Microneedling Cartridge Selection Guide
· Dr. Pen

Find the Right Needle for Your Skin Goal

Choosing the correct cartridge is essential for achieving safe and effective results. Each needle type works at a different depth and is designed for specific skin concerns.

Cartridge Intensity Depth Best For Sensation
12-pin Very High Deep Scars, deep wrinkles Strong
18-pin High Deep-medium Acne scars, wrinkles Strong-medium
24-pin Medium-High Medium Skin renewal, texture Moderate
36-pin Medium Medium-shallow Glow, pores, anti-aging Mild
42-pin Low Superficial Sensitive skin, maintenance Very mild
Nano Minimal Epidermis only Serum infusion, glow Painless

Choose by Skin Concern

Deep Acne Scars & Strong Wrinkles

Recommended: 12-pin / 18-pin

  • Targets deep dermal layers for intensive repair
  • Helps improve acne scars, deep lines, and uneven texture
  • Best used in professional or advanced treatments

✔ Maximum collagen stimulation
✔ Visible structural improvement
⚠ Longer recovery time required


Skin Texture, Enlarged Pores & Early Aging

Recommended: 24-pin / 36-pin

  • Improves overall skin quality and smoothness
  • Reduces pore visibility
  • Supports collagen renewal with balanced comfort

✔ Ideal for full-face treatments
✔ Suitable for regular skincare routines
✔ Fast recovery time


Sensitive Skin & First-Time Users

Recommended: 42-pin

  • Gentle stimulation for delicate skin types
  • Helps improve hydration and mild texture issues
  • Reduces risk of irritation

✔ Safe for beginners
✔ Minimal redness
✔ Can be used frequently


Glow, Hydration & Serum Infusion

Recommended: Nano Needle

  • Works only on the epidermal layer
  • Enhances absorption of skincare serums
  • No visible downtime or discomfort

✔ Painless treatment
✔ Instant glow effect
✔ Perfect for maintenance care


How to Choose the Right Cartridge

If you want scar improvement:

→ Choose 12-pin or 18-pin

If you want anti-aging & skin tightening:

→ Choose 24-pin or 36-pin

If you have sensitive skin:

→ Choose 42-pin

If your goal is hydration & glow:

→ Choose Nano needle


Professional Treatment Strategy

  • Deep repair protocol: 12-pin + growth factor serum
  • Acne scar protocol: 18-pin (targeted areas) + 36-pin (full face)
  • Anti-aging maintenance: 36-pin every 3–4 weeks
  • Sensitive skin program: 42-pin with soothing serum
  • Glow booster treatment: Nano + hyaluronic acid serum

Why Choosing the Right Needle Matters

Using the correct cartridge ensures:

  • Better and faster visible results
  • Lower risk of irritation
  • More comfortable treatment experience