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1 pack
1-month treatment
3 pack
90- day treatment

3 Pouch
48 sticks
One-time purchase
€17,25
($64/ Pen)
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€15,25
($54 / Pen)
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Formulated with 25% Undecylenic acid, our Antifungal Pen is designed to treat and relieve symptoms of athlete's foot, ringworm, and jock itch. This targeted treatment helps relieve itching, burning, and irritation - no perscription required.
Targeted Formula With Clinically Supported Ingredients
Our antifungal pen contains 25% Undecylenic Acid, an FDA-approved active ingredient effective in treating most cases of athlete's foot (tinea pedis).
The formula is also enriched with a blend of botanical oils, including Tea Tree, Oregano, Manuka, Clove Bud, and Propolis, selected to help moisturize and enhance skin comfort throughout the treatment.
*after multiple applications
Mess-free and simple to apply.
Eliminate spills and complicated applications with our antifungal pen. Experience convenience with every use:
Precision tip for accurate application
No rubbing needed – just apply and go
Fast-drying formula for a clean, mess-free experience
Compact and portable design for on-the-go use
Frequently Asked Questions
How soon will I notice improvements in my skin?
When applied as instructed to the skin around the nails, many users experience relief from symptoms such as itching and irritation within the first few weeks. However, results may vary from person to person.
What is the amount of product in each applicator?
A single pen can be used to treat several affected areas of the skin, including around multiple toes or fingers, depending on how often it's applied.
Does this product help prevent future fungal infections?
Loop's formula is created to address common fungal skin infections such as athlete's foot and ringworm. Although it is not specifically designed for prevention, practicing good hygiene and following the recommended usage instructions can help promote overall skin health.
What is the estimated delivery time for standard shipping?
Orders usually ship within 24-48 hours, and delivery typically takes 3–5 business days (domestic).
What outcomes should I anticipate from using this treatment?
Provides relief from itching, burning, and irritation associated with athlete's foot and ringworm
Promotes skin comfort and hygiene around affected areas
Convenient, precise application for regular use
Contains moisturizing botanicals to keep skin soft and smooth
How frequently should I apply the product for optimal results?
We recommend applying as directed on the label. Consistent use is important for full symptom relief and effective treatment of conditions like athlete's foot and ringworm.
Is it safe to use around the nails?
Yes, our formula is designed for use on the skin around the nails and between the toes, as instructed. However, it is not meant to treat fungal infections of the nails themselves.
Can individuals with sensitive skin use Loop?
Many user with sensitive skin tolerate the formula well, as it includes soothing botanical ingredients. However, because the product contains a high concentration of Undecylenic Acid (an active antifungal drug),we recommend performing a patch test before full use - especially if you have known sensitivities.
Is this product effective for both men and women?
Yes, our antifungal formula is designed for adults and can be used by both men and women to treat common fungal infections such as athlete's foot, ringworm, and jock itch. As with any over-the-counter medication, please follow the instructions on the label and consult a healthcare provider if you have sensitive skin or any underlying health conditions.
Can I incorporate Loop into my regular foot-care routine?
Yes. Simply add Loops pen application after washing or soaking your feet. It complements most foot-care routines.