20 Best Nail Hardener And Strengthener (2024 Update)

I loved this product. Tbh I have completely ran out cause I used it almost every other day. A little story here so be warned: For 20 years I have struggled with anxiety, well with that I had a nervous habit of picking at my nails till they were in the quick. I’ll attach a picture along with results. I found this product through my mom (a nail technician) plus vegan pure multivitamin nail hardener (also at Walmart) I started using these products every other day. And give or take 2 months in my nails are have grown so long. The longest I’ve ever had to the point if I paint them they almost look like acrylics! 1rst photo is before, 2nd photo is after ❤️Cameron

I have used other products from this brand and have been very disappointed. This one has left me very surprised. I've only used it twice so far, and it seems to work great. Can I say that I've seen growth within 3 days? Honestly, I can't really tell. However, I have noticed a definite change in my nail strength. I work a lot with my hands when I make costumes and clothing, and my nails tend to break, chip and crack. Since I started using this, my nails seem stronger. I only gave this product 4 stars because I haven't been using it for very long, so I can't say if it really lives up to the hype. But I can say that I have been very surprised within the small amount of time I have been using it, and plan to keep using it. I have a feeling I will continue to be surprised.Amy

Not for nail growth, but stops nail peeling/brittle nails. Also great as a top and base coat! Ok so I’ve been trying this for 3 months and I haven’t seen any noticeable difference in nail growth rate. However! I have very brittle nails that break and peel if they get long so I’ve always been on the lookout for something that helps and this works wonders! I keep getting compliments on my nails and how I can actually grow them now. I followed the directions for use as applying 2 coats every 3 days and I haven’t had any problems with peeling or my nails breaking when they get longer. I would suggest also painting underneath the nail tip to strengthen both sides. I would recommend for people with brittle nails, but don’t expect faster nail growth. I’d suggest taking biotin gummies!mimi.k

Before the COVID situation I would get a gel manicure every two weeks. And now, I do not see myself going back to the nail salon. This mega formula lasts! My nails stay unchipped for 6 days straight! And when they started chipping it was only at the very tip of the nail! I typically only ever need two coats and I dont use a clear top coat. The colors are so pretty! The brush is super skinny I was worried at first, but it's super good, coverge and application is easy! I take off with regular acetone and comes right off – not sure about the glitter ones because I dont have any glitter colors yet, but I imagine it would take a little more effort to remove as with all glitter polishes. Not sure why people buy the $10+ nail polishes like Essie and OPI, when you can get two of these instead!! I would get all the colors if i could! Don't hesitate, get this polish!rissy808

I would definitely recommend this nail product if you also struggle with brittle nails prone to breakage. I use the clear as a base coat (although I wouldn’t wear it alone because it can look a little yellow, which seems to be common with clear coats, but figured I would mention it) and I do notice a difference – almost if my nails feel as if they’ve been more fortified. I would be curious to see if using one of the Mega Strength hardener pigmented shades on top of the clear coat would amplify its effect. Sally Hansen has long been a company I can trust in terms of quality and performance, and this product further solidifies my perception of their (well-deserved) place in the nail game.danielle.m

I always struggle with painting my own nails in the first place, and I'm always looking for a top coat to make my nails look shiny and smooth like a gel polish but also dries fast. This top coat does just that. Sometimes I even use it alone to give my nails a nice shine. It doesn't stay tacky for very long and covers/smooths out any small imperfections in my base coat of color. The brush is big and wide which allows the whole nail to be covered in two swipes. It makes my nails feel very striong as well. Very nice polish! My only complaint is that the top coat peels off easily, especially around the cuticles. It doesn't take much to get a chip in it which also takes the underneath color off as well. It works well if you're the type to change the color of your nails every week but I like to get as long as possible out of my polishes so it is kind of frustrating. But the speed of drying makes up for the peeling.natalie.e

This nail strengthener has done the unthinkable: salvaged my thin, peeling, damaged nails that I was on the brink of accepting would be stubby forever. I was caught in a cycle of chewing them in times of stress, getting acrylics to cover up the issue, removing them and starting all over. My nails were put through the ringer. I honestly am not sure how I finally stopped biting them, as I’ve been trying for years. However, a combo of at home manicures and a daily coat of this stuff has them looking spectacular. It dries super fast and leaves a clear glossy finish. Yep, I will even go so far as to add a very embarrassing before photo, just so you get the idea.liv.p

My nails have always been filled with ridges and discoloration and peeling off. (I don’t help the matter with peeling myself) but as I age it gets even worse . I always use this before I put on my nail concealer to try and fill the ridges and give my nails some more strength. It’s something I like to do on Sunday’s to give myself a little bit of meditation time. However it stiiiiinks so don’t do it in your room just like I did it’s like huffing gluekatie.m

My goodness, what this has done for my nails is unreal! As soon as we went in “lockdown” mode, I needed my Dip mani ASAP. I bought the @home kit by Kiss and it lasted about a week…if you’ve done dip for a while you know that when you stop, your bare nails are LONGGGGGGG but brittle…at least mine were paper thin and literally broke anytime I passed my fingers through my hair. 😩😩 I had bought this nail repair polish a while ago and decided that now was the best time to try it. I have been applying it every other day, consistently over 6-7 weeks and my nails are STRONG, and much longer than when I clipped my nails. I file them slightly 1x a week just to avoid them from breaking. Not sure if I’ll go back to dip after finally getting my nails to a healthy state but I HIGHLY recommend this nail repair polish! This #4 is for the most brittle and weak nails. (I have horrible quality pics but you can see the progress)maria.l

I'm only on week 3 of the process, which is a month long, but so far I've absolutely loved this nail strengthener! I've tried tons of other nail strengtheners, including a $25 one, and this is the best one I've used so far. It doesn't tint the tips of your nails or turn them yellow, and it has a very natural sheen–not too glossy. My nails are stronger than they've ever been. I have only chipped a nail once, and that was at my job during the first week of using this strengthener (I work a pretty hands on, physical job). Since then, I haven't broken or chipped a single nail. I plan on continuing to wear this as a base coat or just naturally on my nails once I'm done with the month. I strongly recommend this product, but I will warn people to look into the entire process and what it entails, because these last two weeks of the month will take a bit of commitment.Claire

I'm 29 and I've chewed on my nails for as long as I can remember. I'm talking like bitten them down, bleeding nails, stubby fingers. Between this and No More Biting, I've been able to spend almost two years without biting. So, I figured it was time for a review. While I credit the No More Bitting polish for helping me kick the habit, the health of my nails I attribute to oiling my cuticles and First Aid Kiss. Naturally, when the first grew out they were thin and wonky. I did my best to keep them short and shaped, though I've gone stretches without grooming my nails, and First Aid Kiss saves me every time. My nails are now strong, beautiful, and I'm always so happy I can wear rings without having to be self-conscious of people seeing my nails. Wonderful product, I highly recommend!Nelly

Long ago I gave up on my nails, trying to just handle them short to curtail their peeling and splitting tendencies. Last march I had a shellac mani to be fancy for a wedding and it ruined my already quite pathetic nails. After several months of trying to grow out a vertical split that had resulted I searched for something that would strengthen them enough to at least get back to normal shorties. Well, I saw this product and the reviews and thought i would give it a try. I did follow directions to the letter, which helped and it was at a vacation time for me so I could stay on track. After the first two weeks I had never seen my nails so 'non splitty' , and something in this is definitely fortifying them. After the initial two weeks I went into the 2 week every other day schedule, and I went ahead and purchased the soy remover as well. Pros: much 'cleaner' product line than any I see. Virtually no odor or strong smell, makes application pleasant. Products work better than any I ever used on my mid 50's nails! Cons: none yet, and I just ordered from the Labor day sale. I am tossing my collection of prior types of nail polishes I've accumulated. I just think these are better for me and work better.Margoflyer

I received this product complimentary for testing purposes. I’m really picky when it comes to mascara just because of my small short Asian lash hair. I had seen many great reviews and was excited when I got pick for this voxbox. I love the bristle of this mascara. It gives a big glamorous vibes. It can get a little clumpy if you overdo it. If you love big chunky lashes, this is the one; especially if you have small Asian lashes like meana delia.s

I love this product. Initially I went back and forth on purchasing this or a few competitor products, but went in to Ulta and this was available, so I grabbed it based on the reviews and I'm so glad that I did. My hands are nothing special, but my nails have been soft and break off for as long as I can remember. It makes painting them or even getting acrylics done useless because within 48 hours it will be gone entirely. My nails just can't keep anything on them. For several years I've looked high and low, buying products that I hoped would help, but nothing ever made a dent. Until NailTek #2. I can't stop raving about it. Now, based on my photo one might think, "this stuff does nothing," but let me tell you-the last time I had my nails grow out past my fingertips, I was pregnant (taking prenatals), and even then they were splitting. The length I have going now is TRANSFORMATIVE. I've been staring at my hands for days waiting for them to break off as I open a door, or load the dishwasher, but nope. They're still there.Meredith

I have used Nail Tek products for about 20 years, as their nail treatment/therapy products have worked wonders for me. My nail used to never grow. I began using Nail Tek, #2 with the cuticle/nail oil when preparing for my wedding in hopes to grow my own nails. They grew, and became stronger than ever before, less brittle and less prone to breakage. I’ve used nearly all of the Nail Tek treatment line and recommended to many! Only downside is you should apply it almost daily, which makes the clear treatment thicker and harder to apply. Although I no longer paint my nails, I get dip done at the salon now as my nails are extremely long and dipping adds protection to prevent breakage.shannon.l

In my quest for healthier nails and cuticles, I purchased this to use under my base coat and nail polish as a strengthening treatment. This definitely worked. My nails have been so strong since I started using this regularly. I change my manicure about once a week and I apply the Nail Tek Moisturizing Strengthener underneath every other manicure because too much protein can cause nails to harden and therefore snap off when hitting something instead of bending like a healthy nail does.sandra.l

I received this product complimentary for testing purposes. I’m really picky when it comes to mascara just because of my small short Asian lash hair. I had seen many great reviews and was excited when I got pick for this voxbox. I love the bristle of this mascara. It gives a big glamorous vibes. It can get a little clumpy if you overdo it. If you love big chunky lashes, this is the one; especially if you have small Asian lashes like meana delia.s

The whites of my nail tips started growing back within 48 hours! I’ve slaughtered my nails after using press-on nails with nail glue and salon gel manicures, but it was a stupid habit to get into because I have lovely, long, strong, and white-tipped nails naturally. After the damage, they definitely needed a little help being pushed in the right direction, and Nail Tek’s #2 has been a lifesaver! I’ve only used it for about a week and a half, but my nails are eons healthier than they were before using this product.briana .k

It took me weeks to finally get it in the mail, but I really like this product. My nails are badly damaged from gels and acrylics. The pink color is ok but would not be my choice. It does let me see where it has worn off on the edges more easily though. My nails are easily broken and thin to begin with, so damaged they are very fragile. This is good for growing them out, and having some color helps hide the damage. I would like a shimmery nude color better, but that is personal preference.Merry B.

This is the Orly Nailtrition treatment polish and it retails for $15 at Ulta. This is suppose to be a nail strengthener for peeling and splitting nails. The formula is thick, shiny, and pink. I was hoping for something more clear. Not a deal breaker. It makes the nails appear bright and shiny. I recently wanted to take a break from getting my nails done and had the acrylic removed. My nails were peeling and thin underneath. I thought I would give this product a try and after a month, I’m really not impressed. It did not make my nails any stronger, nor did it help them grow. The only thing I did notice was that it helped with the peeling. I would not repurchasejolie.d

I really did not have any expectations of this product when I first started using it but figured it was worth a shot. I had acrylics for over a decade and then had to stop during the pandemic. My natural nails were so damaged, brittle and peeling, I had given up the idea of having nice nails again. I thought the Nailtrition at best would bind the peeling nails and prevent them from splitting but my nails are growing so well and (knock on wood) haven’t broken or split since I’ve started using this. I follow the instructions and put it on daily. It dries fairly quickly and the color is very faint and neutral. I got my first compliment on my nails in over a year and a half this past week and I owe it all to this product.Lisa C.

I have used Nailtiques Formula 2 for many years. It absolutely improves the strength and look of my nails. The trick is to use it consistently and follow the directions to apply one coat daily. I make one to three applications a week to maintain the results and make sure I always have this on my nails. I don't wear color polish often but Nailtiques works great as a first coat with color polish as the second. If you are just starting out with Nailtiques I would suggest not using colored polish for the first few weeks and just use Nailtiques to give your nails a good start. The first coat gives your nails a nice shine, the second coat the next day hides any nail ridges and gives a thick glossy salon look.les7424

This Needs SIX Stars! Seriously, the best strengthening and growth enhancing product I’ve ever tried. Since COVID I stopped going to the nail salon so I was using press ons which I glued on! My poor nails! Always used Nail Envy but sadly just not a big result – then tried this. My nails have never looked better or felt stronger! No need for salon nails anymore!Mehmay

I got the pink tinted nail strengthener and at first really liked it. I decided to wear it on its own, and that was a mistake. In less than a day the polish would chip and flake off. It has absolutely not durability. I’ve removed it, tried prepping my nails, and reapplied it but still had the same problem. I wonder if this would be better under another nail polish, which is why I’m giving it three stars instead of two. I assume those who give this product 5 stars are wearing this underneath another polish and maybe that’s why it works for them. However it does say it could be worn on its own, and yet on its own it’s really subpar. Kinda disappointed but maybe I’ll find a way to use the rest of it so it doesn’t go to wasteGabby

I was pleasantly surprised with how well this product works. I couldn’t believe the amount of growth my nails had made within just 3 days…not to mention they strengthened up a lot. My nails have been a little more brittle lately and this has helped tremendously! Plus, you get the added benefits of a smooth, shiny, pink-tinted nail while they are becoming stronger. It says to take the stuff off after 3 days but you can leave it with no consequences. You can instantly feel the protection added and see a pretty shine. I don’t know that I’d say you can instantly feel them becoming stronger, but you can definitely tell it’s doing it’s job and will be more resistant to stuff within the 3-day period. It doesn’t take much either (just two coats per nail), so one bottle will last you a good amount of time. You get a good amount for your money. Well worth it! Would definitely recommend. I will continue to purchase and use this product myself!Jazmyne

In the bottle this has a purple tint which is not noticeable once applied, it goes on completely clear. Instructions say to apply two layers and that's it. The product is a lot thinner than regular nail polish, so you need to make sure you are not picking up too much product! If you do accidentally apply too much it runs quick since it is so thin, and you need to remove it with the brush o make sure it does not spill over onto your skin. Other than that small issue it seems to work, my nails do look better and feel a little tougher. Best part is it just looks like a nice clear polish that gives your nails a lovely shine!Janaa

I got this free about a year ago and will absolutely be buying when I run out. The nails on my ring fingers are thinner than my other nails and used to break frequently, with this they feel just as strong as my regular nails and I can actually grow them out. All of my nails break much less than they used to and only when I really jam them. It works well as a base coat (longevity of my Mani is similar to seche vite or opi base coats) and is also great by itself. It makes my nails shiny and healthy looking. My dog definitely enjoys the extra scritches he gets because I'm not worried about my nails bending!Kelsey

Wow! I’ve been getting acrylics on and off since my early teens (now early 30’s) and the only time I’ve ever been able to grow my nails without them peeling or breaking, is when I had on acrylics…. I received this recovery formula in a fab fit fun box and decided to try it (fresh off a set of acrylics, incredibly thin and damaged with ridges and no length left) and within a week I noticed my nails getting longer. I’ve been using for a little over a month and the results are unbelievable. First time in my life I’ve been able to grow my natural nails! I also love the gloss it gives my nails (gives a clean and put together look) and my nails are now ridge-free, thick, strong, and perfectly pink where before they were dull and uneven with white patches. I recommend this product to everyone, you won’t regret it!!!Alyssa B.

This is finally doing something. This is finally giving my nails the strength and nourishment it needs to grow and be strong. I have always suffered from nails that peel and flake and this is helping tremendously. It's only been one week but there is a clear difference. I am also taking supplements and using oils/lotions religiously to make my nails grow and be strong – but I was doing this before I started using the get well nail recovery. This is well worth the spend. Give it a chance. Follow the directions to a T and you will have success! Success looks different for everyone but it has made an objective difference in my nail strength, growth, and health. It also tastes bitter and makes me not want to chew on my nails.. another plus!Lo

I bought this nail polish because it is plant base, which is something I have really been trying to look for in my beauty products lately. It was about $10 a bottle at CVS, so it’s comparable to Essie and OPI. I have to say, I really love this polish! I’ve had it on for 5 days now and it’s only starting to chip a little at my tips! I am rough with my hands. I’m really shocked by it! I already bought another color! Since it’s a newer formula there isn’t too many colors to choose from but the ones they have out are all so pretty!! I have on the Laven-Dear color! Definitely recommend this polish!!lauren .h

It took 3 layers to apply a smooth and finished look. I will say it dried fast and I was rather surprised by that for liquid or polish. I however was not a fan of this color. It really just didn’t look good with my skin tone. Maybe in the summer when I’m tan? But it’s a no for me right now. The actual polish itself held up as to be expected for any nail polish. 2-3 days before I had noticeable chipping. Smell was still the same as typical polish smell, I’m not sure if I thought it would be different because it’s Vegan? All around the polish isn’t terrible. It’s getting a 3 because it took so many layers to achieve a smooth look.cydney.j

I received the shades 345 Smokey Quartz and 410 Black Stone which are beautiful colors. The purple is light but has a grayish tint to it and shines really pretty and the black is a deep black and gives off a beautiful shine. The polish itself gives off a great color and smooth look but with one coat is just too thin, I did at least two coats to create a good layer and look. This polish is a very runny formula in my opinion so took some patience not to make a mess with it and drying time isn’t too long but the the turn out is pretty good and last a good few days before it starts to chip off. I overall think it’s a great polish and love that it’s vegan. I did receive the new vegan formulas but is giving me a list of the old ones so my shades aren’t there to put in my review.brittany .h

This is very glossy yes, but it made my Essie nail polishes “melt” under it so it ruined the nail polish I had set before, no matter how long I waited (24 hours). So the quality is not great. I’m really disappointed. Really strong scent. Concerned over what is in this as the nail polish under it “melted”.iHerb Customer

What a wonderful product! It really works as advertised. My nails are much stronger and healthier than ever. With other similar products, every time I did my house chores, my nails would start breaking again but this one actually works and results really prove it. Really love this product! Cant get over how amazing my nails are now.Fran

Ive tried a lot of products hoping my nails would stop chipping and breaking. Nothing worked, I even gave in into trying Opi Nail Envy which has formaldehyde, I didnt see any difference on the contrary it made my nails worse. I came across this product and gave it a try, I love it!. My nails are strong and long, I also use the hydrating base coat, I use them together. I alternate them and after 5 days I remove and reapply again. I am very happy I found a product that works for me. Give it a try.pat

Love this stuff! By far the best nail treatment I have used! It doesn’t feel greasy and has a subtle scent that doesn’t permeate everything you touch. I also don’t feel like I can’t do anything with my hands after applying it. A little goes a long way so I feel like it is a good value. After one use I felt like my nails were more hydrated. Overall really loving it so far! Excited to see if there are some results in a few weeks!mckinzie.w

I only gave this 3 stars because although it is a great nail strengthener, it really worked, I ordered the light pink twice and twice I received beige. When I called, VCS checked with the company and told me they said sheer pink is pink … but I have 2 jars both labeled sheer pink but they are definitely beige. Sheer pink isn’t even shown or listed in the catalog.Schace

I like this product. I'm too busy with my hands and don't have time for constant manicures and nail repair. This product gives my fingernails a little shine and hardens them. It lasted over a week before I took it off easily with remover and polished again. I ordered the light pink bottle but it is definitely NOT pink at all. With one application it is clear. With 2 applications it's more white in color. Recommend you shake the bottle a lot before using.LL60

This brand is my go-to nail polish. I love that the bottles aren't obnoxiously huge and I can travel with them. They are also made of thick glass and I have dropped them on numerous occasions and no catastrophe of nail polish on my floors. Could you imagine? Anyways, the formula goes on not too thin and not too thick. Easily dispersed on my fingernails. I can easily blaze through my coats and it wear well into many days without chipping. I highly recommend this brand, especially if you travel.elizabeth.s

I ABSOLUTELY LOVE this nail hardener. It keeps my nails super protected – they're prone to break and they haven't broken since I started using it. It adds a shine that makes my nails look like gel nails, which I love because gel manicures just destroy my nails. However, the shine is not very long lasting but I usually apply a coat whenever my polish is looking dull and it dries in 1 minute, which is so much more time-conscious than going to a salon to get a high-shine finish or just redoing my nails entirely. It also keeps the polish from chipping, and it's not one of those hardeners that cracks after 2 or 3 days. I seriously love this product. I'm also constantly washing dishes and the polish holds up perfectly. I can't say enough good words about this product. It's a life-saver for me!sofialengua

I do like the way this looks on my nails. It looks thicker on the nail than other top coats. However, you have to be like Goldilocks with application and use an amount that’s just right. If you use too much- your nails will never dry! Or you’ll think they are dry and then end up with a “dent” in one of them the next day. You must follow the instructions! I thought I knew how to paint my nails, already… but this is a bit different. I gave it 3 stars because of the price. You pay a lot of money for such a tiny bottle. I knew that before I bought it, but I just had to have it! Although it looked nice on, I’m in no hurry to make a second purchase because it takes so long to get it just right on my nails. Time is money… and this takes too much time.dianne.p

i cant say enough good things about opi. i use so many of their products. this product is a 3 in 1. it works as a base coat, a top coat, and a strengthening formula. it’s clear, but it looks so good on the nail. it’s strengthens my nails really well. and it’s easy to apply other coats to it if you want. or stickers. would definitely recommend!jennifer.f

I absolutely love OPI polishes especially the brush they come with. But I have to say it, this product IS TERRIBLE! I rarely write negative reviews, but this one gets an exception. It never fully sets, so it smudges and I wake up with sheet marks. I have given this topcoat 5 different tries, thinking it must've been user error. The last time I tried it was an experiment to make sure it's the topcoat and not my polish. One hand was painted with 3 coats of polish with no topcoat, the other hand was 2 coats polish, one very thin coat of topcoat. Both sides used the OPI drying drops, then I sat still without touching anything for 4 hours before bed. I woke up the next morning to find the no topcoat side perfect, the topcoat side was smudged on every finger. It's unequivocally this topcoat. I'm disappointed and surprised that OPI would make and distribute such a sub-par product. Probably going to switch to a gel topcoat from here.aleksandra.s

In my quest for healthier nails and cuticles, I purchased this to use under my base coat and nail polish as a strengthening treatment. This definitely worked. My nails have been so strong since I started using this regularly. I change my manicure about once a week and I apply the Nail Tek Moisturizing Strengthener underneath every other manicure because too much protein can cause nails to harden and therefore snap off when hitting something instead of bending like a healthy nail does.sandra.l

I received this product complimentary for testing purposes. I’m really picky when it comes to mascara just because of my small short Asian lash hair. I had seen many great reviews and was excited when I got pick for this voxbox. I love the bristle of this mascara. It gives a big glamorous vibes. It can get a little clumpy if you overdo it. If you love big chunky lashes, this is the one; especially if you have small Asian lashes like meana delia.s

The whites of my nail tips started growing back within 48 hours! I’ve slaughtered my nails after using press-on nails with nail glue and salon gel manicures, but it was a stupid habit to get into because I have lovely, long, strong, and white-tipped nails naturally. After the damage, they definitely needed a little help being pushed in the right direction, and Nail Tek’s #2 has been a lifesaver! I’ve only used it for about a week and a half, but my nails are eons healthier than they were before using this product.briana .k

I am on the search for the best nail strengthener after a medical procedure made my nails and hair super brittle. I honestly hate doing my nails at home, but if it’s low maintenance and will help my nails, okay fine. This is the third Sally Hansen strengthener I’ve tried, and I’d say jury is still out on which one ultimately is the best, but the diamond strength is nice! With the exception of my pinky finger, as you can see in my photo, you can barely tell where the ANC ends and my natural nail starts. Which is a huge bonus. I also appreciate that there’s a bit of shine to this, since I’m using it alone, but could also be used as a base coat. This also dried very quickly, which is important as I’m busy and use my hands a lot. No smudges!! As far as strength—well, I haven’t chipped my nails since my application last night, but my nails are quite short. And I try to use my nails gingerly anyway. But it does feel like they won’t immediately break if I were to pry some LEGO pieces apart right now lol!danielle.k

I wore acrylics for about 3 years straight. Maybe more. I finally had decided it was time to take them off, and man were my nails WEAK!! I decided to try this out. It helped my nails so much! The started growing out healthier and stronger and eventually stopped ripping! I wish I had taken progress pictures! I use it as a base under colored nail polish to give it that extra layer of protection now. And when I want a natural look, it gives my nails a pretty shine!janelle.s

I've have tried Sally Henson's Diamond Strength polish. It is a clear polish that has the typical strong chemical smell. It worked well for about a 3 to 4 days on my nails before I noticed it chipping and peeling. Nevertheless, I did notice a break down in the polish before the end of the 7 days. This could have happened because of improper cleaning of my nails the application. The shine of the nail had a lack of luster after drying as well, it would scuff easily. It was a result of the on the job duties that I performed at the time. But, the shine was easy to scuff. However, I did still notice a break down in the polish before 7 days. This isn't a professional gel polish so it will not have that shine that you might be looking for. And it will not sustain that fresh look for a long period of time but for an non professional, over the counter item it will help support your weak nail for a small period of time. So I rated this item with 3 stars. It's not a stellar product in my opinion but I have definitely had a lot worse. So I gave it an average rating, because of the temporary support it gives to your nail but would but advise that results may vary.rita.w

Holy crap. Do NOT buy this. I know my nail beds need some TLC after all the years of dip powder, but this was not the product to help strengthen them. I could feel the burn transfer from one hand to the other and there was nothing I could do to stop it. My nails have never been sensitive to anything and it didn’t even help “harden” my nails! Two of them even broke 3 days after applicationErika

This polish is from heaven! It WORKS!!! My nails are long, strong and sharp- haven’t broken a nail in over 2.5 months since using it. My nails were weak, peeling and soft before. My personal recommendation is a base coat of I On, clear coat of choice, and a top coat of I On… I get multiple compliments daily and tell everyone about it. So worth it!Amy Godley

When I first got this product, I was very skeptical due to the price point. But, I decided not to knock it before I tried it and it’s the best thing I have done for my nails. The first time I applied it, I did feel a slight burning sensation (like some reviews mentioned) but I was not going to let that stop me from seeing if this product worked or not. I applied the polish just as the instructions suggested and I noticed a difference in 2 weeks. And in my experience, the slight burning sensation did not persist after the first application. Now that I have used this product for more than a month I can say with certainty, this is better than some products that cost twice as much. I love that it is quick drying and has less smell than most other nail hardeners I have used. Thank you to the team at Amen for being us this wonderful and AFFORDABLE product. (Sorry for the lack of better “before” pictures, my nails were one of my biggest insecurities. But not anymore 😊. Thank you so much Amen🥰🥰.)Mayra

This product is easy to use and can be applied quickly. It doesn't form a coating on top of the nail so there is no risk of peeling. It seems to be absorbed by the nail. I have found it very effective and my nails are definitely much stronger and less prone to peeling.London58

I have used Mavala Scientifique nail hardener in the past and always found it worked really well and had excellent results. I’ve recommended it to others many times as it did measure up to it’s claims. It’s been a couple of years since I needed to use something to harden my nails and this product was my first thought 👍Anita M

I’ve given this a five star because I’ve only used it twice so far. But so far so good. I hope it continues to help my brittle broken weak nails. I have used this before many years ago and my memory of it was good, and that was the reason I purchased it again.Susan H

Okay, this color is the CUTEST color of them all. This polish is thick and very pigmented rather than the regular essie nail polishes. This one strengthens your nails super well too! I had acrylics for 2 weeks then took them off and my nail beds were thin and very bad (dry/brittle) but after I used this nail polish for a week and after taking the polish off my nails were thicker and also hydrated!! I definitely LOVE this polish and recommend it for anyone who wears acrylics/gel nails a lot!! It's a great treatment to get your nails back in shape. Also I had gotten so many compliments from people when I wore this shade! 10000/10 reccomendelle.g

When I took my old nail polish off this week my nails were peeling, which has never happened to me before. I sought out this product after trying 2 different brands “repairing” polish that were pretty terrible. At the store, there were two bottles labeled Minimally Modest but they were noticeably different, even after I shook them. I chose the one that was more pink vs. peach. I applied two coats and it looked pretty at first, but in daylight it’s really streaky. I think the streaks would be filled with three coats but the color would have been too light and opaque for a sheer polish. The formula seems smooth, feels good on my nails, and is long wearing, so I came here looking for another color. I’ll give it one more try and hope for better results.EvaE1izabeth

I had been curious about this product for a while, and when I found it marked down from it's original $10 price tag, I figured I'd give it a go. It's supposed to help dry, brittle nails in a week's time. I'm not sure about that. Essie has never been a brand that performs like a champ for me. It's okay, but I've always had better results from cheaper brands like Sinful Colors or comparable brands (price-wise) like Orly or OPI. Essie has come to be a brand that will get my attention, but I'll be looking at Sinful Colors, Orly and OPI first, and then I'll see what Essie has to offer. I like that this is a base coat that can be worn alone and it's supposed to have brightening pigments, kind of like a BB cream, but for nails. As something akin to a BB cream, it's pretty good. Just one coat and my nails look brighter and a bit healthier. Two coats, and even more so. With the second coat, the pearliness comes out and in some lighting my nails look a bit like the inside of a seashell, for what that's worth. It's subtle, though, so I like it for low-key polish.The contents are faintly lavender with a tiny hint of pearl to them, doing a nice job of concealing yellowing due to wearing nail polish most of the time. It actually makes a better difference on my nails than some other pale/sheer/pearl nail polishes, and it is a much nicer result than some other brands' sheer tinted polishes which I've tried in years past. This is basically what I was hoping for in a sheer, tinted product, so I'm very pleased with it. I don't even care if it strengthens my nails or makes them less brittle (it would be a nice occurrence, however, if it did) but I like that this makes my naked nails look nicer and I can easily apply one coat in a hurry for prettier nails on the fly. (Dry time is okay; it's pretty speedy for a single coat, but a second coat stays a bit tacky for slightly longer than I'd like.) Since it's a basecoat, I know it will at least make my nails somewhat less likely to chip. But for the prettier, brighter nails I get after applying this, I love it enough that I'd consider repurchasing. At full price, no less.darling87