The best nail strengthener in Australia depends on one question: do your nails bend or snap? A strengthener stiffens the surface of the nail, which can help soft, bendy nails for a few weeks and make brittle, snapping nails worse. Below is what to look for in a good one, what to avoid, and the oil routine I use when the answer is snap.
- Bend or snap decides everything: soft, bendy nails may like a strengthener, while snapping nails usually need oil first.
- A strengthener stiffens the surface of the nail. That can help a soft nail and make a brittle one worse.
- A good strengthener comes with directions for a short course and is easy to take off, so you can see what your nails do without it.
- Whichever you choose, use it for a short course, take it off, and keep oiling.
Do your nails bend or snap?
Bend or snap tells you whether a strengthener is likely to help or make things worse, because a nail that bends is soft, a nail that snaps is brittle, and they need opposite things.
Quick check: think of the last nail you broke. If it folded over and tore, or peeled in layers, your nails lean towards bendy. If it cracked straight across, or split down a line, they lean towards brittle. Plenty of nails are a bit of both, and if you can't tell, start with oil. It's the safer first move, because oil doesn't stiffen anything.
| Check | Nails that bend | Nails that snap |
|---|---|---|
| What they feel like | Soft and flexible, they fold over when you press the tip | Hard, dry and stiff, with no give |
| How they break | They tear or peel at the tip, often in layers | They snap off or split along a line |
| What I would try first | A short course of a strengthener, with oil alongside | A daily oil, and nothing that adds hardness |
How do nail strengtheners work, and what is the rebound problem?
Most strengtheners work by laying a film over the nail, made from ingredients such as keratin, proteins or resins, which stiffens the surface.
A stiffer surface helps a soft nail hold its shape, and for a few weeks it can feel like a real change. I get why people love them.
Myth: A harder nail is a stronger nail.
Fact: A strong nail has some give. A hard nail with no give is the one that snaps.
The catch is the rebound problem. A strengthener doesn't change the nail underneath, so when you stop, you're back to the nail you started with, and in my experience a nail that's been held stiff for weeks snaps more easily once the film comes off.
A pattern I see in the salon is a client whose nails felt wonderful for a few weeks on a hardener, then worse once she stopped. The nail underneath hadn't changed, and it had been held stiff the whole time.
What should you look for in a good nail strengthener?
A good nail strengthener tells you plainly what it does, comes with directions for a short course, and is easy to take off, because the job is to help a soft nail hold its shape for a few weeks, not to turn it into a hard one.
Here's what I'd check before you buy, standing in the chemist aisle with the bottle in your hand.
- Read the ingredient list. Keratin, proteins and resins are what stiffen the surface of the nail. That's the job, so it shouldn't come as a surprise, and it's not what you want more of if your nails already snap.
- Look for a short course. Good directions call a strengthener a short course with a break, not a permanent coat. If a bottle wants you wearing it all year, put it back.
- Check you can take it off. You want to be able to take it off between courses and see what your nails are doing without it.
- Match it to your nails. Check the pack says what it's for. Soft, bendy nails and brittle, snapping nails need opposite things, so a hardener on a nail that snaps is the wrong tool.
- Keep your expectations honest. A strengthener holds the surface stiff while it's on. It doesn't change the nail you can already see, which was made two to three months ago.
What should you avoid in a nail strengthener?
Avoid anything that promises a harder nail when your nails already snap, and avoid wearing any strengthener for longer than its directions say, because more stiffness is the opposite of what a snapping nail needs.
More of the same doesn't help: more layers, a longer course, a second bottle. A nail that's already stiff and snapping doesn't need more stiffness.
Do
- Check bend or snap before you buy.
- Follow the directions, then take it off.
- Oil your cuticles and nails every day.
- Wear gloves for the dishes.
Don't
- Layer one strengthener over another.
- Stretch a course of days into months.
- Pick at the film when it lifts.
- Paint over a split or a sore nail.
If a nail has already split, patch it or file it first. How to fix a split or cracked nail shows how.
When is a strengthener the wrong tool?
A strengthener is the wrong tool for nails that snap, for thin nails, and for a nail that has already split or is sore.
Snapping nails are already stiff, so more stiffness is the last thing they need. Thin nails have little to spare, and a stiff film on a thin nail can leave it fragile, so if yours are thin, start with oil and think about a strengthener only if they still fold over after a few weeks. And painting over a split or a sore nail doesn't fix it: patch or file the split first.
How do you use a strengthener without over hardening?
Use a strengthener as a short course with breaks, not as a permanent coat, and follow it with oil.
If you're going to use one, here's how I'd do it.
- Check bend or snap first. Only bendy, soft nails are likely to like a strengthener.
- Follow the directions on the pack. Short means short. Don't stretch a few days into a few months.
- Take it off. Give the nail a rest between courses, so you can see what your nails are doing without it.
- Oil every day, with or without a strengthener. Oil keeps the nail and the skin around it hydrated.
- Stop if your nails get worse. If they feel harder and then snap or peel, switch to oil alone.
What should you use instead of a strengthener for brittle nails?
If your nails snap, the better first move is oil, because oil keeps the nail flexible instead of stiff.
Oil doesn't lay a hard film over the nail. It keeps the nail and the skin around it hydrated, so the nail can flex a little and take a knock.
The oil I used on my own clients for years before it went on sale is the Body Collective Nail Growth and Strength Serum pen: 3 ml, A$16.95, and one click is usually enough for ten nails. It works on natural nails and over gel, SNS, acrylic and dip. It's not a hardener. It keeps the nail hydrated so it breaks less.
What's in the pen? Four certified organic oils: fractionated coconut, argan, jojoba and sweet almond. The unscented pen is the four oils only; scented pens add fragrance.
Before you buy: sweet almond oil is a nut derived oil; people with nut allergies should talk to their doctor first.
If you're using a strengthener as well, put the oil on after the strengthener has dried and keep it to the cuticle and the skin around the nail. Oil doesn't change the nail you can already see, which was made two to three months ago. It changes the next millimetres.
- Within days
- Most people notice softer cuticles.
- Within one to two weeks
- Most people notice visible growth.
- Two to three months
- The nail you can see was made two to three months ago, so this is when the growth you started today reaches the tip. Results vary.
The full daily routine, with the file and the gloves, is in how to grow long natural nails.
Strengthener or oil: which one suits your nails?
A strengthener suits soft, bendy nails for a short course, while oil suits snapping nails and works as a daily habit alongside either.
Here they are side by side, the pen against a typical strengthener.
| What matters | Body Collective pen | A typical strengthener |
|---|---|---|
| What it does to the nail | Keeps the nail and the skin around it hydrated | Stiffens the surface of the nail |
| If your nails snap | Oil does not stiffen anything | Can make snapping nails worse |
| How you use it | A daily habit: one click covers ten nails | A short course, then a break |
| What is in it | Four certified organic oils, and nothing else in the unscented pen | Film formers such as keratin, proteins or resins |
| Over gel, SNS, acrylic and dip | Works over gel, SNS, acrylic and dip | Check the pack |
When should you see a GP about brittle or breaking nails?
Brittle or breaking nails often come down to wear and dryness, but not always, and a bottle cannot tell the difference.
If it came on suddenly, hurts, is discoloured, thickened or lifting, see a GP, dermatologist or podiatrist.
Nail Growth, Strength & Repair Serum | Easy Twist Pen
A$16.95
A daily oil for nails that snap, with nothing in it to stiffen the nail.
Add to cartSweet almond oil is a nut derived oil; people with nut allergies should talk to their doctor first.
Questions people ask
How do I choose a nail strengthener?
Start by checking whether your nails bend or snap. Bendy, soft nails may suit a short course of a strengthener with clear directions and an easy way to take it off, while snapping nails usually need oil first, because a strengthener stiffens the surface and can make brittle nails worse. If you cannot tell, start with oil.
Do nail strengtheners really work?
For soft, bendy nails they can help for a few weeks, because they stiffen the surface of the nail. For brittle nails that snap, stiffening can make things worse. When you stop, the nail underneath is the one you started with. Used as a short course, with oil alongside, they can be useful. Results vary.
What is the best natural nail strengthener?
There is no single best. For nails that snap, I start with a daily oil that has a short ingredient list you can read, because oil keeps the nail flexible rather than stiff. For soft, bendy nails, a short course of a strengthener with oil alongside is reasonable. Most people notice softer cuticles within days; results vary.
How long should you use a nail strengthener?
Use it as a short course with breaks, not as a permanent coat. Follow the directions on the pack, take it off between courses, and oil every day with or without it. Stop if your nails feel harder and then snap or peel, and switch to oil alone.
