1. Minimised epidermal damage.
2. Less pain and erythema as high speed with vertical direction.
3. More easy to operate at the small or curved areas.
4. Adjust micro needle length (0.25~3.0mm).
5. Prevent cross infection, adopt with disposable needles.
6. More quickly and efficient than manual Micro-needle.
7. Treatment of acne scars and healing wounds.