1. Innovative 2in1 devlice: Roller + reusable serum cartridge
2. Control by press button, get any serum as you want, no waste. No leaking, No blocking. No hassle to use.
3. Replaceable roller head, packed with individual blister packaging. sanitary and safe.
4. Visible window, can view the volume any time.
5. Quick and safe serum delivery therapy.
6. CIT - Collagen Introduction therapy.
7. Easy to use, friendly and Fashion design.