7 Nail Strengtheners to Fix Split Nails Fast
Split nails are the worst, right? They snag on everything, look rough, and just won’t stop breaking. Maybe it’s from dry hands, too much nail polish remover, or not eating enough good stuff—whatever the reason, it’s annoying. But don’t worry! I’ve got your back with 7 awesome nail strengtheners that’ll fix those splits fast. These are the real deal—easy to use and super effective. Ready to get strong, healthy nails? Let’s dive in!

What to Look for in a Nail Strengthener
Choosing a nail strengthener doesn’t have to feel overwhelming. With so many options out there, knowing what matters can help you pick one that actually works for your split nails. Here’s the rundown on what to keep an eye out for.
Key Ingredients
The good stuff in a strengthener makes all the difference. Keratin is a must—it’s the building block of your nails, so it helps repair splits and toughen them up.
Calcium’s another winner; it adds that extra strength to stop nails from cracking. And don’t skip vitamin E. It keeps your nails hydrated, which is huge for preventing more splits down the road. Look for these on the label, and you’re golden.
Easy-to-Use Features
Nobody wants a strengthener that’s a pain to use. Go for one that dries fast. Waiting around for polish to set is the worst.
It’s also smart to pick something non-toxic, so it’s gentle on your nails and doesn’t cause more damage. Bonus points if it’s easy to apply, like a smooth brush-on formula that doesn’t clump or streak. The less hassle, the better!
The 7 Best Nail Strengtheners for Split Nails
Split nails can be a real pain, but these seven strengtheners are here to save the day. I’ve picked out some top-notch products that people swear by for fixing splits fast. Each one’s got its own vibe—whether you’re after quick results, budget-friendly options, or something fancy. Let’s break them down!
Here’s a side-by-side look at these champs to help you pick your fave:
Product | Key Ingredients | How Often to Use | Price Range | Standout Feature |
---|---|---|---|---|
OPI Nail Envy Original | Wheat protein, calcium | Every other day | $10-$20 | Fast split-sealing |
Essie Hard to Resist | MSM, vitamin B5 | Once or twice weekly | $15 | Hydrates and strengthens |
Sally Hansen Hard as Nails | Nitrocellulose | As needed | Under $10 | Budget-friendly shield |
Mavala Scientifique K+ | Keratin | 2-3 times weekly | $10-$20 | 48-hour results |
Nails Inc. Nailkale | Kale extract, antioxidants | As base coat or solo | $10-$20 | Nourishing base coat |
Ella+Mila First Aid Kiss | Vitamin E | Twice weekly | $10-$20 | Vegan and gentle |
CND RescueRXx | Keratin, jojoba oil | Daily for 1-2 weeks | Over $20 | Premium repair power |
1. OPI Nail Envy Original
- Why It’s Awesome: Works fast to stop splits and adds serious strength.
- Best For: Anyone who wants a reliable, no-fuss fix.
This one’s a total classic. OPI Nail Envy Original is like the superhero of nail strengtheners. It’s loaded with hydrolyzed wheat protein and calcium, which team up to rebuild your nail structure.
If your nails are splitting like crazy, this can seal those pesky ends and make them stronger in just a few days. Apply two coats on day one, then one every other day—it’s that simple. Plus, it dries fast and leaves a nice, glossy finish. People love it for a reason!
2. Essie Nail Strengthener Hard to Resist

- Why It’s Awesome: Strengthens and moisturizes at the same time.
- Best For: People with dry, splitting nails that need some TLC.
Essie’s Hard to Resist is a fan favorite for good reason. It’s got MSM (a fancy sulfur compound) that boosts keratin production—aka the stuff that keeps your nails tough. This one hydrates while it hardens, so your split nails don’t just get stronger, they feel less brittle too. Brush on two coats and you’re good to go. It’s got a subtle pink tint that makes your nails look healthier right away.
3. Sally Hansen Hard as Nails
- Why It’s Awesome: Cheap, effective, and easy to find.
- Best For: Anyone who wants solid results without spending a ton.
If you’re on a budget, Sally Hansen Hard as Nails has your back. This drugstore gem’s been around forever—since 1957!—and it still rocks. It uses nitrocellulose to create a hard, glossy shield over your nails, protecting them from more splits. You can grab it in clear or a light tint to hide any discoloration. Just slap it on and watch it work—it’s a total steal for the price.
4. Mavala Scientifique K+
- Why It’s Awesome: Super quick at fixing splits.
- Best For: Busy folks who need a speedy solution.
Need fast results? Mavala Scientifique K+ is your pick. This stuff’s packed with keratin and penetrates deep to stop splits in their tracks. People say they see a difference in as little as 48 hours—pretty impressive, right? Apply it a couple times a week, let it dry, and you’re set. It’s not a polish, so it’s perfect if you want something lightweight that gets straight to the point.
5. Nails Inc. Nailkale Superfood Base Coat
- Why It’s Awesome: Feeds your nails and works as a base coat.
- Best For: People who love polish but still want strong nails.

Nails Inc. Nailkale is all about nourishing your nails while it strengthens them. It’s got kale extract (yep, the green stuff!) and antioxidants to feed your nails and fix those splits. Plus, it doubles as a base coat, so you can layer polish over it without skipping a beat. It dries quick and leaves a glossy vibe that’s hard to beat. If you like a little extra care with your strengthener, this one’s a winner.
6. Ella+Mila First Aid Kiss
- Why It’s Awesome: Gentle, vegan, and still tough on splits.
- Best For: Eco-friendly folks with sensitive nails.
Looking for something gentle? Ella+Mila First Aid Kiss is vegan and packed with vitamin E to heal and strengthen split nails. It’s a chill formula that’s easy on your nails but still gets the job done.
Brush it on twice a week, and you’ll notice your nails getting less brittle over time. It’s a great pick if you’re into clean beauty and want something that won’t harsh your vibe.
7. CND RescueRXx

- Why It’s Awesome: Heavy-duty repair for major split issues.
- Best For: Anyone with super damaged nails who’s ready to invest.
CND RescueRXx is the premium choice for seriously split nails. This one’s got keratin and jojoba oil to repair even the worst damage. It’s more like a treatment than a polish. Aapply it daily for a week or two, and your nails will thank you. It’s a bit pricier, but pros and fans call it a game-changer for getting nails back in fighting shape. Perfect if your splits are next-level bad.
How to Use Nail Strengtheners Effectively
Got your hands on one of these awesome strengtheners? Now let’s make sure they work their magic. It’s not just about slapping them on; a few simple tricks can take your nail game to the next level. Here’s how to do it right.
Start with Clean Nails
First things first—clean those nails! Wipe off old polish with a gentle remover and wash your hands. Stuff like OPI Nail Envy or Sally Hansen Hard as Nails sticks better when your nails are bare and oil-free. A quick scrub with soap and water does the trick.
Follow the Directions
Every product’s a little different, so check the label. For example, slap on two coats of Essie Hard to Resist and let it dry, or use Mavala Scientifique K+ a couple times a week on the nail tips. CND RescueRXx wants daily love for a week or two. Stick to the plan, and you’ll see results faster.
Don’t Overdo It
More isn’t always better. Piling on layers of Nails Inc. Nailkale every day might sound smart, but it can gunk up and flake off. Most of these—like Ella+Mila First Aid Kiss—work fine with just a couple applications a week. Give your nails some breathing room!
Boost It with Food
Want an extra edge? Eat some nail-friendly snacks. Stuff like eggs, nuts, and salmon are packed with biotin, which helps your nails grow stronger naturally. Pair that with your strengthener, and you’re doubling down on the split-fixing power.
Some important tips
- Apply at night so it sets without smudging.
- Use a top coat with OPI or Essie for extra shine.
- Skip polish for a few days with CND RescueRXx—it’s a treatment, not a base.
Conclusion
There you have it—seven killer nail strengtheners to kick split nails to the curb! Whether you’re vibing with the fast-acting Mavala Scientifique K+, the budget-friendly Sally Hansen Hard as Nails, or the premium CND RescueRXx, these picks have you covered. They’re all about making your nails strong and healthy again, fast
So, grab the one that fits your style and get started—your nails deserve it! Got a favorite from the list? Tried something else that worked? Drop a comment below and let me know—I’d love to hear about it!