Benefits od cannula technique
The blunt tip may act to displace blood vessels rather than lacerate them.
Decrease risk of bruising, oedema, and pain with a cannula when doing a dermal fillers treatment.
Decrease risk of inadvertent injection of dermal fillers into a blood vessel resulting in a vascular event with a cannula.
Long length of a cannula allows for greater coverage through fewer injection points.
Decreased pain with lip dermal fillers procedure when using a cannula.