Electric dermapen
Vertical needle oscillation at 5,000–16,000 RPM. Depth adjustable 0.25–2.5mm in 0.1mm increments. Preferred for facial rejuvenation, eye contour, nasolabial folds, atrophic scars and scalp.
Dermaroller
Fixed needles on a cylinder, oblique penetration (30°–90°). 192–1080 needles depending on model. More efficient for large body areas: scalp alopecia, cellulite, body stretch marks. Lower cost per session.
TDS — Transdermal Delivery System
Electroporation with no needle penetration. For sensitive skin, rosacea, and maintenance between dermapen sessions.
| Protocol | Preferred device |
|---|---|
| Facial rejuvenation | Dermapen |
| Alopecia / scalp | Dermaroller |
| Atrophic scars | Dermapen |
| Sensitive skin | TDS |