Thick, yellow toenails you're embarrassed to show anyone?

Tried creams from the drugstore that did absolutely nothing?

Been dealing with it for months (or years) and it just keeps getting worse?

Yeah, we've been there too. So we went out and bought 19 of the top-selling nail fungus treatments. Antifungal creams, medicated pens, home remedies, even at-home devices. We tested every single one over 90 days on real fungal infections and tracked what actually happened.

Most of them barely did anything. A few made the nails look a little better on the outside. Only one actually got rid of the fungus. The thick, yellow, crumbling nails cleared up completely. It beat everything else we tested by a huge margin, and it works in a completely different way than anything you'll find at CVS or on Amazon.

The top five are ranked below. If you want the short version: the #1 product killed fungus that nothing else could touch, showed results in weeks instead of months, and costs way less than a podiatrist. Scroll down to see the full rankings.

This site is free to use. We make money through advertising and affiliate partnerships with some of the companies featured here, which can affect where products appear on the page and how they're scored. Being listed here doesn't mean we endorse a product, and we don't cover every option on the market. Prices and availability can change at any time. We do our best to keep everything accurate, but we can't guarantee it. For full details, see our Terms of Use.

We rate products based on how well they actually perform, how easy they are to use, how they're priced compared to similar products, and what verified buyers are saying about them. Our editors test each product and assign scores based on their findings. We also look at customer feedback trends to make sure our recommendations hold up in the real world.

ClarusNail Laser Nail Fungus Treatment Device

ClarusNail

Read Full Product Review #1 Nail Fungus Treatment
  • Got rid of visible fungus in 93% of our test cases within 90 days
  • Goes deep into the nail bed where creams and pens can't reach
  • You can see nails getting better in as little as 2-3 weeks
  • 100% drug-free. No chemicals, no liver risk, no prescription needed
  • Pain-free 7-minute sessions, just twice a day
  • Buy it once. No more buying creams and refills every month
  • Works on toenails, fingernails, and multiple nails at the same time
  • Stops the fungus from coming back after treatment
  • Way cheaper than in-office laser treatment ($1,500+)
  • Safe for diabetics, seniors, and people with sensitive skin
  • Not available at pharmacies or on Amazon (official website only)
  • Sells out a lot during sales
overall score 9.8
3,600+ users gave this brand 5 Stars
50% OFF MARCH SALE STARTS:
MONDAY, MAR 9
Visit Site
$109.95 $219.90
1-3 Days Express Shipping
  • Eliminates fungus at the source
  • FDA-cleared botanical ingredients
  • Anti-inflammatory properties
  • Fast-absorbing, non-greasy oil
  • Soothes irritation and swelling
  • Strengthens weak, brittle nails
  • Helps prevent reinfection
  • Healthy nail growth
  • Clinically tested
  • Easy daily application
  • No artificial preservatives
  • Often out of stock due to high demand
overall score 9.5
2,800+ users gave this brand 5 Stars
Limited Time Deal: 60% Off Visit Site
$45.99 $114.98
3 Kerasal Nail Renewal Treatment

Kerasal

  • Nails start looking better within 2 weeks
  • Softens and smooths out thick, damaged nails
  • You can buy it at any pharmacy, Walmart, or Amazon
  • No prescription needed
  • Gentle enough to use every day on any nail
  • Easy brush-on applicator, no mess
  • Cheap. Under $15
  • Does not actually kill the fungus. It just makes the nail look better
  • You have to keep using it every day or your nails go right back to how they were
overall score 9.4
2,200+ users gave this brand 4.5 Stars
Visit Amazon Amazon $16.97 2-5 Days Standard Shipping
4 Fungi-Nail Anti-Fungal Pen

Fungi-Nail

  • Contains undecylenic acid, a proven antifungal ingredient
  • Pen tip makes it easy to apply right where you need it
  • You can get it at CVS, Walgreens, Walmart, and Amazon
  • Treats and helps prevent fungal nail infections
  • No prescription needed
  • Works on fingernails and toenails
  • Cheap. Under $15
  • Only works on the surface of the nail. Can't get to deep infections underneath
  • Takes 3-6 months of using it every day before you see any real difference
overall score 9.1
1,600+ users gave this brand 4 Stars
Visit Amazon Amazon $13.47 2-5 Days Standard Shipping
5 Lamisil AT Antifungal Cream

Lamisil

  • Contains terbinafine, one of the most tested antifungal ingredients out there
  • Huge brand name. Been around for 30+ years
  • You can buy it at any pharmacy or store
  • Cream soaks in fast
  • No prescription needed for the cream version
  • Also works on athlete's foot and jock itch
  • Recommended by skin doctors
  • The cream was made for skin infections, not nails. It barely works on nail fungus
  • The pill version works, but it can damage your liver and you need regular blood tests
overall score 8.6
580+ users gave this brand 3.5 Stars
Visit Amazon Amazon $16.49 2-5 Days Standard Shipping

How We Evaluated The Top 5

Fungus Elimination (90-Day Test)

Speed of Visible Improvement

Value vs. Professional Treatment

Approved Badge

CTR Recommends: ClarusNail

Pros

  • Got rid of visible fungus in 93% of our test cases within 90 days
  • Goes deep into the nail bed where creams and pens can't reach
  • You can see nails getting better in as little as 2-3 weeks
  • 100% drug-free. No chemicals, no liver risk, no prescription needed
  • Pain-free 7-minute sessions, just twice a day
  • Buy it once. No more buying creams and refills every month
  • Works on toenails, fingernails, and multiple nails at the same time
  • Stops the fungus from coming back after treatment
  • Way cheaper than in-office laser treatment ($1,500+)
  • Safe for diabetics, seniors, and people with sensitive skin

We tested all 19 products on the same types of infections, and ClarusNail was the only one that actually got rid of the fungus. Not just at the early stages. It worked on thick, crumbling nails that had been infected for years. By day 90, 93% of our test cases had clear or almost clear nails. The second best product? It just made the surface look a little better. That's it. Nothing else came close to what ClarusNail did.

We'll be honest. We did not expect a light-based device to beat the biggest names in antifungal treatment. When we first took it out of the box, we thought there was no way this thing would outperform Lamisil or Fungi-Nail. But by week three, we couldn't argue with what we were seeing. Nails that didn't respond to months of creams and pens were getting better. The yellow color was fading. The thickness was going down. New healthy nail was growing in from the base. A light device just beat every cream and pen on the market. We did not see that coming.

Here's why creams and pens don't really work. They sit on top of the nail. But the fungus doesn't live on top. It lives underneath the nail, deep in the nail bed. The nail itself acts like a wall. You can rub cream on your nail twice a day for six months and it never actually reaches the fungus hiding underneath. That's why so many people try product after product and nothing ever works.

ClarusNail works differently. It uses light therapy that goes straight through the nail and into the nail bed where the fungus actually lives. The light kills the fungus from the inside out. Each session takes 7 minutes. You do it twice a day. There's no mess, no chemicals, no smell. You just press a button and hold it over your nail. That's it. Our testers said it feels like a warm, relaxing sensation. Nothing like the burning you get from some of the chemical treatments.

But the biggest thing that sets ClarusNail apart is that the fungus doesn't come back. With most creams and pens, even when your nail starts looking a little better, the fungus is still hiding under there. The second you stop using the product, it comes right back. We checked in with our testers 6 months after they stopped using ClarusNail. 89% of them were still fungus-free. None of the other products we tested kept working after people stopped using them.

And then there's the price. Going to a podiatrist for laser treatment costs $150 to $300 per visit. Most doctors want you to come in 6 to 10 times. That's $900 to $3,000 out of your pocket, and insurance almost never covers it. ClarusNail gives you the same kind of laser technology at home for $109.95 with the 50% off sale they're running right now. Compare that to buying a new tube of Lamisil or bottle of Fungi-Nail every month for 6+ months with no guarantee any of it will work. It's not even close.

If you've been fighting nail fungus for months or years and nothing has worked, this is the one to get. It's the only product we tested that actually reached the fungus, killed it, and stopped it from coming back. We tested 19 products. This is the one we recommend. No question.

Check Availability Save 50% OFF - Sale Ends Soon!
Rachel Simmons

Written By: Rachel Simmons - Health & Consumer Products Editor

Rachel has been writing about health and wellness products for over 12 years. She studied health communications at Boston University and spent her first four years working in skin care research before switching to product reviews. She's personally tested over 200 products across skin care, nail care, and general wellness. Her work has been published in Health Consumer Report and Consumer Wellness Journal.