Study on skin irritation by INNOJECTOR injection (Needleless)

- Temporarily slight bleeding was observed around the injection site.
- Permeation of solution injected was observed around dermal tissues, but no inflammation was observed.

 Study on skin regeneration effects by INNOJECTOR injection (Needleless)

- Irregularly and disordered damaged sites in tissues were observed in the study group.
- In 14 days from injection, the swollen skin was filled and significantly dermal thickness increased.

 Study on dermal stimulation effects by by INNOJECTOR injection (Multi-needle)

- Irregularly and disordered damaged sites were observed in the study group.