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Published on: 3/7/2026
Lip flip before and after results are subtle but noticeable: tiny botulinum toxin injections relax the upper lip so it gently rolls outward, revealing more pink and softening a gummy smile—without adding volume. Full effects appear within 7 to 14 days and typically last 6 to 8 weeks.
Key factors to consider include candidacy, how a lip flip differs from filler, costs and maintenance, common and rare risks, when to seek urgent care, and evidence-based prep, aftercare, and provider selection. It's also important to rule out underlying medical causes like cheilitis before pursuing cosmetic treatment.
If you're noticing lip changes, swelling, cracking, or other symptoms, don't guess—get clarity in minutes. A free, instant, online symptom check from Ubie Health uses AI-driven, physician-reviewed questions to help you understand what may be causing your symptoms and what steps to take next. It's fast, private, and could save you time, money, and worry before booking a consultation.
Reviewed for medical accuracy: 07/09/2026
Not seeing your question? No worries.
Submit your own QuestionIf you're researching lip flip before and after results, you're likely curious about what actually changes, how it works, and whether it's safe. A lip flip is a non-surgical cosmetic treatment that uses small amounts of botulinum toxin (such as Botox®) to subtly enhance the upper lip. It's quick, relatively low-cost, and increasingly popular.
But what does the science say? And what should you realistically expect before booking an appointment?
Let's walk through it clearly and honestly.
A lip flip involves injecting tiny amounts of botulinum toxin into the orbicularis oris muscle, the circular muscle around the mouth.
Botulinum toxin works by temporarily relaxing muscles. In a lip flip, relaxing the upper lip muscle causes the lip to:
Importantly, this is not the same as lip filler. No volume is added. Instead, the lip is repositioned slightly.
When people search for lip flip before and after, they're usually expecting dramatic transformation photos. In reality, the change is subtle.
The key word is subtle. If you're looking for dramatic volume, filler may be more appropriate.
Botulinum toxin does not work immediately.
Typical timeline:
If you're evaluating your lip flip before and after, wait a full two weeks before judging the outcome.
Most lip flips last 6 to 8 weeks, sometimes up to 10 weeks.
This is shorter than other Botox treatments because:
Maintenance treatments are typically required every 2–3 months.
You may be a good candidate if you:
You may not be a good candidate if you:
A consultation with a qualified medical provider is essential.
Lip flips are generally considered safe when performed by trained medical professionals. However, no procedure is risk-free.
Common temporary side effects:
Less common but possible effects:
These effects typically resolve as the toxin wears off.
Very rarely, botulinum toxin can spread beyond the injection area. Symptoms may include:
If you experience any of these symptoms, seek medical care immediately.
While this is uncommon, it's important to understand the possibility.
When comparing lip flip before and after to filler results, the difference is clear.
Some people combine both treatments for enhanced results.
Before pursuing cosmetic treatment, it's important to make sure lip concerns aren't medical.
If you're experiencing persistent cracking, redness at the corners of the mouth, peeling, scaling, or burning sensation, these could be signs of Cheilitis—a medical condition causing lip inflammation that should be evaluated before any cosmetic procedure. Getting an accurate understanding of whether your symptoms are medical or cosmetic can prevent unnecessary treatments and help you address the root cause first.
Treating underlying inflammation before cosmetic procedures is medically recommended.
To reduce bruising and complications, providers often suggest:
Always disclose:
Transparency improves safety.
After your lip flip:
You can resume normal activities quickly in most cases.
When reviewing lip flip before and after images, remember:
The most satisfied patients typically want refinement, not transformation.
If you're seeking change due to intense dissatisfaction with your appearance, consider discussing that with a healthcare professional. Cosmetic procedures can enhance features, but they don't fix deeper self-image concerns.
This is not a place to cut corners.
Look for:
Avoid:
Experience matters significantly around the mouth due to complex muscle function.
Costs vary by location but generally range from:
Lower price reflects smaller toxin amounts used compared to other facial areas.
Remember: cheaper is not always safer.
A lip flip offers:
It does not:
From a medical standpoint, it is generally safe when performed by trained professionals, but it still carries risks that should be openly discussed.
If you're unsure whether your lip concerns are cosmetic or medical, learn more about Cheilitis symptoms and causes to rule out underlying inflammation before scheduling any cosmetic treatments—addressing medical issues first can lead to better outcomes overall.
Most importantly, always speak to a doctor before undergoing any cosmetic procedure—especially if you have underlying health conditions, neurological disorders, or experience unusual symptoms. If you ever develop difficulty breathing, swallowing, or significant muscle weakness after treatment, seek immediate medical attention.
Subtle enhancements can be powerful when done safely and thoughtfully. The key is informed decision-making, realistic expectations, and working with a qualified medical professional.
(References)
* Park YJ, Yim SH. "Lip flip" procedure using botulinum toxin type A: clinical pearl for a rejuvenating and fuller lip. Plast Reconstr Surg Glob Open. 2023 Apr 14;11(4):e4941. doi: 10.1097/GOX.0000000000004941. eCollection 2023 Apr. PMID: 37197825.
* Patel PM, Balasubramanian S. Lip flip: A nonsurgical technique for lip augmentation using botulinum toxin. J Cosmet Dermatol. 2021 Jul;20(7):2208-2209. doi: 10.1111/jocd.14022. Epub 2021 Mar 22. PMID: 33754378.
* Karabudak O. A Systematic Review of Botulinum Toxin Type A for Perioral Rejuvenation. Aesthetic Plast Surg. 2021 Feb;45(1):310-318. doi: 10.1007/s00266-020-02028-1. Epub 2020 Nov 4. PMID: 33146743.
* Carruthers J, Carruthers A. Treatment of the perioral region with botulinum toxin: an evidence-based review. J Cosmet Dermatol. 2021 Jul;20(7):2178-2187. doi: 10.1111/jocd.14072. Epub 2021 Mar 22. PMID: 33754395.
* Patel PM, Balasubramanian S. Botulinum Toxin for Lip Augmentation. J Cutan Aesthet Surg. 2012 Jan;5(1):7-11. doi: 10.4103/0974-2077.93514. PMID: 22448074. PMCid: PMC3312959.
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