Why Botox and Filler Don’t Erase Deep Upper Lip Lines — And What Does

Of all the questions that arrive at Dr. Farhad Rafizadeh’s Morristown office, and of all the questions that recur on his RealSelf Q&A page, few carry as much accumulated frustration as this one. The patient has already spent money. She has already tried the two things the internet told her to try. And the lines are still there.

The answer is not that she went to the wrong injector, though she may have. The answer is that she was sold treatments for a problem she does not have. Botox and filler are excellent tools aimed at movement and volume. An etched vertical lip line is neither.

Dr. Rafizadeh’s Short Answer

A wrinkle you can only see when you move is a muscle problem. A wrinkle you can see standing still, in the mirror, doing nothing — that is a skin problem. Botox relaxes the muscle that folds the skin. Filler pushes up from beneath the skin. Neither one repairs a crease that has been carved into the surface of the skin over forty years. Only resurfacing does that. Everything else is camouflage, and around the mouth, camouflage is what gives people that puffy, slightly wavy upper lip you can spot from across a room.

Why the Upper Lip Is the Hardest Real Estate on the Face

Four forces converge on a strip of skin about the width of a thumb.

The skin between the nose and the lip is among the thinnest on the body, with few oil glands and hair follicles to give it structure and resilience. Beneath it lies the orbicularis oris — not a strap muscle like most of the face, but a sphincter, a ring that purses and pleats that thin skin thousands of times a day with every word, sip, kiss, and smile. Above and around it, decades of ultraviolet exposure have degraded the collagen and elastin that would otherwise let the skin unfold and spring back. And underneath all of it, the bone of the upper jaw and the deep fat of the midface slowly lose volume while the philtrum lengthens, so the skin has farther to travel and less to sit on.

Smoking accelerates every one of those processes, which is why the lines carry the name smoker’s lines. But the majority of patients Dr. Rafizadeh sees for perioral rhytides have never smoked a cigarette. Sun, genetics, and a hardworking muscle are quite enough.

What Botox Actually Does Here — and What It Doesn’t

Neuromodulators work by preventing the muscle from contracting. Around the mouth, small doses placed near the vermilion border soften the pursing action of the orbicularis oris, which reduces how deeply the skin folds when you speak or drink. For a woman in her late thirties with fine lines that appear only on movement, this can be a genuinely good treatment, and it slows the process by which those dynamic folds become permanent creases.

Two things deserve stating plainly, and rarely are.

First, this use is off-label. The FDA has approved botulinum toxin products — Botox, Dysport, Xeomin, Jeuveau — for the temporary improvement of frown lines, forehead lines, and crow’s feet. The perioral area is not among them. Off-label prescribing is legal, common, and often excellent medicine. But a patient is entitled to know that the dosing and safety around the mouth were not established in the trials that led to approval.

Second, the mouth is a working muscle. Too much toxin here does not merely look odd; it interferes with pronouncing certain consonants, whistling, spitting, drinking through a straw, and eating from a spoon. The published reviews of the “lip flip” list exactly these complications, and note that the effect lasts only about eight to twelve weeks — and cannot be reversed if you dislike it. Singers, wind players, and people who speak for a living should think hard.

What Botox will never do is erase a fold that is already there at rest. Relaxing the hand that folds a piece of paper does not iron out the crease.

What Filler Actually Does Here — and Why It Backfires

Filler adds volume beneath the skin. If the lip itself has genuinely deflated and lost its border definition, a conservative amount of hyaluronic acid placed correctly along the vermilion border can restore shape and make fine lines less conspicuous. That is a defensible treatment, and Dr. Rafizadeh performs it.

Injecting product into the etched creases themselves is a different proposition. The tissue between the nose and the lip is thin, mobile, and tolerates very little material. Overfilled, it becomes a heavy shelf. Filled repeatedly over years, it lengthens the philtrum further and flattens the cupid’s bow — the appearance most patients are now paying to have dissolved. A systematic review of reported lip-filler complications found that across fifty-three published cases and eighty-two complications, nodule formation was the single most common problem, followed by migration of product away from where it was placed, skin discoloration, and herpetic outbreaks.

The FDA’s own consumer guidance is worth reading before any injection: fillers are regulated as medical devices, approved only for patients twenty-two and older, and the most serious risk is inadvertent injection into a blood vessel, which can cause tissue death, stroke, or blindness. The agency also states, in a sentence almost never quoted in a med-spa consultation, that the safe use of dermal fillers in combination with botulinum toxin products has not been evaluated in clinical studies.

None of this makes filler dangerous in trained hands. It makes filler the wrong tool for a surface problem. And when it migrates or overfills, the fix is another procedure — a subject covered in more detail in lip filler migration and the lip lift solution.

What Actually Erases an Etched Line: Resurfacing

An etched wrinkle is a structural defect in the epidermis and the upper dermis. To remove it you must remove that damaged layer and let the skin rebuild it — which is what resurfacing means, and why it is the only category of treatment that reliably erases deep perioral lines rather than disguising them.

The upper lip has long been treated as its own cosmetic subunit, which is a considerable advantage: the whole strip can be resurfaced to a uniform depth and blended at the natural borders of the nose, the nasolabial folds, and the vermilion. The options that do the work:

• Deep phenol-croton oil peel. The most powerful tool that exists for perioral lines, with results measured in years. It is also the most demanding in terms of patient selection and aftercare. Discussed at length in the deep peel versus laser versus facelift.
• Chemabrasion — a medium-depth peel followed by dermasanding. A trichloroacetic acid peel combined with manual abrasion of the perioral unit; the technique used in the randomized study discussed below.
• Ablative and fractional CO2 laser resurfacing. Precise, controllable depth. Its principal limitation is the risk of pigment change in medium and darker skin tones — see is CO2 laser resurfacing worth it.
• Radiofrequency microneedling and other energy devices. Useful for texture and very fine lines, and safer across skin tones, but they will not erase a deep etched crease. The distinction, and the FDA’s 2025 safety communication about the category, is covered in the Morpheus8 article.

All of these involve real downtime. A deep peel or full ablative resurfacing of the upper lip means roughly a week to ten days of healing before makeup, followed by weeks to months of fading pinkness and non-negotiable sun protection. That is the trade. Patients who understand it are, in Dr. Rafizadeh’s experience, the happiest patients in the practice.

The Combination That the Evidence Actually Supports

There is a role for Botox in treating deep lip lines — just not the role it is usually sold in. It is a supporting one, and it is backed by unusually good long-term data.

In a randomized, controlled study published in Dermatologic Surgery, twelve women with moderate to severe vertical upper-lip rhytides received botulinum toxin type A injections at the vermilion border on one side only, one week before manual chemabrasion — a 35% trichloroacetic acid peel followed by dermasanding — of the entire upper perioral unit. Blinded observers graded wrinkle severity at thirty days, ninety days, one hundred eighty days, and again at three years. From day ninety onward, and still at three years, the sides that had received botulinum toxin scored better than the untreated sides.

The logic is clean, and it is the whole thesis of this article in one sentence: resurfacing erases the line; relaxing the muscle keeps the line from being folded back in. Reversing that order — treating the muscle and the volume while leaving the damaged skin untouched — is why so many patients arrive having spent a great deal and gained very little.

Where the Lip Lift Fits In

Patients frequently conflate two different complaints. A long distance between the base of the nose and the top of the lip, with little pink lip showing and no visible tooth at rest, is a proportion problem, and a lip lift is its answer. Vertical creases above that lip are a surface problem. A lip lift does not erase them, and no amount of resurfacing shortens a long philtrum.

Plenty of patients past fifty have both. When they do, sequencing and timing matter, because resurfacing across a fresh subnasal incision requires judgment about healing — the same category of planning discussed in lip lift timing before a facelift. The point of a consultation is to separate the two questions before anyone injects, peels, or cuts anything.

How Dr. Rafizadeh Approaches Lip Lines in North Jersey

• Look in the mirror without moving. If the lines vanish when your face is at rest, they are dynamic, and a neuromodulator is a reasonable first treatment. If they are still there, no injectable is going to satisfy you.
• Treat the subunit, not the crease. Etched lines are resurfaced as a whole upper-lip unit, to a uniform depth, blended at natural borders. Chasing individual lines with filler is what produces waviness.
• Match the depth to the skin. Skin type, pigment risk, prior treatments, and downtime tolerance decide between a medium peel, a deep peel, and laser. There is no single best answer, only a best answer for you.
• Use the toxin to protect the result. Small, well-placed doses after resurfacing preserve what the resurfacing achieved — and the randomized data suggest that benefit persists for years.
• Then defend it. Daily sun protection, a prescription retinoid, and not smoking do more to prevent recurrence than any syringe. This is unglamorous and it is true.

The useful question around the mouth is never “Botox or filler?” It is: is my problem the movement, the volume, or the skin? Answer that honestly, and the treatment chooses itself.

People Also Ask

Common Questions Patients Search About Upper Lip Lines

Can vertical lip lines be fixed?

Yes — but only by matching the treatment to the depth of the line. Fine, early lines respond to prescription retinoids, disciplined sun protection, and small amounts of neuromodulator. Moderate lines respond well to a medium-depth peel or fractional laser. Deep, etched lines that lipstick bleeds into need a deep peel, chemabrasion, or ablative laser resurfacing of the whole upper-lip subunit. What fails reliably is attempting to fill or freeze a line that is already carved into the skin surface.

Will lip fillers get rid of my smoker’s lines?

Not the deep ones. Filler adds volume beneath the skin; it does not repair the damaged surface of the skin. A small amount of hyaluronic acid along the vermilion border can support a deflated lip and make fine lines less noticeable, and that is a reasonable, conservative use. Injecting product into etched creases tends to produce a puffy, wavy upper lip while the lines remain visible — which is exactly the outcome patients describe when they ask why two syringes did nothing. The saving grace is that hyaluronic acid can be dissolved with hyaluronidase.

Should I get Botox or fillers for smoker’s lines?

For fine lines that appear only when you purse your lips, a small dose of neuromodulator is the better first step. For a lip that has genuinely thinned and lost border definition, a conservative amount of hyaluronic acid filler is reasonable. For lines visible at rest, neither is the answer — and choosing between them means choosing between two treatments that will not do what you want. That patient needs resurfacing, with a neuromodulator used afterward to protect the result.

What is the best procedure for wrinkles on the upper lip?

For deep perioral wrinkles, resurfacing the upper lip as a complete cosmetic subunit is the most powerful single procedure available — historically a phenol-croton oil peel, and in modern practice also dermasanding after a trichloroacetic acid peel, or ablative and fractional CO2 laser. In experienced hands these produce results measured in years rather than months. Which one is best for you depends on the depth of the lines, your skin type and its risk of pigment change, your tolerance for downtime, and whether the rest of the face is being treated at the same time.

Why is everyone dissolving lip fillers?

Because a decade of enthusiastic filling produced a recognizable look — heavy, over-projected upper lips, product migrated above the vermilion border, a flattened cupid’s bow — and taste has turned against it. Reversibility is one of hyaluronic acid’s real advantages: hyaluronidase dissolves it. Dissolving carries its own risks, including allergic reaction and local inflammation, and belongs in the hands of a physician who can manage them. Many patients who dissolve migrated filler discover the underlying issue was never volume, but a long philtrum or a creased lip surface.

What are the downsides of a Botox lip flip?

It is short-lived and functionally unforgiving. Published reviews put the effect of supralabial botulinum toxin at roughly eight to twelve weeks — considerably shorter than filler — and unlike filler it cannot be reversed; you wait for it to wear off. Because the orbicularis oris is a working muscle, weakening it too much causes trouble pronouncing certain words, whistling, spitting, drinking through a straw, or eating from a spoon. It is a poor choice for singers, wind musicians, and professional speakers, and a bad choice from an injector with a heavy hand.

Is it too late to get Botox once you already have wrinkles?

It is not too late for Botox to be useful, but it is too late for Botox to be sufficient. Once a line is etched at rest, a neuromodulator will soften how deeply it folds with movement and slow its progression — and, as the randomized chemabrasion data show, it meaningfully protects a resurfacing result over a period of years. What it will not do is remove a crease that already exists. For established lines the honest sequence is to resurface first, then use small doses of neuromodulator to maintain what was gained.

Sources & References

1. Kadunc BV, de Almeida ART, Vanti AA, Di Chiacchio N. “Botulinum toxin A adjunctive use in manual chemabrasion: controlled long-term study for treatment of upper perioral vertical wrinkles.” Dermatologic Surgery. 2007 Sep;33(9):1066–72. PubMed
2. Diwan Z, Trikha S, Etemad-Shahidi S, Parrish N, Rennie C. “Evaluation of Current Literature on Complications Secondary to Lip Augmentation Following Dermal Filler Injection.” The Journal of Clinical and Aesthetic Dermatology. 2023 Jul;16(7):26–33. PubMed
3. Sayan A, Gonen ZB, Ilankovan V. “Adverse reactions associated with perioral rejuvenation using laser, fat and hyaluronic acid: systematic review.” British Journal of Oral and Maxillofacial Surgery. 2021 Nov;59(9):1005–1012. PubMed
4. Bourmand R, Olsson SE, Soleimani S, Fijany A. “Lip Filler Versus ‘Lip Flip’: Longitudinal Public Interest and a Brief Review of Literature.” Journal of Cosmetic Dermatology. 2025 Feb;24(2):e70048. PubMed
5. U.S. Food and Drug Administration. “Dermal Filler Do’s and Don’ts for Wrinkles, Lips and More.” fda.gov
6. Dr. Farhad Rafizadeh, RealSelf Q&A profile. realself.com

Related Reading From Dr. Rafizadeh’s Blog

Patients considering treatment for lines around the mouth in Northern New Jersey may find these articles useful:

• Deep Phenol-Croton Oil Peel vs. Laser Resurfacing and a Facelift
• Is CO2 Laser Resurfacing Worth It? Fractional vs. Ablative for Wrinkles and Scars
• Lip Filler Migration — and Why a Lip Lift Is Often the Real Solution
• Lip Lift Before a Facelift — Getting the Timing Right
• Marionette Lines and Jowls: Facelift vs. Fillers
• Does Morpheus8 Really Tighten Skin? RF Microneedling & the FDA Warning