The Botox Lip Flip Timeline: What to Expect
A common question is how long a lip flip lasts—and what changes unfold from the day of treatment through the final result.
Below is a clear, evidence-informed timeline outlining what to expect.
How Long a Lip Flip Typically Lasts
A Botox lip flip usually lasts 8–12 weeks, depending on muscle activity, metabolism, and how often the area is treated.
This is slightly shorter than typical forehead or frown-line treatments because the muscles around the lips are small, active, and frequently engaged during speech, eating, and expression.
Longevity varies from person to person but tends to fall within a predictable range.
When Results Start to Appear
The lip flip does not create immediate visible changes. Instead, movement begins to soften gradually.
Most people experience the following timeline:
- early changes around Days 2–4
- noticeable relaxation around Days 5–7
- full effect settling by Days 10–14
This slow onset is normal for neuromodulators, especially in high-mobility regions like the mouth.
Lip Flip Week-by-Week Timeline
Timeframe | What Typically Happens |
Days 1–2 | Mild sensitivity; minimal visible change |
Days 3–4 | Early softening begins; upper lip feels relaxed during movement |
Days 5–7 | The lip begins to roll slightly outward; shape looks more defined |
Week 2 | Full results settle; the lip appears subtly lifted |
Weeks 3–6 | Results remain consistent; movement stays soft and controlled |
Weeks 7–10 | Effects gradually lessen as muscle activity returns |
Weeks 10–12 | Most of the effect has worn off; retreatment may be considered |
Because the orbicularis oris muscle is active throughout the day, the return of movement tends to happen earlier than with upper-face areas.
What a Lip Flip Can and Cannot Do
What It Can Do
- enhance the appearance of the upper lip without filler
- soften the inward tuck of the upper lip when smiling
- create a slightly more pronounced Cupid’s bow
- provide a subtle and natural-looking effect
- reduce signs of a “gummy” smile
What It Cannot Do
- add physical volume or fullness
- reshape the lip structure
- lift the entire mouth area
- replace the effects of dermal filler
The lip flip is a technique-focused treatment designed for definition, not volume enhancement.
Why Lip Flip Longevity Varies
Muscle Activity
Frequent talking, expressive movement, and chewing can shorten the duration since the upper lip is one of the most active muscle groups in the face.
Dosage Based on Anatomy
The amount used for a lip flip is intentionally small to allow natural speaking and smiling.
Metabolism
A faster metabolic rate may reduce the duration of neuromodulator effects.
Treatment Consistency
Repeating treatments before full movement returns may extend longevity over time.
Technique and Clinical Oversight
The lip flip requires meticulous placement because the muscles around the mouth are delicate and highly functional.
Skin Vitality follows physician-directed clinical protocols overseen by Medical Director Dr. Ramzan, MD. Licensed medical injectors assess lip shape, movement patterns, and the degree of upward curl desired before developing a tailored treatment plan.
The goal is always a soft, natural look without restricting normal function.
Frequently Asked Questions
How long does a lip flip last?
Most lip flips last 8–12 weeks, with full results appearing around Days 10–14.
When does a lip flip start working?
Early softening begins around Days 3–4, with full effect by Week 2.
Does a lip flip make the lips look bigger?
It creates the appearance of more upper-lip definition, but it does not add volume.
Can a lip flip be combined with filler?
Yes. The combination is common for those who want both structure and subtle upward curl.
Does a lip flip affect speaking or eating?
The goal is targeted relaxation, not impaired function. Slight movement differences may be noticeable initially but typically feel normal within days.
At Skin Vitality, we specialize in advanced aesthetics, medical-grade treatments and personalized body contouring plans tailored to your unique body, goals, and lifestyle. With over 200 medically trained staff across 14 clinics, and proudly serving Ontario since 1992, we’re Canada’s #1 provider of Botox®, Juvederm®, and CoolSculpting®, and the leading provider of EMSCULPT NEO in Ontario.
Our treatments are clinically overseen by Dr. Ramzan, MD, Medical Director at Skin Vitality Medical Clinic and a board-certified physician. Treatments are performed by licensed nurses, injectors, and technicians.
We don’t believe in one-size-fits-all treatments, we believe in custom transformations backed by medical expertise, proven technology, and trust.
Witmanowski, H., et al. (2020). Botulinum Toxin in Perioral Rejuvenation: Safety and Efficacy. Aesthetic Plastic Surgery.