Facial Ageing
Fine diagonal wrinkles along the sides of the nose that appear with smiling, squinting or nose movement.
Physician-led assessment · individualized care · Vancouver clinic
Understanding Bunny Lines
Bunny lines are a small but telling example of how the face works as a connected system. The diagonal creases that fan across the upper nose come from the nasalis and its neighbours scrunching during a smile or squint, and because those muscles share the work of the frown and eye-area muscles around them, they can actually become more noticeable after nearby muscles are relaxed, as the nose compensates. That interplay is the point: the upper face is assessed and planned as a whole, not one line at a time, so expression stays natural and balanced.
Causes and Contributing Factors
Bunny lines are caused chiefly by repeated contraction of the nasalis and nearby muscles that scrunch the upper nose during expressions such as smiling, laughing, squinting or wrinkling the nose. Over years, this repeated folding of the skin can leave lines that become more visible. In some people they become more prominent after treatment of neighbouring muscles, as the nose muscles compensate. Skin aging, reduced elasticity and sun exposure can make the lines more apparent over time.
Signs and Symptoms
Assessment
When assessing bunny lines, a clinician typically observes the nose and surrounding area both at rest and during a range of expressions to understand which muscles are involved and how they interact with the muscles that create frown lines and crow's feet. This helps ensure that the whole upper face is considered together.
Treatment Options
These are some of the options connected to this concern. The appropriate plan depends on assessment, suitability, and your goals.
Because bunny lines are mainly driven by muscle movement, they are generally discussed as part of neuromodulator treatment planned across the upper face so that expression stays balanced. Skin-health measures such as sun protection help overall skin quality. The right approach depends on an individual assessment during a physician-led consultation, and treatment is elective rather than necessary.
There is rarely one right answer here; several approaches, often in combination, may suit depending on whether movement, skin quality, or volume is driving the line. That is what a consultation is for: an unhurried assessment, a clear account of suitable options, and a reasoned plan you follow, with realistic expectations and no obligation.
For the fuller picture, explore the treatment pages above or discuss the options during a consultation.
Medical Assessment
Bunny lines themselves do not require medical assessment. As with any facial area, a new lump, changing skin lesion, or sudden change in facial movement should be reviewed by a physician rather than assumed to be an expression line.
Frequently Asked Questions
They form from repeated contraction of the muscles that scrunch the upper nose during expressions like smiling or squinting. Over time, this repeated movement can leave fine diagonal lines beside the nose.
Sometimes. When nearby muscles are treated, the muscles around the nose may become relatively more active, making bunny lines more noticeable in some people. This is one reason the upper face is usually assessed as a whole rather than in isolation.
No. They are a normal result of facial expression and skin aging and are considered a cosmetic concern only.
Physician Assessment
An assessment can help clarify what may be contributing, which options may be appropriate, and what a reasonable next step could look like for you.
Visit Our Clinic
Anti-Aging Medical & Laser Clinic combines medical assessment, individualized planning, physician oversight, and a broad range of treatment options in its Vancouver clinic.
Bring your questions, treatment history, and goals. Your provider can help you understand appropriate options, expected recovery, and realistic outcomes.
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