Derma Roller Systems SA – Complete FAQ & Safety Guide
1. What is Micro-needling?
Micro-needling is a cosmetic procedure that creates tiny, controlled punctures in the skin to stimulate collagen and elastin production.
Manual Derma Rollers: Handheld roller with fine needles.
Automated Microneedling Pens (e.g., Dr. Pen): Motorized device with adjustable needle depth and speed for precise treatment.
2. Manual Roller vs Microneedling Pen
| Feature | Manual Derma Roller | Automated Microneedling Pen |
|---|---|---|
| Needle Movement | Rolled manually | Motorized up-and-down oscillation |
| Precision | Less precise | Adjustable depth, consistent penetration |
| Speed | Slower | Faster, efficient for large areas |
| Safety | Risk of uneven pressure | Controlled motion, safer |
| Ideal Use | Home use | Home & professional use |
3. Quick Home Use Safety Guide
Needle Length Recommendations
| Area | Needle Length |
|---|---|
| Face (general) | 0.25 – 0.5 mm |
| Fine lines & delicate areas | 0.25 mm |
| Acne scars & pigmentation | 0.5 – 1.0 mm |
| Neck & décolleté | 0.25 – 0.5 mm |
| Scalp (hair growth) | 0.5 – 1.5 mm |
⚠ Do not exceed 1mm at home — longer needles are professional use only.
Frequency
0.25 mm: 2–3x/week
0.5 mm: 1x/week
1.0 mm: Every 2–4 weeks
1.5 mm (scalp/body): Every 4–6 weeks
Preparation & Usage
Cleanse skin thoroughly
Optional: apply numbing cream for >0.5 mm needles
Roll/glide lightly, 2–3 passes in multiple directions
Stop if you experience sharp pain or excessive bleeding
Aftercare
Apply gentle, hydrating serum (hyaluronic acid recommended)
Avoid harsh skincare for 24–48 hours
Protect skin from sun exposure
Device Cleaning
Rinse needles with warm water immediately after use
Soak in 70% isopropyl alcohol for 5–10 minutes
Dry and store in clean, dry case
Replace derma roller after 10–15 uses depending on the length of needle. Cartridges should not be re-used.
Safety Precautions
Do not share your device
Avoid use on active acne, eczema, psoriasis, open wounds, or keloid-prone skin
Stop immediately if excessive bleeding, rash, or irritation occurs
Follow manufacturer instructions
Who Should Avoid Micro-needling?
Active acne, eczema, psoriasis in the treatment area
Keloid-prone skin
Open wounds or infections
Pregnant or breastfeeding (consult doctor)
Expected Results
Mild improvements within 1 week
Collagen remodeling in 4–6 weeks
Multiple sessions recommended for best results
6. Home Use Quick Tips
Always choose the correct needle length
Sanitize your device before and after use
Follow proper aftercare for the best results
Handle your device carefully to avoid accidental damage
💡 Note:
“For safe home use, always select the correct needle length, sanitize your device, and follow aftercare instructions. Never exceed recommended depths without professional guidance.”
