized professional microneedling protocols.
Available in convenient replacement packs for professional skincare practices, beauty salons, estheticians, and treatment rooms.
Microneedling cartridge selection can influence how efficiently a treatment area can be covered and how precisely the device can be used.
Instead of using one cartridge configuration for every treatment, professional practitioners can select different needle arrangements according to the treatment area, skin condition, treatment protocol, and desired coverage.
This replacement cartridge series provides seven options:
- 12 Pin
- 18 Pin
- 24 Pin
- 36 Pin
- 42 Pin
- Nano-R
- Nano-S
The conventional pin cartridges use multiple fine needle points arranged across the cartridge tip, while the two nano configurations use specialized surface patterns rather than conventional needle-count layouts.
The result is a versatile cartridge selection suitable for professional facial and skincare applications.
Key Features
Seven Cartridge Configurations
Choose from seven cartridge styles to match different treatment requirements:
12 Pin · 18 Pin · 24 Pin · 36 Pin · 42 Pin · Nano-R · Nano-S
Compatible Replacement Design
Designed as replacement cartridges for compatible Dr. Pen A9, A8S and M8S microneedling devices.
Multiple Coverage Options
Different pin configurations allow practitioners to select a more targeted or broader treatment pattern depending on the area being treated.
Professional Treatment Flexibility
Use different cartridge configurations within a customized professional microneedling workflow instead of relying on a single cartridge type.
Clear Cartridge Identification
Each cartridge option is easy to distinguish by its needle configuration, making treatment-room inventory management simpler.
Convenient Replacement Consumable
Keep additional cartridges available for regular professional treatments, replacement needs, and different treatment protocols.
Available Cartridge Options
| Cartridge | Configuration | Recommended Use Concept |
|---|---|---|
| 12 Pin | 12 fine pins | More targeted areas and controlled coverage |
| 18 Pin | 18 fine pins | Facial areas requiring balanced precision and coverage |
| 24 Pin | 24 fine pins | General facial treatment with increased coverage |
| 36 Pin | 36 fine pins | Broader facial coverage and efficient treatment passes |
| 42 Pin | 42 fine pins | High-coverage facial applications |
| Nano-R | Round nano pattern | Nano-infusion / superficial cosmetic applications |
| Nano-S | Square/grid nano pattern | Nano-infusion / superficial cosmetic applications |
Important: Cartridge selection should always be based on the practitioner’s training, device manufacturer’s instructions, treatment area, client assessment, and applicable local regulations.
12 Pin Cartridge
Targeted Control for Precision-Oriented Applications
The 12 Pin cartridge provides a lower pin-count configuration for practitioners who prefer a more targeted treatment pattern.
It can be useful when working on smaller or more localized facial areas where controlled placement is important.
Best suited for:
- Targeted facial areas
- Smaller treatment zones
- Precision-oriented professional protocols
- Practitioners who prefer a lower pin-count configuration
18 Pin Cartridge
Balanced Precision and Coverage
The 18 Pin cartridge provides a practical balance between pin density and treatment coverage.
It is a versatile option for facial treatments where practitioners want more coverage than a 12-pin configuration while maintaining a relatively focused cartridge pattern.
Best suited for:
- General facial treatments
- Smaller-to-medium treatment areas
- Customized skincare protocols
- Professional esthetic treatments
24 Pin Cartridge
Versatile Option for Facial Treatment Coverage
The 24 Pin cartridge increases the number of contact points across the cartridge tip, making it a versatile choice for facial areas requiring broader coverage.
This configuration is particularly useful when a practitioner wants to maintain controlled application while covering a larger area efficiently.
Best suited for:
- Full-face protocols
- Cheeks
- Forehead
- Chin
- General facial rejuvenation protocols
36 Pin Cartridge
Increased Pin Density for Broader Coverage
The 36 Pin cartridge provides a higher-density configuration designed for efficient coverage across larger treatment areas.
Its increased number of contact points makes it a practical choice for professionals who want to cover facial areas efficiently while maintaining consistent cartridge movement.
Best suited for:
- Larger facial areas
- Cheeks
- Forehead
- Full-face professional protocols
- Treatments where broader coverage is preferred
42 Pin Cartridge
Maximum Pin Density in the Standard Cartridge Range
The 42 Pin cartridge provides the highest conventional pin count in this seven-option series.
The higher density allows practitioners to work across larger areas efficiently, making it a useful option for professional facial protocols where broad cartridge coverage is preferred.
Best suited for:
- Full-face treatments
- Larger facial areas
- Broad treatment coverage
- Professional skincare protocols
Competitor cartridge ranges also commonly position 42-pin cartridges as a higher-coverage option.
Nano-R Cartridge
Nano Surface Pattern for Superficial Cosmetic Applications
The Nano-R cartridge uses a specialized round-pattern nano surface rather than conventional penetrating pin configurations.
It is intended for nano-infusion and superficial cosmetic skincare applications, where the objective is to work at the surface of the skin rather than perform conventional microneedling.
Best suited for:
- Nano-infusion protocols
- Cosmetic serum application
- Superficial skincare treatments
- Hydration-focused facial treatments
- Professional finishing protocols
Nano cartridges are commonly positioned separately from conventional pin cartridges because their application concept differs from traditional microneedling.
Nano-S Cartridge
Grid-Pattern Nano Surface for Cosmetic Skincare Protocols
The Nano-S cartridge features a square/grid-style nano surface.
This configuration provides another option for practitioners who incorporate nano-infusion into professional facial protocols.
Best suited for:
- Nano-infusion
- Superficial cosmetic applications
- Serum application protocols
- Hydration-focused treatments
- Professional facial finishing
The image supplied for this product clearly distinguishes Nano-S from the round-pattern Nano-R, making both options useful as separate product variants.
How to Choose the Right Cartridge
Choosing a cartridge should not simply be based on the highest number of pins.
A better approach is to consider:
Treatment Area
Smaller or localized areas may benefit from a more targeted cartridge configuration, while larger facial areas can be treated more efficiently with higher-density cartridges.
Desired Coverage
Increasing pin count changes the distribution of contact points across the cartridge surface. Practitioners can therefore select a configuration according to their preferred coverage strategy.
Treatment Protocol
Conventional microneedling and nano-infusion are different treatment approaches. The 12–42 pin cartridges and Nano-R/Nano-S cartridges should therefore be selected according to the intended protocol.
Practitioner Preference
Experienced estheticians may keep several cartridge configurations available so they can select the appropriate option during treatment planning.
 Cartridge Selection at a Glance
For targeted coverage:
12 Pin
For balanced facial coverage:
18 Pin / 24 Pin
For broader facial coverage:
36 Pin / 42 Pin
For nano-infusion:
Nano-R / Nano-S
This makes the seven-option range particularly useful for professional treatment rooms that perform different facial protocols.
Designed for Professional Skincare Workflows
A professional microneedling treatment room may perform several different procedures throughout the day.
Keeping multiple cartridge configurations available helps practitioners organize their workflow according to:
- Treatment area
- Desired coverage
- Treatment protocol
- Client assessment
- Practitioner technique
- Device settings
- Professional hygiene procedures
Instead of purchasing only one cartridge type, a clinic or salon can maintain a selection of 12, 18, 24, 36, 42-pin and nano cartridges for greater treatment flexibility.
Compatibility
Compatible Dr. Pen Models
The cartridge is intended for compatible:
- Dr. Pen A9
- Dr. Pen A8S
- Dr. Pen M8S
Your supplied product image specifically identifies compatibility with Dr. Pen A9, A8S and M8S.
Compatibility Notice: Cartridge interfaces can vary between device generations and models. Before ordering, verify the model marking on your microneedling pen and compare the cartridge connection with the product specifications. If your device is labeled M8A rather than M8S, please contact us before ordering so compatibility can be confirmed.
I strongly recommend keeping this notice on the page because your requested product name says M8A, while the supplied image and the current reference listings identify M8S. The referenced Dr. Pen listing also groups A8S/M8S/A9 cartridges together.
Why Keep Multiple Cartridge Types in Your Practice?
A professional cartridge system should provide flexibility rather than force every treatment into one configuration.
With seven available options, practitioners can build a more versatile cartridge inventory:
12 Pin → targeted coverage
18 Pin → balanced coverage
24 Pin → versatile facial coverage
36 Pin → broader coverage
42 Pin → high-density coverage
Nano-R → round nano surface
Nano-S → square/grid nano surface
This gives salons, spas, estheticians, and professional skincare providers a straightforward way to organize cartridge selection according to treatment requirements.
Hygiene & Professional Use
Microneedling cartridges are treatment-contact consumables and should be handled according to appropriate professional hygiene procedures.
For professional practice:
- Inspect the cartridge before use.
- Do not use damaged cartridges.
- Follow the compatible pen manufacturer’s instructions.
- Use appropriate infection-control procedures.
- Follow applicable local regulations for microneedling procedures.
- Do not reuse cartridges when the applicable protocol or manufacturer instructions specify single use.
- Dispose of used cartridges according to applicable sharps and clinical-waste requirements.
- Store unused cartridges in a clean, dry environment.
Professional use only where required by local regulations.
What’s Included
Choose your preferred cartridge configuration:
- 12 Pin
- 18 Pin
- 24 Pin
- 36 Pin
- 42 Pin
- Nano-R
- Nano-S
Pack quantity: Select the available pack size shown on the product page.
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Replacement Microneedling Cartridge |
| Compatible Devices | Dr. Pen A9 / A8S / M8S |
| Cartridge Options | 12 Pin / 18 Pin / 24 Pin / 36 Pin / 42 Pin / Nano-R / Nano-S |
| Conventional Needle Options | 12 / 18 / 24 / 36 / 42 Pin |
| Nano Options | Nano-R / Nano-S |
| Application | Professional Microneedling & Nano-Infusion Protocols |
| Replacement Type | Cartridge Consumable |
| Material | Use manufacturer-confirmed specification |
| Pack Size | Select available option |
| Intended Users | Estheticians, Beauty Professionals, Salons, Spas & Clinics |
| Device Type | Compatible Dr. Pen Microneedling Pens |
Why Buy Replacement Cartridges from SalonMachines?
At SalonMachines, we focus on professional aesthetic equipment and treatment accessories designed for beauty businesses and skincare professionals.
Our replacement cartridge selection is organized around practical treatment requirements rather than simply offering one generic cartridge configuration.
With seven options available, professionals can select the cartridge that best matches their equipment, treatment area, and established treatment protocol.
Professional Equipment
Products selected for beauty salons, estheticians, spas, and professional skincare environments.
Multiple Treatment Options
Seven cartridge configurations provide greater flexibility for different professional protocols.
Clear Product Information
Compatibility and cartridge configurations are clearly presented so buyers can make an informed selection.
Professional Support
Contact our team if you need help confirming cartridge compatibility before ordering.
FAQ
1. Which Dr. Pen models are these cartridges compatible with?
These replacement cartridges are designed for compatible Dr. Pen A9, A8S, and M8S microneedling pens. Always verify your exact device model and cartridge connection before ordering.
2. What needle options are available?
There are seven options:
12 Pin, 18 Pin, 24 Pin, 36 Pin, 42 Pin, Nano-R and Nano-S.
3. What is the difference between the 12-pin and 42-pin cartridges?
The primary difference is the number and arrangement of contact points. Lower pin counts provide a more targeted configuration, while higher pin counts provide broader cartridge coverage.
4. Which cartridge should I use for a full-face treatment?
For broader facial coverage, professionals may consider 24-pin, 36-pin, or 42-pin configurations depending on their treatment protocol and technique.
5. What are Nano-R and Nano-S cartridges?
Nano-R and Nano-S are specialized nano-surface cartridges intended for superficial cosmetic nano-infusion applications, rather than conventional microneedling.
6. Can I use different cartridge types with the same Dr. Pen?
If the cartridge is compatible with your specific Dr. Pen model, different configurations can be selected according to the treatment protocol. Always verify compatibility before installation.
7. Are these cartridges reusable?
Follow the cartridge manufacturer’s instructions and applicable professional hygiene requirements. For treatments requiring single-use consumables, use a new cartridge for each client/treatment and dispose of used cartridges appropriately.
8. How do I know which cartridge to order?
First confirm your Dr. Pen model. Then choose between the conventional 12/18/24/36/42-pin configurations or the Nano-R/Nano-S options according to your treatment protocol and desired coverage.
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