Lonavie™ Antifungal Pen with 25% Undecylenic Acid

Rated as #1 Antifungal Pen

  • Soothes While It Heals
  • Targets Fungus at the Source
  • Precision Tip, Zero Mess
  • Quick-Drying Formula
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That's how confident we are in your results. But if you're not thrilled, send it back and we'll refund your purchase.

Emma K.

Used it for two weeks and the difference is unreal. Small, easy to carry, and actually works. 100% would recommend!

Lonavie™ Antifungal Pen with 25% Undecylenic Acid
Excellent 4.9 | 1,422

Lonavie™ Antifungal Pen with 25% Undecylenic Acid

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Real People, Real Results

Treatment That Works Around Your Life.

Treatment That Works Around Your Life. lonavie™ combines clinical-strength ingredients with a smart, effortless design — because effective treatment shouldn't slow you down.

Treatment That Works Around Your Life.

Treatment That Works Around Your Life. lonavie™ combines clinical-strength ingredients with a smart, effortless design — because effective treatment shouldn't slow you down.

Precision tip for targeted application

Apply the formula exactly where it's needed — no more spreading product across healthy skin. The fine-tip applicator reaches even the tightest spots, including between toes and around the nail edges, ensuring every drop goes directly to the source of the infection.

Quick-drying formula for mess-free use

The lightweight formula absorbs into the skin within seconds, leaving no greasy residue, no sticky feeling, and no stains on your socks or shoes. Apply it in the morning and go about your day without a second thought.

Compact design for easy portability

Slim, lightweight, and discreet — the lonavie™ pen fits effortlessly into your bag, gym kit, or pocket. Whether you're at home, at the gym, or traveling, consistent treatment has never been easier to maintain.

No rubbing required – just apply and go

Unlike traditional creams and ointments, lonavia™ requires zero rubbing or massaging. Simply press the tip to the affected area, apply a thin layer, and you're done. Less contact means less irritation — especially important for sensitive or already inflamed skin.

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Why Smart Shoppers Choose lonavie™

Discover how our precision-tip formula sets a new standard in antifungal treatment.

Why Smart Shoppers Choose lonavie™

Discover how our precision-tip formula sets a new standard in antifungal treatment.

lonavie™ Pen
Regular Creams
Precision Tip Applicator
No Rubbing Required
Quick-Drying Formula
25% Undecylenic Acid (FDA-Recognized)
Botanical Blend (Tea Tree, Oregano, Manuka)
Safe for Sensitive Skin
Compact & Travel-Friendly
30-Day Money-Back Guarantee

Targeted Formula With Clinically Supported Ingredients

Our antifungal pen containts 25% Undecylenic Acid, an FDA monograph-recongized active ingredient for the treatment of most athlete's foot (tinea pedis). The formula also includes a blend of botanical oils - like Tea TreeOreganoManukaClove Bud, and Propolis - chosen to help moisturize and support skin comfort during treatment.

Frequently Asked Questions

How long until I see improvements in my skin? +

When used as directed on the skin around the nails, many customers report reilef from symptoms like itching and irritation within the first few weeks. Individual experiences may vary.

How much product do I get in each pen? +

One pen can be used to treat multiple affected areas of the skin, including the skin around multiple toes or fingers, depending on usage frequency.

Can it prevent further fungal infections? +

Lonavie's formula is designed to treat common fungal skin infections like athlete's foot and ringworm. While it is not intended for prevention, maintaining proper hygeine and following usage directions can help support overall skin health.

What’s the standard shipping time? +

Orders usually ship within 24-48 hours, and delivery typically takes 4–15 business days (domestic).

What benefits can I expect? +

  • Relief from itching, burning, and irritation caused by athlete's foot and ringworm
  • Support for skin comfort and hygeine around affected areas
  • Easy, targeted application for consistent use
  • Includes moisturizing botanicals to help maintain soft, smooth skin
Is Lonavie chemical-free? +

We use a monograph-compliant antifungal active - 25% Undecylenic Acid - combined with skin-conditioning botanical oils. Our formula contains no parabens, artifical dyes, or synthetic fragrances.

Is it suitable for use around nails? +

Yes. Our formula is intended for use on the skin around the nails and between the toes, as directed. It is not intended to treat fungal infections of the nail itself.

Can I use Lunavia if I have a sensitive skin type? +

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 it suitable for men and women? +

Yes. Our antifungal formula is designed for adult use and may be used by both men and women to treat common fungal infections like athlete's foot, ringworm, and jock itch. As with any OTC drug, follow label directions and consult a healthcare provider if you have sensitive skin or underlying conditions.

What is the ingredient list? +

Undecylenic Acid (25%), Tea Tree Oil, Oregano Oil, Manuka Oil, Clove Bud Oil, Propolis Extract, Tocopheryl Acetate (Vitamin E), plus other supporting ingredients for optimal penetration.