The short answer: most Botox treatments last 3 to 4 months. But several factors can push that window shorter or longer, and knowing them helps you plan your next appointment without surprises.
The typical timeline
After a Botox session at our Toronto clinic, you’ll see softening of expression lines starting around days 3 to 5. Full results appear by day 14. From there, results plateau for roughly 8 to 12 weeks, then gradually fade as the neurotoxin metabolizes. By month 4, most people are ready for a touch-up.
What makes Botox wear off faster
- Higher metabolism. Active people who work out 4+ times a week often see results fade closer to month 3 instead of month 4.
- Lower dose. Going under-treated to “see how it looks” almost guarantees faster fade.
- Strong muscle activity. The 11s, masseter, and crow’s feet all wear off faster because those muscles work harder than the forehead.
- Body’s antibody response. A small percentage of patients develop tolerance over time. Switching between Botox and Dysport every few cycles can help.
What makes Botox last longer
- Consistent treatment. Patients on a regular 3-4 month schedule often see longer windows over time as the treated muscles weaken.
- Adequate dosing. Forehead lines typically need 10-20 units; the 11s need 15-25; crow’s feet need 8-12 per side.
- Avoiding heat and strenuous exercise for 24 hours post-treatment.
When to book your next appointment
We generally recommend booking your next Botox session at month 3.5 to avoid letting muscles fully reactivate before treatment. If you wait until results are completely gone, you’re essentially starting from scratch each time.
What does Botox cost in Toronto?
At Bar Beauty Medical, Botox is priced at $10 per unit. A standard forehead treatment runs 15-25 units, so most clients spend $150-$250 per visit. See our full Botox guide for area-by-area dosing recommendations and pricing.
Frequently asked questions
Does Botox last longer the more you get it?
Often, yes. Long-term consistent Botox can train the muscle to stay relaxed even between sessions. Some patients eventually stretch to 5 or 6 months between treatments.
Will my Botox last through a vacation in 4 months?
Probably right at the edge. Book a touch-up appointment for 1-2 weeks before you leave to make sure results are fresh.
Can I exercise right after Botox?
Skip the gym for 24 hours and avoid lying flat for 4 hours post-treatment. After that, normal activity is fine.
Book a complimentary Botox consultation with a licensed injector at Bar Beauty Medical, located at 46 Fort York Blvd in downtown Toronto.