Gangnam
Dr. Yoongon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices
Botulinum toxin type A for excessive sweating typically works within 2 to 7 days and lasts around 4 to 6 months, longer than facial botox, before a repeat.
Hyperhidrosis treatment with botulinum toxin type A typically lasts about 4 to 6 months, often longer for palms, before sweating gradually returns. Dryness begins within 2 to 7 days. It reduces excessive sweating temporarily rather than for good, so most people repeat roughly 1 to 2 times a year to stay comfortable in underarms, palms, or soles.
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For excessive sweating, botulinum toxin type A typically lasts about 4 to 6 months per session, noticeably longer than facial line-softening botox. Dryness usually begins within 2 to 7 days and reaches its full effect within about 2 weeks. As the effect fades, sweating gradually returns, which is why hyperhidrosis treatment is temporary and repeatable rather than a one-time cure.
Duration is not identical for every area or person. Underarm (axillary) treatment commonly gives around 4 to 6 months of relief, while palm (palmar) treatment can last a similar length or longer, and studies show duration often increases with repeated injections over time. Dose, the number of injection points, the area treated, and individual response all influence how long dryness lasts.
For international patients planning treatment in Seoul, Korea, this longer duration means fewer repeat visits per year than facial botox. Reberry Clinic supports visitors with multilingual staff and care planned by the clinic’s doctors, so you can time treatment and any follow-up around your travel and daily life.
Botulinum toxin type A treats excessive sweating by temporarily blocking the nerve signal that activates sweat glands, so the treated area produces much less sweat. Because the toxin is acting on the small nerves supplying sweat glands rather than large expression muscles, the effect commonly lasts longer, typically around 4 to 6 months, and repetition can extend it further for some people. Over that time the body forms new nerve connections and sweating gradually returns, which is expected. Several factors shift the timeline: the area treated (underarm, palm, or sole), the dose and number of injection points, and how consistently treatment is repeated. Underarm treatment is the most studied and predictable, while palms and soles can be more sensitive and are approached carefully. Nothing is taken away for good; the nerve signal simply recovers, which is why the treatment is repeated to maintain dryness.
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The area is assessed, sometimes with a starch-iodine test, to place multiple injection points precisely.
Many small doses are placed across the area in 1 short appointment.
Dryness usually begins within 2 to 7 days as sweat-gland signals are reduced.
By about 2 weeks the reduction in sweating settles to its full level.
Around 4 to 6 months, sweating gradually returns and most people repeat to maintain dryness.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess your sweating pattern and explain a realistic 4 to 6 month cycle.
Treatment is a short appointment with many small injection points across the area.
Dryness settles by about 2 weeks and typically holds for around 4 to 6 months.
Expect dryness within 2 to 7 days, full effect near 2 weeks, then a gradual return.
Plan repeat visits about 1 to 2 times a year, and follow simple aftercare for the treated area.
Botulinum toxin type A for excessive sweating typically lasts about 4 to 6 months, and often longer for palms, before sweating gradually returns. Dryness begins within 2 to 7 days and settles by around 2 weeks. It is temporary and repeatable rather than a cure. You can read about the approach on our botox injection page.
Most people notice reduced sweating within 2 to 7 days, with the full drying effect settling by around 2 weeks. Onset can vary slightly by area and dose. If you are visiting Seoul, plan your timing so you can see the effect settle before travelling home, and allow a short window in case you want a quick review.
Yes, underarm (axillary) treatment typically lasts about 4 to 6 months, longer than the roughly 3 to 4 months seen with facial line-softening botox. A 52-week randomized study found a median of about 197 to 205 days for underarm treatment. This is because the toxin acts on sweat-gland nerves rather than large expression muscles, giving a longer, more durable effect.
Palm (palmar) treatment can last a similar length to underarm treatment or longer, and studies show duration often increases with repeated injections, with one report describing a median around 7 months rising to 9.5 months over time. Palms are more sensitive, so technique and comfort matter. Discuss comfort options with the clinic’s doctors.
It wears off because botulinum toxin type A only temporarily blocks the nerve signal to sweat glands. Over about 4 to 6 months, the body forms new nerve connections and sweating gradually returns, so the effect fades. This is expected, and is why the treatment is repeated rather than done once, keeping your comfort maintained over time.
Most people repeat hyperhidrosis treatment roughly 1 to 2 times a year, since each session lasts about 4 to 6 months. This is less often than facial botox. Your ideal rhythm depends on the area, dose, and how quickly sweating returns. The clinic’s doctors can help you plan a schedule that fits your daily life.
No, this treatment is not permanent, because the effect fades as sweat-gland nerve signals recover over about 4 to 6 months. It reduces excessive sweating temporarily and is repeated to maintain dryness, rather than for good. Any claim that a single visit stops sweating forever overstates what it does. The clinic’s doctors explain realistic expectations.
Often, yes. Studies of both underarm and palm hyperhidrosis found that duration tended to increase with repeated injections over time, so consistent maintenance can be helpful. Facial botox does not always show the same pattern, but for sweating this is a well-documented benefit of a regular plan. Your clinic’s doctors track your history to fine-tune dose and timing across sessions.
The area treated, the dose and number of injection points, how active the area is, and your individual response all influence duration. Underarm treatment is usually the most predictable, while palms and soles can vary. None of these mean the treatment is failing; they simply shift the timeline within the usual months-long range, which your consultation can anticipate.
Comfort varies by area and person. Underarm treatment is usually well tolerated with many small injections, while palms and soles can be more sensitive, so the clinic may use cooling or other comfort measures. Most people describe brief discomfort rather than lasting pain. You can discuss comfort options and the plan on our injection treatment page during your consultation.
Downtime is usually minimal. You may see small needle marks or mild tenderness at the injection points that settle quickly, and the clinic will give simple aftercare. Most people return to normal activity soon after, though it is sensible to avoid intense heat or heavy pressure briefly. Tell the clinic your schedule so timing fits travel or work.
Plan your next session as dryness begins to fade, usually around the 4 to 6 month mark, rather than waiting until sweating fully returns. Booking near the end of the cycle keeps you comfortable. You can coordinate timing and options through our botox treatment options, and the English team can help you schedule around future visits to Seoul.
For the large majority of people, repeated hyperhidrosis treatment continues to work well, and studies even show duration increasing with repetition for underarm and palm sweating. Sensible spacing and appropriate dosing help maintain the response. Your clinic’s doctors track your history, so regular maintenance is a normal, well-established part of managing excessive sweating.
Because dryness takes 2 to 7 days to begin and settles by about 2 weeks, plan treatment early enough to see the effect before you leave Seoul if that matters. Many international patients allow a couple of days for a light review. Ask the English team to coordinate timing with other care, such as our skin care options.
Most people can travel soon after, since the treatment involves minimal downtime, though the drying effect still takes a few days to begin regardless of travel. Follow the aftercare the clinic provides for the treated area. If your schedule is tight, tell the clinic so they can plan the appointment and any brief review around your flight.
Many clinics support remote follow-up, which helps international patients track how long dryness lasts and plan the next visit. Ask about English check-ins and keeping notes on file. Reporting when sweating returns helps the clinic fine-tune your dose and timing over cycles. You can arrange ongoing support and review our botox injection page before you travel.
| Underarm (axillary) | Palm / sole (palmar / plantar) | Facial botox (lines) | |
|---|---|---|---|
| Target | Underarm sweat glands | Palm or sole sweat glands | Expression muscles |
| Onset | 2 to 7 days | 2 to 7 days | 3 to 7 days |
| Typical duration | About 4 to 6 months | Similar length or longer | About 3 to 4 months |
| Repeat rhythm | About 1 to 2 times a year | About 1 to 2 times a year | About 3 to 4 times a year |
| Comfort notes | Well tolerated, many small points | More sensitive area, care taken | Quick, minimal downtime |
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