How Many Units of Botox Are Needed for a Lip Flip?
A Botox lip flip is a minimally invasive cosmetic treatment designed to make the upper lip appear slightly more visible and defined without adding the volume associated with dermal fillers. Because the treatment uses a small amount of botulinum toxin around the upper lip, one of the most common questions patients ask is: How many units of Botox are needed for a lip flip? In many published techniques, a lip flip uses approximately 4–6 units of botulinum toxin type A , although the exact amount depends on the patient's lip anatomy, muscle activity, treatment goals and the specific botulinum toxin product being used. A recent systematic review of published lip-flip techniques found that 4–6 units was a commonly reported range. A newer prospective study also evaluated a standardized treatment using 4 units of onabotulinumtoxinA , demonstrating a modest increase in upper-lip height without increasing actual lip volume. What Is a Botox Lip Flip? A Botox lip flip uses small amounts of bo...