Tips

How To Treat Bunny Lines With Neurotoxin

lines

Bunny lines are the wrinkles that form on either side of the bridge of the nose due to the contraction of the nasalis muscle. There is also some contribution from the levator labii superioris alaeque nasi muscle.
Bunny lines can be part of a patient’s unique facial expression and they can become more prominent after repetitive botulinum toxin treatment to the procerus muscle.
Patients will occasionally come to you specifically complaining about bunny lines. However, you may notice them as part of your examination while consulting them for other issues.
The treatment involves using a small amount of neurotoxin on each side of your nose, to help smooth out these wrinkles.
As for the markup, After cleaning the skin, have the patient scrunch up their nose ‘like a bunny’. Remember that wrinkles form perpendicular to muscular activity when identifying the bunny lines. The injection point should be marked where the strongest lines form, which is usually about 1-1.5cm inferior-medially to the medial canthus of the eye.
Please keep in mind that if you inject lines that extend laterally away from the bridge of the nose, you may end up treating the levator labii superioris alaeque nasi muscle. This can result in an asymmetrical smile.
Always keep your treatments high and medial, and at least 1cm away from the medial canthus.
Once marked up, then inject 2 units of botulinum toxin into each side of the nasal bridge.
The injections should be superficial into the dermis.
Once injected it’s important not to massage or rub the area as this can cause diffusion to other muscles leading to unwanted complications. If a small amount of bleeding occurs then gentle pressure should be applied.
It takes around two weeks for the full effects to be seen. Then, on average, the results from bunny line treatment last for approximately 3 months.
Other treatment options for lines and wrinkles should always be discussed with our patients. These include SPF protection, medical-grade skin care such as retinoids, and collagen-stimulating treatments such as chemical peels, microneedling, and skin boosters. This comprehensive approach enables us to provide the best possible outcomes for our patients.

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