How to Fill the Hydra Pen Cartridge:

1. Unscrew the bottom part of the cartridge.
2. Pour a small amount of your serum into the cavity.
3. Try not to fill more than half at a time, especially if you are new to this process.
4. Screw the cap of the cartridge back on tightly.
5. Insert the cartridge into the device as usual, then twist to lock it in place.

The Hydra Pen H2 comes as a set that includes:

• 1x Power Adapter
• 1x Hydra Pen H2 Device
• 1x Charging Cable
• 1x Protective Cover
• 2x Replacement 12-needle Cartridges