2026-09-16: Updated English wording to use armpits.
Last updated: September 16, 2026
TL;DR
DryDry Original is designed to last up to 7 days; results vary by individual. DryDry Original Dab-on is for armpits, hands and feet. Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat. Wash the treated area after sleeping or resting, following the product instructions.
What is hyperhidrosis and who does it affect?
Hyperhidrosis is excessive sweating that goes beyond what the body needs for temperature regulation. According to sweathelp.org, the International Hyperhidrosis Society estimates that approximately 5 percent of people worldwide experience hyperhidrosis. The condition affects specific body areas, most commonly the armpits, palms, and soles of the feet, in its primary form, which has no underlying medical cause.
The impact is primarily practical and social. Shirts soaked through before mid-morning, wet handshakes, slipping grip on equipment, avoidance of social situations involving physical contact; these are the daily realities for people with untreated hyperhidrosis. The condition is not dangerous, but it is consistently disruptive in ways that standard hygiene products cannot address.
According to the American Academy of Dermatology, hyperhidrosis affects people of all ages and is significantly underreported because many sufferers assume nothing effective is available, or feel embarrassed to raise it with a physician. A large proportion of people with hyperhidrosis have never tried clinical-strength topical treatment correctly.
Why is aluminum chloride the first-line treatment for hyperhidrosis?
Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat. Wash the treated area after sleeping or resting, following the product instructions.
The American Academy of Dermatology identifies clinical-strength aluminum chloride antiperspirant as the recommended first-line OTC treatment for hyperhidrosis. The AAD's treatment ladder puts topical aluminum chloride at step one, before iontophoresis, prescription formulas, or botulinum toxin injections. Starting with the strongest available OTC formula and applying it correctly resolves hyperhidrosis to an acceptable level for a significant proportion of people, without escalating to clinical procedures.
A peer-reviewed reference at NCBI StatPearls similarly lists topical aluminum chloride as a first-line option for hyperhidrosis across affected body areas.
Which DryDry formula is right for hyperhidrosis?
The correct starting formula depends on the severity of sweating and skin tolerance, not on any one-size-fits-all recommendation.
For most people with hyperhidrosis, start with the DryDry Original. The DryDry Original contains aluminum chloride at the highest concentration in the product range and is designed to last up to 7 days per application. For someone who sweats heavily and has not experienced significant skin sensitivity with other antiperspirants, the DryDry Original is the correct first choice. Lower-concentration formulas will typically provide insufficient control for clinical-grade hyperhidrosis.
DryDry Sensitive is water-based and alcohol-free. Follow its current product instructions. Clinical Antiperspirant for Sensitive Skin.
For multiple body areas, the same formulas apply. Palmar hyperhidrosis (sweaty palms) and plantar hyperhidrosis (sweaty feet) respond to the same aluminum chloride mechanism. The DryDry Original Dab-on can be applied to palms and the Foot Spray addresses plantar sweating. DryDry's product range is specifically designed to cover all the primary hyperhidrosis-affected body areas under one brand.
How do you apply antiperspirant correctly for hyperhidrosis?
Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat.
DryDry Original:
- Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat.
- Apply a thin, even layer. More product does not improve results. A thin layer on dry skin is what the formula is designed for.
- Wait until it has dried before getting dressed.
- Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat.
- Wash the treated area after sleeping or resting, following the product instructions.
- If the first application is not enough, repeat during your next sleep or rest period, following the product instructions. After that, reapply when sweating returns.
The full routine with common application mistakes is in How to Apply Clinical-Strength Antiperspirant.
What if clinical-strength antiperspirant is not enough for your hyperhidrosis?
A 4 to 6 week trial of correct clinical-strength application is the standard evaluation period before concluding OTC treatment is insufficient. If breakthrough sweating persists after that period with correct application on a maintenance schedule, the next options on the treatment ladder are:
- Prescription-strength aluminum chloride formula. Higher concentrations than OTC products, available through a dermatologist.
- Iontophoresis. A device that passes a mild electrical current through water into the skin. Particularly effective for palmar and plantar hyperhidrosis per the AAD. Requires multiple sessions per week initially, then maintenance.
- Botulinum toxin injections. Injected into the affected area to temporarily block sweat-gland nerve signals. Effects last 4 to 12 months. Used for armpits and palms when topical and iontophoresis approaches are insufficient.
- Oral medications. Anticholinergic medications reduce nerve signaling to sweat glands systemically but carry systemic side effects. Reserved for cases where localized treatments are inadequate.
Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat. Wait until it has dried before getting dressed. Wash the treated area after sleeping or resting, following the product instructions. If the first application is not enough, repeat during your next sleep or rest period, following the product instructions. After that, reapply when sweating returns. When Pharmacy Antiperspirant Fails: What to Try.
Frequently asked questions
Is hyperhidrosis a medical condition that needs a diagnosis?
Primary hyperhidrosis does not require a formal diagnosis to begin OTC treatment. The American Academy of Dermatology recommends starting with clinical-strength topical aluminum chloride when sweating is heavy, persistent, and affects daily life. A physician visit is appropriate if sweating started suddenly, occurs during sleep, or is accompanied by other symptoms; those patterns may suggest a secondary cause that requires investigation.
Can hyperhidrosis be controlled with antiperspirant?
Clinical-strength antiperspirant controls hyperhidrosis during the active protection window. It reduces sweat output while the gel plug is in place and requires ongoing maintenance application to sustain that effect. For primary hyperhidrosis, which has no underlying medical cause, OTC management on a maintenance schedule is the practical long-term approach for most people: effective control, not a cure.
What is the strongest OTC antiperspirant for hyperhidrosis in Europe?
DryDry Original is designed to last up to 7 days; results vary by individual. Apply DryDry Original to completely dry, unbroken, non-irritated skin before sleep or extended rest when you are unlikely to sweat. Wait until it has dried before getting dressed. Wash the treated area after sleeping or resting, following the product instructions. If the first application is not enough, repeat during your next sleep or rest period, following the product instructions. After that, reapply when sweating returns. DryDry Sensitive is water-based and alcohol-free. Follow its current product instructions. DryDry Original.
Does hyperhidrosis get worse with age?
Primary hyperhidrosis often begins in adolescence or early adulthood and can vary in intensity over time. Some people find it improves after middle age; others find it remains consistent or fluctuates with life changes, stress levels, or hormonal shifts. Managing it with clinical-strength antiperspirant on a maintenance schedule provides consistent control regardless of how baseline severity changes over time.
Is antiperspirant safe for daily use with hyperhidrosis?
If the first application is not enough, repeat during your next sleep or rest period, following the product instructions. After that, reapply when sweating returns.
Clinical-strength antiperspirant for hyperhidrosis
The DryDry Original Dab-on (35ml, €18.99) is the clinical-strength first-line OTC option for hyperhidrosis, designed to last up to 7 days per application; results vary by individual. Available across European markets through drydrystore.com.
DryDry ships to Germany, Poland, and across European markets.
Christopher Andersson is Co-founder and COO of DryDry, a Swedish-made clinical-strength antiperspirant brand for heavy sweating. With 20+ years of experience in the personal care industry, Christopher leads a brand that has sold over 10 million units across European markets since 2006.