How long does Botox® last?
Anon, Whenuapai.
Botulinum toxin, more commonly known at Botox® is a neurotoxin that relaxes muscles. It is injected in different areas at different doses, in order to target muscles we no longer want to contract.
Results tend to last approximately 3-4 months, however this is dependent on a few factors. Some injectors (and companies) argue certain brands of Botulinum toxin last longer than others, however research has consistently shown dose injected is the most important factor, as the higher the doses used, the longer results last. Higher doses however are associated with more muscle paralysis, so a more “frozen” look, which can appear less natural. A more targeted approach to individual anatomy can also yield longer results as no unit of toxin is wasted on muscles that do not need treatment.
Even though typical results last 3-4 months, repeat treatments often aren’t required for a bit longer as the facial muscles take time to re-train and catch up to the rest of the face to resume normal expression. This means one can often obtain 5-6 months of longevity out of their anti-wrinkle treatments, which has the added benefit of allowing muscles to regain full strength before repeat treatment, so are less likely to waste and lead to an odd appearance long term. It is also fantastic for the budget!
Utilizing evidence-based products from reputable brands that are reconstituted correctly, not expired and stored correctly will also enhance results. It is always important to ask your injector what they use and why, and check they store their products correctly. Make sure you also keep an eye on long-term changes in your face as result of anti-wrinkle injections, as repeated high-dose treatments when not required can often lead to heaviness and/or an odd appearance with strengthening of other muscles in order to maintain normal facial expression.
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