Botox · Excessive sweating
Underarm Botox for Sweating in Myeongdong, Seoul
Heavy underarm sweating that soaks through clothes is a medical condition called hyperhidrosis. Botox in the underarm skin blocks the signal to sweat glands, often for months at a time.
Quick answer
Underarm Botox treats excessive sweating (axillary hyperhidrosis) by blocking the nerve signal to the sweat glands in the skin. Many small injections are spread across the sweating area, commonly about 50 units per underarm. Sweating reduces within about a week and the effect typically lasts 4–9 months. It is a well-established medical use of botulinum toxin.
How does underarm Botox work?
Sweat glands are switched on by nerve signals. Botulinum toxin placed just under the skin blocks those signals locally, so the treated area sweats much less. Sweating elsewhere, which helps cool the body, continues normally. Odour usually reduces too, because there is less moisture.
Who is it for?
- Underarm sweating that marks clothes or affects daily life.
- People for whom prescription antiperspirants have not been enough.
- Not during pregnancy or breastfeeding, or with neuromuscular disorders.
How Obliv plans underarm Botox
The sweating area can be outlined with a starch-iodine test, which turns dark where sweat appears. Your doctor then places small injections in a grid about 1–2 cm apart across that area.
| Typical dose | Commonly about 50 units per underarm (onabotulinumtoxinA equivalent) |
|---|---|
| Technique | Grid of superficial points across the sweating area |
| Pairs well with | Laser hair removal |
Results and recovery
No downtime. Use deodorant again after 24 hours. Sweating usually drops within a week.
Risks and side effects
- Small bruises or tenderness.
- Rarely, a feeling of more sweating elsewhere.
Aftercare
- Skip deodorant, shaving, sauna and hard exercise for 24 hours.
- Wear loose clothing on the day.
Botox by area
Every area has its own muscles, doses and risks. Choose an area for a doctor-reviewed guide, or read the Botox overview and our comparison with Xeomin.
Looking for volume rather than relaxation? See dermal fillers by area, or meet the doctors who plan every dose.
Ask a doctor about Botox
Send a photo and your travel dates on WhatsApp (+82-10-3086-4084). English replies, a personal plan and a written quote before you fly.
Frequently asked questions
How long does underarm Botox last?
Typically 4–9 months, sometimes longer.
Is it safe to stop sweating under the arms?
Yes. The underarms are a small area; the rest of the body continues to sweat and cool you normally.
Does underarm Botox hurt?
It feels like a series of small pinches. Ice or numbing cream can be used.
Related treatments and guides
Last reviewed 2026-10-29. General information, not a diagnosis; your plan is set after an in-person consultation.