What’s Hiding Under That Pretty Polish?
Can Nail Polish Really Cause Toenail Fungus?
Toenail fungus is more than just a cosmetic concern—it’s a common foot health issue that can become painful and stubborn. If you’ve ever wondered, “does wearing nail polish cause toenail fungus?”, you’re not alone. While nail polish itself isn’t the direct cause, improper nail hygiene and constant polish use can trap moisture, creating the perfect environment for fungus to grow. Understanding the link between nail care habits and fungal infections is essential for prevention and healthy feet.
Does Wearing Nail Polish Cause Toenail Fungus? 5 Facts You Must Know
Wearing nail polish is a popular way to keep your toes looking polished and pretty—but can it come at a cost to your foot health? If you’ve ever asked, “Does wearing nail polish cause toenail fungus?”, the answer is more complex than a simple yes or no.
Here are 5 essential facts you need to know:
1. Nail Polish Doesn’t Cause Fungus—But It Can Make It Worse
While polish itself doesn’t cause fungal infections, it can trap moisture and block airflow. When you layer polish on toenails and leave it for weeks, especially without proper foot hygiene, you create a dark, moist environment—ideal for fungal growth.
2. Discoloration Isn’t Always Just Staining
If your toenails look yellow or brown after removing polish, it’s easy to assume it’s just pigment from the product. However, this discoloration can also be an early sign of a fungal infection. If the nail is also thickening, crumbling, or separating from the bed, it’s time to consult a podiatrist.
3. Regular Pedicures May Spread Infection
Getting your nails done in a salon that doesn’t properly sterilize tools or foot baths increases your risk of catching fungal infections from others. Always ensure your salon follows strict hygiene protocols—or better yet, opt for a medical pedicure done by foot care professionals like Balance Foot & Ankle Specialist.
4. Breathable Polishes Are a Safer Option
Some brands now offer breathable or antifungal nail polish that allows oxygen and moisture to pass through. These can reduce your chances of developing toenail fungus while still letting you enjoy decorative nails.
5. Know When to Take a Break from Polish
Giving your nails a break between polish applications is key to keeping them healthy. Try going polish-free for a few days each week to allow your nails to recover and prevent any hidden infections from worsening.
If you suspect you have a toenail issue or want a safe way to maintain healthy, beautiful nails, the team at Balance Foot & Ankle Specialist is here to help with expert care and treatment options.
Toenail Pain (Toenail Fungus, Ingrown Toenails, Discolored Toenails)
rotect Your Nails the Right Way — Book a Medical Pedicure
If you frequently wear polish, especially on your toes, regular podiatric care is crucial. At Balance Foot & Ankle Specialist in Michigan, we offer safe, hygienic medical pedicures designed to prevent fungus and restore nail health. Schedule your appointment today and give your feet the professional care they deserve.
Does Wearing Nail Polish Cause Toenail Fungus? Best Treatment Guide
Does wearing nail polish cause toenail fungus? 90% of the time, NO! This is dehydration from acetone. Please find out the SECRET to fixing it fast!
Look:
- Yellow & green toenail fungus can be improved with a few simple treatment changes.
- We are foot doctors & we see this problem get better almost every day.
- The goal is to solve this problem without medication or surgery if at all possible.
So, let’s GO!
Can You Treat Toenail Fungus With Nail Polish on Treatment Video
Does nail polish cause toenail fungus?
- It can, but this is not the most common cause of white toenails.
- Consider dehydrated toenails and toenail fungus.

White Toenail Picture Gallery
Look:
- These photos are of dehydrated superficial nail keratin granulations vs. other toenail conditions.
- Keratin granulations are white chalky appearing dehydration.
- It is possible that some toenail fungus could be mixed in with the keratin granulations.
- It is also possible to have superficial white onychomycosis.
Pictures of Keratin Buildup Under Toenails
Click on pictures for full size & descriptions:
Does Wearing Nail Polish Cause Toenail Fungus?
Yes, but that’s probably not what you have!
- Nail polish can cause toenail fungus by dehydrating the toenail and causing nail damage.
- The fungus can then invade through the small cracks and get under your toenail.
- But if your toenails are white, you probably have a condition known as keratin granulations!
Quick Home Treatment Overview for Damaged or Fungus Toenails From Toenail Polish:
- Make sure to read the rest of our guide to understand what is causing your toenail fungus.
- But these are researched and recommended products that you can’t go wrong with.
- These will start getting your toenails looking better pretty quickly!











Are Your Toenails White, Yellow, or Black?
1. White Toenails: Keratin Granulations.
The #1 cause of discolored nails after removing your toenail polish is a white chalky-like substance called keratin granulations.
- These occur because nail polish has harmful chemicals in it, like formaldehyde and toluene.
- Nail polish remover has acetone within it.
- There is a way to correct this by remoisturizing your nails:
- White toenails are usually just due to the dehydration of your toenails.
- The nail plate is made up of a substance called keratin.
- When dehydrated, keratin becomes white keratin granulations.
- Read below for the complete guide to keratin granulations!

Frequently asked questions about toenail polish damage:
Can I Keep Using Toenail Polish?
Yes, you can!
- Just be aware that it will continue to dry out your nails.
- You can wear it less frequently, or you can try treating your nails before polishing them again.
- There are even brands of toenail polish that will not dehydrate your nails.
- Trust me. These brands are very well promoted!
How do I know for sure that this is not toenail fungus?
- My recommendation: treat it like keratin granulations.
- If the treatment does not make it better after 2 weeks, it can still be toenail fungus.
- Don’t worry. 2 weeks will not put your toenail fungus in any danger.
- If it is a superficial toenail fungus, it should be very easily curable anyway.
- If it seems like toenail fungus or yellow, head to #3: toenail fungus.
2) White Marks On Toenails: Leukonychia.

White spots on the toenails are due to a condition known as leukonychia
How do I know for sure that this is not toenail fungus?
- My recommendation: treat it like keratin granulations.
- If the treatment does not make it better after 2 weeks, it can still be toenail fungus.
- Don’t worry. 2 weeks will not put your toenail fungus in any danger.
- If it is a superficial toenail fungus, it should be very easily curable anyway.
- If it seems like toenail fungus or yellow, head to #3: toenail fungus.
3) Yellow Thick Toenails: Toenail Fungus.

The second most common cause of discolored toenails.
- This type of superficial white onychomycosis is not as serious as most nail fungus; this type is very easily cured with a topical cream that you can put on your nails.
- If you want to use toenail polish, be more worried about dry nails and rehydrate them and not prevent fungus.
Is the toenail fungus dangerous?
- The toenail fungus should be very curable with proper treatment.
- Superficial white onychomycosis is very easily treatable with antifungal medication.
- It is not the type of fungus that takes root deep under your toenail.
4)Black, Red, or Blue Toenail: Subungual Hematoma.

Jogger’s toe is essentially just an “overuse toe.”
- The trick with this one is it sneaks up on people without any pain!
- Be aware that you can still have bleeding underneath your toenail, and it doesn’t have to be extremely painful.
- For example, I just saw a woman who had a scary black toenail without any cause.
- But the more I talked to her. I realized she bought new shoes and started Zumba classes.
- She was exercising more, had small shoes, and was not suffering from any pain!
Even if there is no pain, light micro-trauma from walking or running could have caused you to develop little black spots underneath your toenails resulting from light bleeding.
- Unless there is pain, this is usually very harmless, and it should not be something that you worry about.
- Over time the nail will grow out, and the black spot will disappear unless you continue irritating it.
For more on Does Wearing Nail Polish Cause Toenail Fungus?
Toenail Fungus Home Treatment:
- These are our favorite products to treat toenail fungus at home.
- It is difficult to properly diagnose any health problem such as toenail fungus with 100% certainty. So see your podiatrist and make sure you are not missing anything!
- Also, many of these products are considered beauty products more so than health products. Just be aware that they are not always FDA evaluated or approved in any way.
How to fix toenail fungus:
- There are many different types of toenail damage.
- In our experience, about easily 50% or more is related to toenail fungus.
- The key to toenail fungus is to trim it as much as possible and file that nail down vertically and length-wise.
- If you can do that, you have to make sure you can kill fungus the rest of the way with creams and topical medication.
- The best way to do that is to soak exfoliate the affected toenail skin. So, foot soaks can be a strong anti-fungus solution.
- At the same time, you have to apply anti-fungal medication such as these medications evaluated here or the toenail repair pens.










Recommended foot fungus products:
- It is also vital to fix your foot fungus.
- Athlete’s feet can be beneficial to remove from the foot because if left unchecked, they can quickly spread back to the toenails even if they are fixed.
- Even if you cure your toenail fungus, keep your toenails trimmed in healthy: your foot fungus can spread back into toenails.
- So make sure you treat your foot fungus, as well as your toenail fungus.








Best Toenail Fungus Clippers & Files:
- You have to be careful using at home, and definitely be safe and don’t use these if you have dangerous health conditions.
- It is important to see a podiatrist for foot evaluation and care if you have continued health care issues or problems with your feet.
- These are some great value heavy-duty clippers and sets.
- The key is to cut straight across and file the nail down from the top to keep it from impinging in the corners.
- It is also important to make sure all dead, dry skin is removed surrounding the foot.
- This is where you should really see your podiatrist if you have any concerns or are worried about cutting or hurting yourself.
- This is something covered, so don’t take chances with your health!






Best Toenail Fungus Polish and Remover:
- There is some great toenail fungus polish options and polish removal options.
- There are no acetone-based toenail polish removers, they don’t dry as quickly, but they are less like a dehydrator toenail.
- This also applies to your fingernails and hands.
- The benefits of using these non-toxic toenail polishes are that they are filled with non-fungal options such as tea tree oil, preventing toenail fungus.
- These can also work well for the fingernails.
- So great combo is to use one of these healthier toenail paint options, as well as a non-acetone-based toenail polish remover.






Best Shoes For Toenail Injuries:
- The key to prevent toenail ripping and lifting is to have good supportive shoes.
- If you have a good supportive shoe that keeps pressure off your toes in your toenails, there will be no lifting and cracking to allow bacteria and fungus to get in.
- This almost seems counter-intuitive, but when people make a switch to perfect supportive shoes that fit properly, their toenail problems almost always get better over the next few months or a year.
- Your current nail is already likely destroyed, especially with joggers toe, but let the new nail growing healthy without new damage.
- Click the following link for our most recommended shoes. Try to focus on shoes with mesh and room around the big toe and also the smaller toes.
Best Antifungal Moisture Wicking Socks:
- These are some great options for moisture-wicking sucks.
- The more you can wick moisture from your foot, the less chance there is that toenail fungus, and athlete’s foot can survive.
- We tried to focus on budget value stocks that are not too expensive.
- Sure there are better stocks out there, but these are great socks for a great price for most people.
- If you have diabetes, focus on getting yourself some diabetic socks.
Best woman’s antifungal socks:








Best men’s antifungal socks:




Toenail Pain (Toenail Fungus, Ingrown Toenails, Discolored Toenails)
FAQs About Nail Polish and Toenail Fungus
Not directly, but polish can trap moisture and weaken nails, increasing fungal risk—especially if left on for too long.
It’s best to avoid polish while treating fungus. Covering infected nails may worsen the condition.
Every 1–2 weeks. Letting your nails “breathe” helps prevent moisture buildup and infections.
Look for breathable or water-permeable polishes, and avoid acrylics or gels that trap moisture.
Only a podiatrist can confirm this with proper testing. Visit Balance Foot & Ankle Specialist for a professional diagnosis.
Yes. Medical pedicures are done in a sterile environment by trained professionals, reducing the risk of fungal infections.
Poor hygiene, sweaty shoes, walking barefoot in public showers, and chronic conditions like diabetes.
Absolutely. Fungal infections can spread to other nails and even other people without proper treatment.