🔥Enjoy 30% OFF for adding the second one - Antifungal Pen
🔥Enjoy 30% OFF for adding the second one - Antifungal Pen
Fungus lives under the nail and around the nail bed — where creams can’t reach. This pen delivers 25% Undecylenic Acid right where it matters.
🦠 Targets fungus beneath the nail — where creams can’t reach
🚫 Stops yellowing, thickening & crumbling at the source
🖊️ Precision pen application — fast, clean, targeted
🛡️ 180-day money-back guarantee — risk-free to try
*Most customers see improvement in 2–6 weeks ; full healthy nail regrowth can take longer.
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"The thick, yellow nails are GONE. I can't believe something so simple actually worked."
"After 6 months of hiding my feet, I can finally wear sandals again. This stuff actually works!"
"3 years of fungus gone in 8 weeks. I've tried EVERYTHING. This is the only thing that worked."
Description
Description
Experience targeted nail health support with GFOUK™ Antifungal Pen, formulated to address nail fungus, discoloration, thickening, brittleness, and nail bed irritation at the source.
Powered by a concentrated antifungal blend, this precision formula helps reduce fungal buildup beneath the nail and around the cuticle — areas where fungus commonly starts and spreads. By supporting a healthier nail environment, it promotes clearer-looking nails and improved nail texture over time.
The easy-to-use pen format allows for direct, mess-free application exactly where it’s needed, helping the active ingredients penetrate the nail and surrounding skin more effectively than traditional creams.
With consistent daily use, users report visibly clearer nails, less thickening and crumbling, reduced discomfort, and renewed confidence showing their hands and feet.
- No Harsh Chemicals
- No Fillers or Artificial Dyes
- Lightweight, Non-Greasy Formula
- Safe for Daily Use
How to use
How to use
Step 1: Clean and dry the affected nail thoroughly. Trim the nail if needed to allow better access to the nail surface.
Step 2: Twist the pen and apply a thin layer of the solution directly onto the nail, nail edges, and cuticle area.
Step 3: Allow the formula to absorb completely. Do not rinse. Let it dry for a few minutes before putting on socks or shoes.
Use twice daily for best results. Many users begin noticing improved nail clarity and texture within weeks, with continued improvement over time.
Study Results
Study Results
Results after 30 days of use
Reported visibly clearer nail appearance: +92%
Noticed reduced yellowing and discoloration: +89%
Experienced less nail thickening and crumbling: +87%
Reported improved comfort around the nail and cuticle: +90%
* Based on an independent customer survey. Individual results may vary.
Key Ingredients
Key Ingredients
Active Ingredient
Undecylenic Acid (25%)
A clinically studied antifungal ingredient commonly used in OTC treatments. Helps inhibit fungal growth on the skin and nails by creating an environment where fungus cannot thrive. Targets nail fungus at its source to support clearer, healthier-looking nails over time.
Inactive Ingredients (Supportive & Conditioning Blend)
Aloe Vera Extract, Sweet Almond Oil, Jojoba Oil, Tea Tree Oil, Manuka Oil, Clove Bud Oil, Lavender Oil, Oregano Oil, Peppermint Oil, Propolis Extract, Tocopheryl Acetate (Vitamin E)
Formulation Standards
- 25% Undecylenic Acid (OTC Antifungal)
- OTC Approved Active Ingredient
- GMP Certified Manufacturing
- Clinically Studied Active
- No Water Fillers
- Designed for Daily Topical Use
Shipping & Delivery
Shipping & Delivery
All orders are processed and shipped within 1–2 business days (Monday–Friday).
Your order is sent via our express courier service, which includes door-to-door tracking for full visibility.
Average delivery time: 5–10 business days, depending on location.
Why Nail Fungus Symptoms Are All Connected
If you’re dealing with more than one of these issues — yellow discoloration, thickened nails, crumbling edges, nail lifting, or irritation around the nail — your body is signaling an underlying fungal imbalance that surface treatments often fail to address.
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Edges begin to crack, crumble, or break even with light pressure.
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Your nails start turning yellow or cloudy, no matter how clean or trimmed they are.
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Your nails gradually thicken and become harder to cut or manage.
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Your nail starts lifting or separating from the nail bed.
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You avoid showing your hands or feet because of how your nails look.
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The infection slowly spreads to nearby nails over time.
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You treat it temporarily, but the fungus keeps coming back again.
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You’re treating the symptoms — but the underlying fungal problem remains.
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Skin around the nail becomes irritated, tender, or inflamed.
The Missing Piece:
Targeted antifungal care — addressing fungal growth beneath the nail that drives discoloration, thickening, brittleness, irritation, and recurrence.
Treating the surface alone isn’t a real solution.
By targeting the under-nail environment where fungus thrives, you support healthier nail regrowth over time — so your nails can recover naturally instead of cycling through temporary fixes.
Restore Clear, Healthy Nails — Fast
Say goodbye to thick, discolored, brittle toenails.
The GFOUK™ Antifungal Pen uses a dermatologist-trusted formula that targets fungus at the root for visible results in weeks.
No foot soaks, no pills — just fast, convenient healing.
Precision Root Treatment
Precision antifungal pen with 25% Undecylenic Acid – kills fungus at the source for strong, beautiful nails.
How To Use
Start with clean, dry nails.
Twist the bottom of the pen to dispense the serum, then apply it directly onto the nail surface and surrounding skin.
For best results, use once in the morning and once before bed daily.
Why People Love Our Antifungal Pen
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★★★★★
🦠 Kills Fungus Fast
Our formula includes 25% Undecylenic Acid and Tea Tree Oil to destroy fungus at the source. Results often start within 1–2 weeks.
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★★★★★
✨ Restores Nail Clarity & Strength
Fades yellow discoloration, smooths brittle texture, and promotes healthy new growth— so you can wear open-toe shoes again with confidence.
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★★★★★
😊 Clean, Simple, Precise
No spills, no harsh smells, and no hassle. Just twist, apply, and go—twice a day for maximum results.
Frequently Asked Questions
How long until I see improvements in my skin?
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?
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.
What’s the standard shipping time?
What’s the standard shipping time?
Orders usually ship within 24-48 hours, and delivery typically takes 5–10 business days.
What benefits can I expect?
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 it suitable for men and women?
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 if I stop using Antifungal Pen?
What if I stop using Antifungal Pen?
For best results, it's important to use the product as directed for the full recommended treatment period - even if symptoms improve earlier. Stopping too soon may reduce the effectiveness of the treatment.
180-days money-back guarantee
We offer a 180-days money-back guarantee,allowing you to try our product with complete peace ofmind.If,for any reason,you are not satisfied with your purchase within 180 days,simply contact usand we'll issue a full refund,no questions asked.