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At Sonia Cosmetic Clinic in North York, underarm Botox with Dysport treats excessive underarm sweating, medically known as axillary hyperhidrosis, along with the odor that comes with it. If antiperspirants stop working by midday or sweat marks are dictating what you wear, this treatment addresses the cause directly. Performed by Maryam, a certified medical aesthetician with over 30 years of experience.

Is It More Than Normal Sweating?
Everyone sweats. Hyperhidrosis is different โ it is sweating well beyond what your body actually needs for cooling, and it tends to follow a recognizable pattern.
If several of these sound familiar, you may be dealing with primary axillary hyperhidrosis, a recognized medical condition that responds very well to Botox treatment. Maryam can discuss your specific situation during a consultation.
About the Treatment
Excessive underarm sweating, medically known as axillary hyperhidrosis, affects far more people than most realize. It is not just about discomfort on a hot day. For many people, it means avoiding certain fabrics, certain colours, or even certain social and professional situations because of visible sweat marks or persistent odor.
Underarm Botox treats this at the source. Botox, or in this case Dysport, is injected in a grid pattern across the underarm. The treatment blocks the nerve signals that activate the sweat glands in that specific area, significantly reducing both the volume of sweat produced and the odor that bacteria create when they interact with sweat.
This is not a cosmetic trend. Botulinum toxin for axillary hyperhidrosis is a Health Canada-approved medical treatment for excessive sweating, with over two decades of clinical use and a long track record of safety. At Sonia Cosmetic Clinic in North York, Maryam performs every treatment personally, using a precise injection pattern designed to cover the full sweat gland area evenly.
The appointment itself takes about an hour, most of which is the treatment being mapped and administered carefully across both underarms. There is no surgery, no significant downtime, and results begin within a few days.
Why Clients Choose This Treatment
Targets the sweat glands directly to significantly cut down underarm perspiration, even in situations that previously triggered heavy sweating.
Less sweat means less bacterial activity, which is what actually causes underarm odor. Many clients notice odor reduction alongside dryness.
Results last 4 to 6 months on average, giving you an extended window of dryness and confidence without daily maintenance.
A well-established, medically recognized treatment performed in a single appointment with minimal discomfort and no real downtime.
How It Compares
Most people try several approaches before considering Botox. Here is how it compares to the alternatives.
Is It Right for You?
If certain colours or fabrics are off-limits because of sweat marks, this treatment directly addresses the cause rather than just managing the symptom.
For clients who feel anxious about sweating during presentations, interviews, dates, or any situation where staying composed matters.
If you sweat excessively regardless of temperature, activity level, or stress, this could be axillary hyperhidrosis โ a recognized medical condition that responds very well to Botox treatment.
If you have tried clinical-strength antiperspirants without success, Botox addresses the problem at the nerve and gland level rather than just blocking pores temporarily.
For clients who exercise regularly or have physically demanding jobs and want a longer-lasting solution to excessive sweating than topical products provide.
Many clients book before a wedding, big event, or summer season specifically to avoid the stress of visible sweating on the day.
The Science
Understanding the mechanism helps explain why this treatment works so reliably for excessive sweating.
Sweat glands are activated by signals from nearby nerves. Botox and Dysport block the chemical messenger (acetylcholine) that triggers these nerves.
Without the nerve signal, the targeted sweat glands in the underarm stop producing sweat at their usual rate, dramatically reducing perspiration in that specific area.
Over 4 to 6 months, the nerve-blocking effect gradually wears off and normal sweat gland function returns, which is why repeat treatment maintains results.
Botulinum toxin (Botox, Dysport) for severe primary axillary hyperhidrosis is approved by Health Canada and has been used clinically for this purpose since the early 2000s.
Pricing
One treatment covers both underarms in a single appointment. The session includes mapping the injection pattern across each underarm to ensure even, complete coverage of the sweat gland area.
Results typically last 4 to 6 months. Repeat treatment is recommended to maintain dryness long term.
Your Treatment Journey
Maryam reviews your sweating concerns and confirms this treatment is right for you.
The underarm area is mapped out in a grid pattern to ensure full, even coverage of the sweat gland area.
A series of small, shallow injections are administered across each underarm. Most clients tolerate this very well.
Noticeable reduction in sweating begins within days, with full effect by around two weeks.
Why Choose Us
Every underarm Botox session is administered by Maryam personally, never delegated to junior staff.
A careful grid mapping approach ensures the entire sweat gland area is treated evenly, not just a few central points.
Decades of injection experience across thousands of clients, applied to every underarm Botox treatment we perform.
Maryam will tell you clearly what results to expect and how long they should last based on your specific situation.
Steps from Sheppard-Yonge subway. Convenient for clients across North York, Willowdale, Don Mills, and the broader GTA.
One price covers both underarms with no hidden add-ons or surprise charges at your appointment.
Who We Serve
Clients come to our North York clinic from across Toronto and the GTA for hyperhidrosis treatment.
Meet Your Specialist

Maryam understands that excessive sweating is more than a minor inconvenience for many of her clients. It affects what they wear, how they show up at work, and how confident they feel in social situations. She approaches underarm Botox with the same precision she brings to facial injections, ensuring the entire treatment area is covered evenly for the most complete and lasting result.
Her three decades of injection experience translate directly into how confidently and precisely she maps and administers each treatment, which is a meaningful factor in how complete and even the final result is.
"Excessive sweating can quietly affect someone's confidence every single day. This treatment gives people months of relief and that is genuinely rewarding to be part of."
Related Treatments
Forehead lines, frown lines, crow's feet, and more. Performed by Maryam with the same precision and care as underarm treatments.
Learn more โMany clients combine underarm Botox with laser hair removal for a complete underarm care routine.
Learn more โDeep cleansing and hydration treatment for the face. A popular complement for clients focused on full-body confidence and self-care.
Learn more โCommon Questions
Stay Dry. Stay Confident.
Book online and let Maryam map out a precise, even treatment for both underarms. Months of dryness and confidence start with one appointment.