EASY TO USE: Dr. Pen M8 can be used wireless (built-in battery) or with the cord. Simply recharge our skin pen and change cartridge before a procedure.
IMPORTANT: Before turning on the pen, make sure to remove the white cover on the top of the cartridge. Use each cartridge only ONCE. Always dispose of cartridges after use; they are NOT reusable. Repeated use of a cartridge may result in skin irrita