Transform daily treatment from a chore into a simple routine — trusted by thousands and made with ingredients designed to keep your skin feeling clean, comfortable, and cared for.
Our formula includes 25% Undecylenic Acid and Tea Tree Oil to destroy fungus at the source.
Results often start within 1–2 weeks.
✨ 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.
😊 Clean, Simple, Precise
No spills, no harsh smells, and no hassle. Just twist, apply, and go—twice a day for maximum results.
If you don't see results in 90 days, we'll refund you
Step 1: Document your progress
Take a clear photo of your nails before starting treatment, then repeat every month. You’ll notice gradual improvements — less discoloration, smoother texture, and new healthy growth from the base.
Step 2: Apply daily
Use the pen twice a day, morning and night. Apply directly to the affected nail and surrounding skin. Consistency is crucial — skipping days can let the fungus return beneath the nail surface.
Step 3: Stay consistent for 90 days
Commit to at least 90 days of daily use for best results. Most users see visible improvement within 4–6 weeks, while full nail renewal typically takes 3–6 months, depending on nail growth speed.
*When paired with consistent use.
CLINQ LABS™ Reviews
⭐ Verified Customer Reviews
4.9
★★★★★
Based on 2,000+ Reviews
5 ★
88%
4 ★
8%
3 ★
3%
2 ★
1%
1 ★
0%
✓
92% report clearer nails
✓
89% would recommend
✓
All reviews verified
SK
Sarah K.
Verified Purchase
· Jan 2026
★★★★★
"3 years of fungus gone in 8 weeks. I've tried EVERYTHING."
I had thick, yellow toenails for over 3 years. Tried every cream, spray, and prescription out there — nothing worked. Found CLINQ LABS, figured I had nothing to lose with the 90-day guarantee. By week 4 clear nail was growing from the base. By week 8 the yellow was completely gone. Wearing sandals again for the first time in years.
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MT
Michael T.
Verified Purchase
· Feb 2026
★★★★★
"Skeptic turned believer — the 25% formula is actually different"
I've been burned by so many "maximum strength" products that were just 1% stuff in different packaging. The 25% undecylenic acid here is genuinely different. The pen applicator also gets under the nail edge where fungus actually lives — something creams can never do. Nails noticeably clearer after 5 weeks. Ordered a second pen already.
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NR
Nicole R.
Verified Purchase
· Mar 2026
★★★★★
"After 6 months of hiding my feet, I can finally wear sandals again"
Pool parties, beach trips, even flip flops to the grocery store — I avoided all of it. The precision tip gets right under the nail edge which makes all the difference. No mess, works where everything else failed. Attaching my progress photos because I know how skeptical people are.
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RP
Robert P.
Verified Purchase
· Jan 2026
★★★★★
"My gym locker room embarrassment is finally over"
Used to change shoes in a bathroom stall to avoid anyone seeing my feet at the gym. Used this twice a day for 8 weeks. The nail stopped crumbling completely by week 2, discoloration started fading by week 4. Back to the locker room like a normal person. Small thing, but it matters more than I can explain.
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CS
Catherine S.
Verified Purchase
· Feb 2026
★★★★★
"The thick, yellow nails are GONE. Can't believe something this simple worked."
My big toenail was so thick I thought it was permanent damage. My podiatrist wanted to remove the nail entirely — tried this first as a last resort. Discoloration started fading around week 3. At week 10 my nail looks almost completely normal. Attaching before/after because I know how skeptical I was.
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DW
David W.
Verified Purchase
· Dec 2025
★★★★★
"25 years of nail fungus. This is the only thing that ever worked."
I'm 57 years old and have had fungal nails since my 30s. Tried oral medications that made me sick, expensive laser treatments, every OTC product on the market. Was genuinely resigned to just having ugly nails forever. My daughter bought me this as a gift. At 6 weeks the nail texture started smoothing. At 3 months I have the clearest nails in decades. Ordered 4 more pens.
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MJ
Marcus J.
Verified Purchase
· Mar 2026
★★★★★
"Works on athlete's foot too — itching stopped in 3 days"
I'm a runner and deal with athlete's foot constantly from gym showers. Bought this for my one discolored toenail but started using it on the skin around my toes too. The itching between my toes that I'd had for months stopped within 3 days. Perfect for my gym bag — no spills, precision tip.
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TM
Tina M.
Verified Purchase
· Nov 2025
★★★★★
"Finally something that travels well AND works"
As someone who travels constantly for work, the pen format is perfect. Fits in my toiletry bag, no leaking, no mess. I've had liquid treatments make a disaster of my luggage. Use this every morning and night — it's become as routine as brushing teeth. Nails are dramatically clearer. My travel companions asked what I was using.
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AL
Amanda L.
Verified Purchase
· Feb 2026
★★★★★
"My wedding is next month and my nails finally look normal"
Got fungus on my big toenail right after booking my wedding venue. Was panicking about open-toe heels. Started using this 3 months before. By 6 weeks the yellow was mostly gone and healthy nail was growing in. I'm going to wear my dream shoes. Can't overstate how much this reduced my stress leading up to the day.
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JB
James B.
Verified Purchase
· Oct 2025
★★★★★
"Doctor recommended creams failed. This didn't."
My doctor prescribed a prescription-strength cream twice. Both times it came back within weeks. Wasn't willing to do the oral medication route after reading the side effects. CLINQ was a last resort before going that route. 10 weeks in and the fungus hasn't returned. Something about the pen delivery method actually getting under the nail makes the real difference.
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LB
Linda B.
Verified Purchase
· Mar 2026
★★★★★
"Bought for my husband, now we both use it — incredible results"
My husband had severe nail fungus on 3 toes. He was skeptical and used it inconsistently at first. Convinced him to commit for 90 days. By month 2 the improvement was so obvious even he couldn't deny it. I started using it on a small patch I noticed on my own nail and cleared it up within weeks. We keep two pens in the house now.
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PH
Patricia H.
Verified Purchase
· Sep 2025
★★★★★
"I've been hiding my feet for 10 years. Not anymore."
Ten years of wearing closed-toe shoes in summer. Ten years of avoiding pedicures. Tried everything doctors suggested. Started CLINQ and within 6 weeks noticed clear nail growing in from the root. At 4 months I genuinely have normal-looking toenails. I cried when I put on sandals for the first time this summer. Don't wait as long as I did.
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GF
Gary F.
Verified Purchase
· Jan 2026
★★★★★
"Nail was literally separating from the bed. Fixed it."
My big toenail had started lifting from the nail bed — that's how bad the fungus had gotten. Was genuinely worried I'd lose the nail. Used this pen religiously twice a day. By week 3 the lifting stopped progressing. By week 8 the nail was reattaching and the yellow was fading. I couldn't believe something topical could fix this. Photos speak for themselves.
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KO
Karen O.
Verified Purchase
· Aug 2025
★★★★★
"Used it for athlete's foot between toes — cleared in 2 weeks"
Picked this up mainly for my husband's toenail fungus, but I had a nagging athlete's foot situation between two toes that nothing was clearing. Started applying the pen there twice a day. Two weeks later — completely gone. Skin smooth and no more itching. Now I use it preventively after every swim. The precision tip is perfect for between toes.
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BN
Brian N.
Verified Purchase
· Feb 2026
★★★★★
"Construction worker here — this survived real conditions"
I'm on my feet 10 hours a day in work boots. Developed toenail fungus years ago and could never get rid of it — boots are a breeding ground. Applied this in the morning before boots and again at night. Consistent for 3 months. My nails are the clearest they've been since before I started this job. The pen survived my work bag no problem.
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EM
Elena M.
Verified Purchase
· Jul 2025
★★★★★
"Stopped spreading to other nails within weeks"
The fungus started on one nail and I could see it slowly creeping to the nail next to it. That was terrifying. Started using CLINQ immediately on both nails. Within 3 weeks the spread had stopped completely. By 2 months the original nail was visibly clearing. The fact that it stopped the spread so fast is what impressed me most.
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JR
Jennifer R.
Verified Purchase
· Mar 2026
★★★★★
"My pedicurist couldn't believe the transformation"
My nail salon lady has seen my toes for years and always commented on how bad the fungus was. Went back after 3 months on CLINQ and she actually stopped and asked what I had done. Said my nails looked healthier than she'd ever seen them. That was the moment I knew the product had genuinely worked. Sharing before and after here.
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TC
Thomas C.
Verified Purchase
· Jun 2025
★★★★★
"My partner noticed before I did — that's how good the results were"
I'd been using this for about 6 weeks and was still not sure if it was working. Then my partner pointed at my foot and said "your nail looks so much better, did you do something?" I hadn't even noticed the gradual improvement. Looked closely and they were right — the colour was dramatically different. Sometimes you need a second set of eyes.
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SW
Sandra W.
Verified Purchase
· Jan 2026
★★★★★
"Takes patience but it does work — just not overnight"
Giving 4 stars because I think expectations matter here. If you expect results in 2 weeks you'll be disappointed. But if you stick with it — really commit twice a day for 3 months — the results are real and visible. I'm at month 3 and my nails look better than they have in years. The product does what it says, you just have to trust the process.
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VK
Victor K.
Verified Purchase
· Feb 2026
★★★★★
"Documented my entire 5-month journey — the proof is in the photos"
I took a photo every 3 weeks to track progress. Sharing all 5 milestones here. The change is gradual but undeniable — you can see the clear nail pushing the damaged portion out week by week. By month 4 the infected portion was almost entirely grown out. Month 5 and I'm basically back to normal nails. If you're skeptical, look at these photos.
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RD
Rachel D.
Verified Purchase
· Mar 2026
★★★★★
"As a nurse I was skeptical — the active ingredient is legit"
I work in healthcare and I'm suspicious of OTC products making big claims. But 25% undecylenic acid is actually a recognized antifungal at concentrations that actually do something. Most drugstore products are 1-2%. I tried it on my own stubborn toenail after years of professional-grade creams failing. 8 weeks in and it's visibly clearing.
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AV
Anthony V.
Verified Purchase
· May 2025
★★★★★
"Beach vacation was actually enjoyable this year"
Every beach vacation for the past 4 years I spent the whole time self-conscious about my feet. This year I started CLINQ 3 months before our trip to Florida. By the time we got there my nails were dramatically clearer. I actually went barefoot on the beach for the first time in years. My wife said I seemed like a different, more relaxed version of myself.
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MG
Margaret G.
Verified Purchase
· Feb 2026
★★★★★
"Got my life back after 15 years of hiding"
Fifteen years. That's how long I wore closed shoes in summer, avoided swimming pools, made excuses not to get pedicures. I'd given up. My granddaughter asked me why I never wore sandals like other grandmas. That question made me try one more thing — CLINQ. Four months later I bought sandals for the first time in 15 years. Best purchase I've ever made.
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CH
Chris H.
Verified Purchase
· Mar 2025
★★★★★
"Good product, just need to be consistent with it"
Dropped a star not because the product doesn't work — it definitely does — but because I skipped a week and the fungus started coming back. When I'm consistent twice a day it's clearly working. The moment I slack off I feel the difference. The applicator is great and genuinely easy to use. Just don't assume you can stop early.
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SP
Steve P.
Verified Purchase
· Jan 2026
★★★★★
"Recommended to my entire men's running club"
Runners and toenail fungus go together unfortunately — the warm, damp environment of running shoes is a perfect breeding ground. Three of my running club friends had the same problem. I tried CLINQ first. Results were so obvious that all three bought it on my recommendation. Two have already reported back with positive results. This is our group's go-to now.
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FW
Fiona W.
Verified Purchase
· Mar 2026
★★★★★
"The 90-day guarantee made me try it. The results made me love it."
I'd been burned by so many products I was only willing to try this because of the money-back guarantee. Ordered it thinking I'd return it. By the 30-day mark I was seeing enough to keep going. By 90 days I had no interest in returning anything — I was ordering a second pen. The guarantee removes the risk, and the product removes the fungus.
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OA
Oliver A.
Verified Purchase
· Feb 2026
★★★★★
"Used it on both toenail fungus and athlete's foot — cleared both"
Had two problems at once — toenail fungus on my big toe and persistent athlete's foot on my other foot. Used the pen on both. The athlete's foot cleared first, about 2 weeks. The toenail took longer — about 10 weeks — but it cleared completely. One product solving two problems is exactly what I needed. Will keep a pen in the house permanently.
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