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Frown Lines

Frown Lines

Frown lines, also called glabellar lines or the “11s,” are the vertical creases that form between the eyebrows when you frown, concentrate, or squint. Because they’re driven by strong, frequently used muscles, frown lines tend to develop earlier and more prominently than some other expression lines, and can make you look tired, angry, or stressed even when you’re not. At Genesis Dermatology in Jupiter, FL, board-certified providers treat frown lines to soften that look while keeping your expression natural.
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What Causes Frown Lines?

Frown lines form from repeated contraction of the corrugator and procerus muscles, the muscles between and above the eyebrows that pull them together and downward when you frown, concentrate, or squint. These muscles are used frequently throughout the day, often without you even realizing it, which is part of why this area tends to develop noticeable lines earlier than some other parts of the face.

Because frown lines run vertically and involve strong, frequently contracted muscles, they can become static (visible at rest) more quickly than some other expression lines if the underlying muscle activity isn’t addressed.

How to Detect Frown Lines

Signs of developing frown lines include:
  • One or more vertical lines between the eyebrows that appear when you frown or concentrate
  • Lines that make you look angry, tired, or stressed even when you're feeling neutral
  • Lines becoming more visible or taking longer to fully smooth out after you relax your expression
  • Lines that are starting to remain faintly visible even at rest

When Is It Worth Treating Frown Lines?

Consider treatment if:
  • People frequently ask if you're upset or tired when you're actually feeling fine, a common experience with prominent frown lines
  • Lines between your brows bother you in the mirror or in photos
  • You want to address this area early, since it's prone to becoming static sooner than other expression lines
  • You're interested in a natural, movement-preserving softening rather than a completely flat brow

What Happens If Frown Lines Are Left Untreated?

Because the muscles driving frown lines are strong and used frequently, often unconsciously, this area tends to transition from dynamic to static lines faster than other, less frequently used expression muscles. Left untreated, that means the vertical lines between your brows are more likely to become permanently etched at a relatively earlier stage than lines elsewhere on the face.

Once frown lines become static, a neuromodulator alone typically provides less complete smoothing, and combining it with filler to soften the remaining etched line becomes a more common approach than it would have been if treated while the lines were still primarily dynamic.

The Genesis Dermatology Process

Here’s what to expect for frown line treatment:
  • A consultation to assess your specific frown pattern and how the corrugator and procerus muscles are contributing to your lines
  • Precise neuromodulator injection (Botox, Dysport, or Daxxify) targeted to these muscles to soften the vertical creases
  • A quick, 10 to 15 minute appointment with minimal to no downtime
  • Conservative technique designed to soften the "11s" while preserving natural, expressive eyebrow movement
  • Results appearing within 3 to 5 days, reaching full effect by about two weeks, and lasting 3 to 4 months before a maintenance treatment is needed

Ready to Take the Next Step?

Frown lines are one of the most common, and most treatable, signs of expression-related aging. Schedule a consultation with the board-certified providers at Genesis Dermatology in Jupiter, FL, to soften yours.
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Frequently Asked Questions

Why do frown lines seem to bother people so much, even mild ones?
Because they sit between the brows, frown lines can make a neutral or relaxed expression read as angry, tired, or stressed to other people, which is part of why this area is one of the most commonly requested treatment sites.
With a conservative, well-placed dose, you’ll still be able to express concern or concentration, just without the deep vertical creases forming as intensely. The goal is softening, not eliminating movement.
Most patients notice initial softening within 3 to 5 days, with full results visible by about two weeks.
Results typically last 3 to 4 months before muscle activity gradually returns, at which point a follow-up treatment maintains your results.
Yes, frown lines are commonly treated alongside forehead lines and crow’s feet in the same appointment, since all three areas respond to the same category of treatment.
That indicates the line has become static. It can still be softened with a neuromodulator, though a combination approach with filler is sometimes recommended for more complete correction of an already-etched line.