Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Intradermal botulinum toxin type A temporarily blocks sweat-gland signals in the soles, with studies reporting sweat reductions that typically last around 4 to 6 months per session.
To choose a good sole hyperhidrosis clinic in Seoul, look for accurate diagnosis, thorough comfort management, and correct intradermal botulinum toxin type A technique across the whole sole using an even grid. Soles have thick, sensitive skin, so numbing or a nerve block matters. At Reberry Clinic, the doctors map sweating first, then dose per foot.
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Plantar hyperhidrosis is excessive sweating of the soles beyond what the body needs for temperature control. It often begins in adolescence, can run in families, and leads to slippery footing, damp socks and shoes, odour, blisters, and a higher risk of skin issues such as fungal infection. Sole sweating frequently occurs alongside palm sweating and, like it, can affect daily comfort and confidence more than its medical severity alone would suggest.
The main in-clinic treatment is intradermal botulinum toxin type A. Injected in a fine grid across the sole, it temporarily blocks the acetylcholine signal that activates sweat glands, so the foot sweats far less for months. It is non-surgical and does not remove sweat glands; the effect is temporary and repeatable. Soles have thick skin and are sensitive, so comfort management, such as numbing, cooling, vibration, or an ankle nerve block, is a key part of a good sole protocol.
At Reberry Clinic, sole hyperhidrosis care is consultation-led. The clinic’s doctors confirm the diagnosis, rule out secondary causes, map the sweating area, and plan dosing per foot. International patients are supported in English across three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport), so treatment can be timed around your visit to Korea.
Sweat glands are activated by acetylcholine released from small sympathetic nerve endings in the skin. Botulinum toxin type A blocks that acetylcholine release locally, so the nerve signal never reaches the sole’s sweat glands and sweating in the treated area drops sharply. Because the sole has thick skin and a large surface, an even grid of injection points spaced about 1.5 to 2 cm apart is placed across the whole sole, often 30 to 50 points per foot, so coverage is uniform. The sweating map can be defined first with a starch-iodine (Minor’s) test, which stains active areas dark. The sole is sensitive and its skin is thick, so comfort measures matter: topical numbing, cooling, vibration, or an ankle nerve block, and a slightly deeper needle entry to reach the sweat glands. The effect builds over a few days, peaks within about 1 to 2 weeks, and gradually fades as nerve endings recover, which is why sole treatment is repeated. Accurate intradermal depth and even spacing deliver smooth, complete relief rather than patchy areas.
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The clinic’s doctors confirm sole sweating is primary, then grade its impact using a 4-point severity scale, which guides how aggressively to dose.
A starch-iodine test stains the most active areas so 30 to 50 injection points cover the whole sole, including heel and toes, not just the arch.
Because soles are sensitive with thick skin, numbing, cooling, vibration, or an ankle nerve block is prepared before the roughly 30 to 50 points per foot.
Botulinum toxin type A is placed in a fine grid within the skin, spaced about 1.5 to 2 cm apart; the session usually takes about 20 to 30 minutes.
Sweat reduction builds over a few days and peaks within about 1 to 2 weeks, then holds for several months before a repeat is considered.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors confirm sole sweating is primary, grade its impact, and explain the plan, comfort options, and cost transparently in English.
Numbing or a nerve block is prepared first, then treatment across the whole sole usually takes about 20 to 30 minutes per foot area.
The visit is short, but the sweat-reducing effect builds over the following days rather than being immediate.
Most people notice clearly drier soles within about 1 to 2 weeks, holding for several months before a repeat is considered.
Because the effect wears off as nerves recover, sole sessions are repeated roughly every 4 to 6 months to maintain dryness.
Choose a clinic where doctors diagnose the sweating, map the whole sole, and offer thorough comfort care such as numbing or a nerve block. Even intradermal grid spacing and correct depth in thick skin matter most. You can start on our botox injection page to see the approach.
Intradermal botulinum toxin type A is the main in-clinic treatment for sole sweating. Injected in a fine grid across the sole, it temporarily blocks the nerve signal that activates sweat glands, so the feet sweat far less for months. It is non-surgical and repeated when the effect fades.
A sole usually needs around 30 to 50 injection points per foot, spaced about 1.5 to 2 cm apart, so the whole surface including heel and toes is covered. Thick sole skin also needs careful needle depth. Your doctor tailors the exact grid to your starch-iodine sweating map.
Soles have thick, sensitive skin, so comfort care is essential and used routinely: numbing, cooling, vibration, or an ankle nerve block. Most sessions take about 20 to 30 minutes. With proper preparation, most patients tolerate sole treatment well, and your doctor adjusts the method to your comfort.
Downtime is minimal, and you can walk gently the same day, though brief tenderness underfoot is common for a short while. Long walks, running, and intense heat are avoided briefly. Comfortable, cushioned shoes help. Your doctor gives specific aftercare so your feet recover comfortably.
Sole dryness builds over a few days and typically peaks within about 1 to 2 weeks after treatment, not immediately, as the toxin gradually blocks the nerve signal. If a small area still sweats, your doctor can review and top up at a follow-up so coverage across the sole is even.
Sole results commonly last around 4 to 6 months per session, similar to palms, though this varies by person and activity level. When sweating gradually returns as nerves recover, the session is simply repeated. Your doctor tracks your timeline so repeats are planned before symptoms fully return.
Sole sweating is managed rather than fixed once, so treatment is repeated as the effect fades, often 2 to 3 times a year for the feet. Many people settle into a comfortable rhythm. Your doctor monitors how long dryness lasts for you and schedules repeats to match your pattern.
Yes, soles and palms are separate areas and can be treated with per-area dosing, often in the same visit, since neither competes with the other. Many people with sweaty feet also have sweaty palms. You can compare related injectable options on our injection treatment page. Your doctor plans each area.
Studies report that intradermal botulinum toxin type A is well tolerated for plantar hyperhidrosis, with side effects usually mild and temporary. A proper consultation screens for contraindications like pregnancy or neuromuscular conditions. You can read more about how it is used on our botox injection page.
Most side effects are mild and short-lived, such as injection-site tenderness, small bruises, or brief walking discomfort. Because the sole is used for balance, careful dosing avoids affecting foot muscles. Your doctor reviews your history and injects at the right depth to keep walking comfortable while reducing sweat.
Iontophoresis uses a mild electric current in water and can help foot sweating but needs frequent ongoing sessions. Intradermal botulinum toxin instead gives months of dryness per session by targeting the nerve signal. Your doctor helps you weigh convenience, comfort, and maintenance to choose what fits your routine.
Avoid long walks, running, saunas, and intense heat for the rest of the day, wear comfortable cushioned shoes, and keep the skin clean and dry. Normal gentle walking resumes quickly. Keeping feet dry also lowers infection risk. A gentle skin care routine keeps treated skin comfortable.
Most adults with moderate to marked sole sweating that affects daily life are suitable once secondary causes and active foot infections are excluded. Pregnancy, breastfeeding, and some neuromuscular conditions are contraindications. A consultation on our botox injection page confirms your suitability and sets your plan.
A visit of 1 to 2 days is usually enough, as sole mapping and injection take about 20 to 30 minutes with minimal downtime. Because dryness builds over 1 to 2 weeks, many international patients fly home afterwards. Our English-speaking team helps you coordinate timing around your trip and comfortable walking.
Yes, flying within a day or so is generally fine because sole treatment is non-surgical with minimal downtime. Wear comfortable shoes, avoid long walks and excessive heat while travelling, and keep feet clean and dry. If you had a nerve block, wait until normal sensation and balance return before walking far.
International patients can be reviewed remotely in English between visits, and repeat sole sessions are timed to your next trip to Seoul. Your sole map and dosing are kept on file for continuity. You can plan the approach in advance on our botox injection page.
| Intradermal Botulinum Toxin | Prescription Antiperspirant | Iontophoresis | |
|---|---|---|---|
| Mechanism | Temporarily blocks the nerve signal to sole sweat glands | Topically reduces sweat-duct output on the sole | Uses a mild electric current in water to reduce foot sweating |
| Best for | Moderate to marked sole sweating wanting months of relief | Milder sole sweating or a first at-home step | Foot sweating for those preferring a device-based routine |
| Pain / comfort | Sensitive, thick skin; managed with numbing or a nerve block | None, but can irritate skin | Mild tingling; needs repeated home or clinic sessions |
| Downtime | Minimal; brief walking tenderness possible | None | None, but ongoing sessions required |
| Results timeline | Builds over days, holds for months, then repeated | Ongoing daily use needed | Requires frequent maintenance sessions |
| Cost context | Depends on point count per foot and area covered | Lower per-item but continuous | Device or repeated-session cost over time |
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