The procerus produces horizontal wrinkles at the nasal root and depresses the medial brow. It is an important contributing muscle to the glabellar complex, acting with corrugator supercilii and depressor supercilii to produce the angry/stern expression.
| Origin | Fascia over the nasal bones and upper lateral cartilages |
|---|---|
| Insertion | Skin between the eyebrows — glabellar dermis |
| Nerve Supply | Facial nerve — temporal and buccal branches (VII) |
| Blood Supply | Angular artery |
| Actions | Depresses the medial eyebrow; Produces horizontal nasal root wrinkles — "bunny lines" at the nasal root |
|---|
Procerus is included in the glabellar botulinum injection complex — omitting the procerus in glabellar treatment leaves horizontal nasal root lines that persist. The procerus is also injected for nasal root bunny lines. In endoscopic brow lift, the procerus is divided to permanently reduce glabellar wrinkling.
Produces horizontal lines at the nasal root during brow depression or squinting.
Procerus treatment as part of complete glabellar botulinum injection protocol to address both vertical (corrugator) and horizontal (procerus) glabellar/nasal root lines.
