❤️Part 1. Simple intro

https://youtu.be/EGBXIxM2NyQ (Turn on 'CC' for your language) 컴포트인사용법_ How to use Comfort-in

https://www.youtube.com/watch?v=ZMKVkhCyNtY (Turn on 'CC' for your language) 컴포트인더마 사용법_ How to prepare Comfort-in:Derma injector

https://youtu.be/eGZwaQBoJeE (Vial Adapter Guide)

https://youtu.be/Rol4u-pW-XE (T-Adapter Guide)

https://youtu.be/dwCtsQIXVDU (Nozzle Cap Guide)

💕Part 2. Additional guide

https://youtu.be/qEPUQf0ZJGo (AD-PEN: Additional Nozzle Connection Guide)

https://youtu.be/X_e4WAtz-5c (How to Use the Dental Adapter)

https://youtu.be/RkKzEGYsWmY (How to Use the Pen Adapter)

https://youtu.be/bdB-IkARc7o (How to Use the Luer Adapter with Glass/Plastic Vials)