Nancy Edsparr
Treatment
Lip Filler in NYC
Lip filler is a nonsurgical injectable treatment that restores volume, shape, and definition to the lips using hyaluronic acid gel. Results appear immediately, and the gel is metabolized by the body over time. At Cosmetic Dentistry NYC, Dr. Pia Lieb treats the lips as the frame of the smile. Lip proportion is designed around tooth position, gum line, and lip support rather than volume alone.
What is lip filler?
Lip filler is hyaluronic acid gel injected into the lip body and border to add volume, correct asymmetry, and sharpen definition. Hyaluronic acid is a sugar molecule the body produces naturally, and it binds water to create fullness.
The gel is placed in precise planes rather than one deposit. Injection depth determines the result: superficial placement sharpens the border, and deeper placement builds body volume.
Most lip fillers contain lidocaine for comfort during treatment. Treatment is completed in under an hour with little to no downtime.



Which lip filler products are FDA approved for lip augmentation?
The FDA has approved Juvéderm Ultra XC, Juvéderm Volbella XC, Restylane, Restylane-L, Restylane Silk, and Restylane Kysse for lip augmentation. Each product carries a different gel thickness and produces a different degree of firmness.
Juvéderm Ultra XC adds fullness. Juvéderm Volbella XC softens perioral lines and delivers subtler volume. How long either holds is case dependent.
Restylane Kysse received FDA approval in May 2020 for lip augmentation and upper perioral wrinkles in adults 21 and older.
Juvéderm Voluma and Juvéderm Vollure are not FDA approved for the lips. Product selection is confirmed during your consultation.
Which areas of the lips can filler treat?
Filler treats six distinct perioral structures, each requiring a different technique and volume. Treating the lips as a single unit is what produces the overfilled result patients want to avoid.
Vermilion border,
the line separating lip tissue from surrounding skin, is sharpened to restore definition lost with age
Cupid's bow,
the double curve at the center of the upper lip, is redefined for a more sculpted upper lip shape
Philtral columns,
the two vertical ridges above the upper lip, are supported to lift the central lip
Lip body,
the visible red tissue, receives volume for overall fullness
Oral commissures,
the corners of the mouth, are supported to lift a downturned expression
Perioral rhytids,
the vertical lines above the upper lip, are softened with a thinner gel
Who is a candidate for lip filler?
Candidates are adults in good general health with realistic expectations and no active infection near the mouth. Suitability is confirmed during a full clinical evaluation, not over the phone.
Filler is appropriate for patients with naturally thin lips, age-related volume loss, asymmetry between the upper and lower lip, or a poorly defined vermilion border.
Filler is deferred for patients who are pregnant or breastfeeding, have an active skin infection or cold sore outbreak, or have a known allergy to hyaluronic acid products.
Patients with a history of cold sores are pre-treated with antiviral medication, because injection can trigger an outbreak.
What happens during a lip filler appointment?
Every new patient begins with a one-hour consultation with Dr. Pia before any treatment is scheduled. The consultation fee is confirmed when you book and credits in full toward the cost of treatment.
During the consultation, Dr. Pia assesses lip anatomy, tooth position, and facial proportion, then presents every appropriate option without pressure. Patients are asked to email existing X-rays before the appointment.
Injection itself takes 15 to 30 minutes. Treatment is delivered by needle or cannula depending on the area and the depth required.
Appointments are booked in advance and the card is charged at the time of booking. There is no same-day availability and no online booking, because appointment lengths vary.
Dr. Pia treats one patient at a time, with a 15-minute buffer between every appointment. Patients never encounter one another.
How long does lip filler swelling last?
Swelling peaks within the first 24 to 48 hours and largely resolves within 3 to 7 days. The final shape settles at approximately two weeks, which is when results should be judged.
Bruising occurs in a portion of patients and fades within 7 to 14 days. Tenderness, redness, and small palpable firm areas are common and temporary.
Product labeling reports that side effects are generally mild and resolve within 30 days. Sleeping with the head elevated and applying cold compresses during the first 48 hours reduces swelling.
Avoid strenuous exercise, alcohol, and heat exposure for 24 hours after treatment.
How long does lip filler last and can it be reversed?
Hyaluronic acid lip filler is broken down by the body over time, and it can be dissolved at any point with hyaluronidase. Metabolism, product selection, and injection volume determine the individual duration, so it is case dependent rather than fixed.
The lips are one of the most mobile areas of the face, so filler breaks down faster there than in the cheeks or jawline. Most patients maintain their result with periodic touch-ups, on a schedule Dr. Pia sets for the individual case.
Hyaluronidase is an enzyme that breaks down hyaluronic acid and typically takes effect within 24 to 48 hours. Reversibility is the reason hyaluronic acid is preferred over surgical implants, which cannot be undone.
Filler migration, where product spreads beyond the vermilion border, is corrected by dissolving and reinjecting.
Is lip filler safe?
Hyaluronic acid lip filler carries a low complication rate when injected by a trained clinician who understands perioral vascular anatomy. Serious complications are rare but require immediate treatment.
Vascular occlusion, where filler compresses or enters a blood vessel, is the most significant risk. Warning signs are severe or worsening pain, blanching of the skin, and a dusky or mottled appearance.
Infection, nodules, and granulomas occur infrequently. Skin necrosis and vision loss are documented but very rare.
The American Academy of Dermatology warns against needle-free hyaluron pen devices, which cannot control injection depth and have caused serious injury.
Can lip filler correct a gummy smile?
A gummy smile shows more than 3 millimeters of gum tissue when smiling, and neurotoxin can reduce the display by relaxing the muscles that lift the upper lip. Results appear within days, and the effect wears off as muscle activity returns.
Gum display has three causes: a hyperactive upper lip, a short upper lip, and excess gum tissue over the teeth. Muscular causes respond to injection. Excess tissue requires gum design, which recontours the gum line directly.
Dr. Pia determines which cause applies before recommending treatment, because injecting a tissue-driven gummy smile produces no lasting change.
Why choose Dr. Pia Lieb for lip enhancement in NYC?
The archive spans approximately 14,000 cases and can be viewed in the before and after gallery.
- 1Dr. Pia Lieb has practiced cosmetic dentistry in NYC for more than 30 years and taught facial and dental anatomy at university level
- 2She holds the title of Clinical Assistant Professor Emerita at NYU College of Dentistry
- 3Dr. Pia earned her DDS from NYU College of Dentistry in 1988 and joined its faculty in 1990, including a teaching appointment at Tel Aviv University
- 4The practice operates as a single provider at a single location, and every patient is treated by Dr. Pia personally, with no work delegated to associates
- 5All staff sign nondisclosure agreements, and before and after photographs are used only with written patient consent and are cropped to the mouth, with no identifying facial features
Frequently asked questions about lip filler
Lip filler is priced individually at the consultation. It is quoted per syringe, and the product selected plus the volume used determine your total. Dr. Pia confirms your exact fee during the one-hour consultation, once lip anatomy, tooth position, and the volume required are assessed. The consultation fee is confirmed when you book and credits in full toward treatment. CareCredit and Alphaeon financing are accepted, along with credit cards, checks, and wire transfers.
Half a syringe, or 0.5 milliliters, suits patients seeking subtle definition or a first treatment. It sharpens the vermilion border and adds light volume without a visible change in lip size. A full syringe delivers more noticeable fullness. Starting with half and adding more at a follow-up produces a more controlled result than overfilling in one session.
Most lip fillers contain lidocaine, which numbs the tissue as the product is delivered. Topical numbing is applied before injection. Patients typically report pressure and brief stinging rather than sharp pain. The lips are sensitive, so some discomfort is expected. The injection portion of the appointment takes 15 to 30 minutes from start to finish.
Natural results depend on volume restraint and anatomical placement rather than product choice. Filler placed in proportion with the lower face, tooth position, and existing lip shape reads as balanced. Overfilling and treating the lips as a single unit produce the obvious result patients want to avoid. Dr. Pia builds volume gradually across sessions rather than in one appointment.
Yes. Hyaluronidase is an enzyme that breaks down hyaluronic acid filler, and it typically takes effect within 24 to 48 hours. Any hyaluronic acid product can be dissolved fully or partially. This is why hyaluronic acid is preferred over surgical lip implants, which cannot be undone. Wait until swelling resolves at two weeks before deciding, since early swelling exaggerates volume.
Schedule lip filler at least two weeks before an event. Swelling peaks in the first 24 to 48 hours and largely resolves within 3 to 7 days, but the final shape settles at approximately two weeks. Bruising can persist for 7 to 14 days. Two weeks allows both swelling and bruising to fully resolve.
Lip filler is a nonsurgical injectable that adds volume and is metabolized by the body over time. A lip lift is a surgical procedure that shortens the distance between the nose and the upper lip and cannot be undone. Filler is reversible and requires no downtime. A lip lift requires incisions and healing time. Dr. Pia does not perform surgical lip lifts.
The FDA has approved Juvederm Ultra XC, Juvederm Volbella XC, Restylane, Restylane-L, Restylane Silk and Restylane Kysse for lip augmentation. Juvederm Voluma and Juvederm Vollure are not FDA approved for the lips. Restylane Kysse received approval in May 2020 for lip augmentation and upper perioral wrinkles in adults 21 and older. Product selection is confirmed at your consultation.
Results appear immediately and last 6 to 12 months. The exact duration depends on the product: Juvederm Ultra XC adds fullness and lasts up to one year, Juvederm Volbella XC softens perioral lines with subtler volume for up to 12 months, and Restylane Kysse also lasts up to a year. Each carries a different gel thickness and produces a different degree of firmness.
Patient Reviews
Brooke Shields
Achilles Zarbis
Patti Schmidt
Eric Price
Agnes Lermani
Danielle T
Aymun Salman
Emily Van Raay
Alina Senkiv
Nathalie Lyon
Electra Zarbis
Theodora Z
Paul Marron
Nicole
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