03/15/2026
✨ Cannulas in Aesthetic Treatments
You may notice that during some treatments I choose to use a cannula instead of a needle.
Both tools have their place in aesthetic medicine — and the choice depends on the anatomy, treatment area, and safety considerations.
A cannula is a flexible, blunt-tipped instrument that is designed to glide through tissue planes rather than puncturing through them like a sharp needle.
Why might we use one?
✨ Improved safety in certain areas
The blunt tip can help navigate around blood vessels rather than piercing them.
✨ Reduced bruising and swelling
Because cannulas are less likely to injure small vessels, many patients experience less bruising.
✨ Fewer entry points
A single access point can sometimes allow product placement across a wider area.
✨ Smoother product distribution
The flexibility of the cannula can allow filler to be placed along natural tissue planes.
Just like needles, different cannula gauges and lengths are selected depending on the treatment area and the type of product being used.
There isn’t one “better” tool — there’s only the right tool for the right situation.
In aesthetic medicine, safety comes from understanding anatomy, choosing appropriate techniques, and tailoring each treatment to the individual.
Thoughtful technique always matters more than trends.
• Cotofana S, et al. “Anatomy of the Facial Vascular System and Implications for Dermal Filler Injections.” Plastic and Reconstructive Surgery.
• Goodman GJ, et al. “A Review of the Use of Cannulas in Aesthetic Medicine.” Dermatologic Surgery.
