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Nail-Aid Keratin 3 Day Growth Nail Treatment & Strengthener, Clear, 0.55 Fl Oz

4.3 4.3 out of 5 stars 50,031 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Nail Growth Products by Nail-Aid

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Purchase options and add-ons

Brand Nail-Aid
Item Form Liquid
Item Weight 14 Grams
Liquid Volume 0.55 Fluid Ounces
Specialty Healthier,Protein,Growth,Strengthener,Healthy

About this item

  • NAIL STRENGTHENER: Keratin is the hardening protein that builds nails. This powerful keratin amino acids treatment absorbs into soft, weak nail layers to give them maximum strength, stopping peeling and chipping.
  • 3 DAY GROWTH: Grow healthier, harder, longer nails with visible improvement in as little as 3 days.
  • QUICK DRY: Dries quickly to an ultra-hard finish so you can go about your day without fear of ruining your manicure.
  • VERSATILE: Our Keratin 3 Day Growth can be used with nail color resulting in a long-wearing, high gloss manicure or can be used alone for a natural, healthy look with shine.
  • DIRECTIONS: Use alone. Apply 2 coats over dry, clean nails. Let each coat dry before applying another coat. Use with nail color: Apply as base & top coat. For longest-lasting protection, apply another coat every 3 days. Remove easily with nail polish remover.

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From the manufacturer

Our standards are high
innovation delivering results fast acting results concentrated formulas fast absorption
usa made in united states
animal kindness

Product Description

Keratin is the hardening protein that builds nails. This powerful keratin amino acids treatment absorbs into soft, weak nail layers to give them maximum strength, stopping peeling and chipping.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1.2 x 2.88 x 5.5 inches; 0.49 ounces
  • Item model number ‏ : ‎ 08852
  • UPC ‏ : ‎ 839186088522
  • Manufacturer ‏ : ‎ ANISE COSMETICS, LLC
  • ASIN ‏ : ‎ B06XYNHFF2
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.3 4.3 out of 5 stars 50,031 ratings

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Price$4.48$6.99$4.45$8.98$4.48
Price Per Unit$8.98 / Fl Oz
Delivery
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it May 15 - 20
Get it as soon as Friday, May 17
Customer Ratings
Value for money
3.9
3.8
4.0
4.3
4.0
Easy to use
4.4
4.4
4.6
4.5
Longevity
3.7
3.6
3.9
3.9
Sold By
Amazon.com
Ellie Chase
Amazon.com
Linda Xpress
Amazon.com
form
Liquid
Liquid
Liquid
Liquid
Liquid
liquid volume
0.55 fluid ounces
0.5 fluid ounces
0.55 fluid ounces
0.55 fluid ounces
weight
14 grams
0.16 grams
0.1 pounds
specialty
Healthier,Protein,Growth,Strengthener,Healthy
Repair,Damaged,Growth,Strengthening,Hardener,Strengthener,Healthy
Growth,Strengthener
Growth,Hardener
Strengthener
ingredients
Butyl Acetate, Ethyl Acetate, Nitrocellulose, Phthalic Anhydride/Trimellitic Anhydride/Glycols Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, StearalkoniumHectorite, Tocopheryl Acetate (Vitamin E), Cholecalciferol (Vitamin D), Keratin Amino Acids, Hydrolyzed Wheat Protein, Calcium Pantothenate (Vitamin B5), Palmitoyl Grape Seed Extract, Etocrylene, CI 60725 (Violet 2).
Ethyl Acetate, Butyl Acetate, Nitrocellulose, Adipicacid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Isopropyl Alcohol, Trimelhylpentanediyl Dibenzoate, Polyvinyl Butyral, Benzophenone-1, Violet 2, Equisetum Arvense Horsetail Extract
Butyl Acetate, Ethyl Acetate, Nitrocellulose, Phthalic Anhydride/Trimellitic Anhydride/Glycols Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, StearalkoniumHectorite, Cholecalciferol (Vitamin D), Tocopheryl Acetate (Vitamin E) , Calcium Pantothenate (Vitamin B5), Sapphire Powder, Zinc, Etocrylene, CI 60725 (Violet 2).
Ethyl Acetate, Butyl Acetate, Nitrocellulose, Phthalic Anhydride/Trimellitic Anhydride/Glycols Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, Stearalkonium Hectorite, Biotin, Calcium Pantothenate (Vitamin B5), Cholecalciferol (Vitamin D), Acrylates Copolymer, Etocrylene, CI 60725 (Violet 2).

Important information

Safety Information

Caution: Keep away from heat and flame. Keep out of reach of children.

Indications

Every 3 Days

Ingredients

Butyl Acetate, Ethyl Acetate, Nitrocellulose, Phthalic Anhydride/Trimellitic Anhydride/Glycols Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, StearalkoniumHectorite, Tocopheryl Acetate (Vitamin E), Cholecalciferol (Vitamin D), Keratin Amino Acids, Hydrolyzed Wheat Protein, Calcium Pantothenate (Vitamin B5), Palmitoyl Grape Seed Extract, Etocrylene, CI 60725 (Violet 2).

Directions

Use alone: Apply 2 coats over dry, clean nails. Let each coat dry before applying another coat. Use with nail color: Apply as base & top coat. For longest-lasting protection, apply another coat every 3 days. Remove easily with nail polish remover.

Looking for specific info?

Customer reviews

4.3 out of 5 stars
4.3 out of 5
50,031 global ratings
Will update 4/28/24
5 Stars
Will update 4/28/24
Using this product in combination with the Hard as Hoof strengthening cream.FIRST IMPRESSIONS, 4/25/24: 5 starsThe first photo is my natural nail with no product. As you can see it is extraordinarily thin. This is from 6 years of acrylics, with little to no break. I first started using acrylics because my natural nails are very brittle and would frequently break and split, getting caught on things and causing pain. Acrylics have been a godsend in that regard, but now my nail is so thin that it cannot even support an acrylic any longer. The acrylic pops off within a day. The nail is so thin that even putting small amounts of pressure on it is painful.*This is the middle finger on my left nail, and I will call it Finger1 throughout the review.Because it is SO thin I started with four layers of the Nail Aid keratin polish, using thin, even coats. My nail is not super strong yet obviously, but it does feel better than it did. It has only been one day though. I also painted the new growth on my other nails, which still have acrylics on them. I am hoping that as my nails grow out, if I keep using these products, I can simply stop using the acrylics, as the new growth should come in stronger and less prone to breaking if these products do as they claim.I am not currently using any nail polish, but this product feels like it would be a pretty good nail polish base. It's also nice and shiny, so you could use it for a top coat as well and I think it would look very nice.Nail Aid claims stronger nails in 3 days of use. That is a pretty tall order, so I will update on 4/28/24 (I applied on the 24th in the evening). I do not expect perfectly healed nails, but I will be happy with nails that I don't have to avoid touching. My nails are pretty much as bad as it gets, so I should be a pretty good test subject to review this product.As far as the strengthening cream goes, it says on the bottle that it can be used over nail polish, so I am taking the company at their word. I did put the cream on my natural nail the night before using the polish. Since then, I am using it over the polish, being sure to massage it into the cuticle and rubbing a bit underneath my fingernail, as instructed on the tub. It smells lovely, and there is a ton in the tub so it should last a good long time (a very little bit seems to go a long way). It takes a bit of time to absorb into your skin and nails but not too bad.First impression gets 5 stars, no issues so far and cautiously optimistic.UPDATE ON 4/27/24Updating a day early because I have been doing lots of heavy work this weekend and the polish peeled off. HOWEVER!Even as rough as I have been on my hands this weekend I have not felt like I needed to baby my fingers without acrylic on them. So my first parameter of "I want my nails to not hurt to the touch" definitely passes with flying colors, they feel so much less sensitive.The second reason I am doing this update now is that another acrylic popped off the nail next to Finger1 (henceforth referred to as Finger2, left ring finger). Visually they are not much different but, even with the Keratin polish peeled off, Finger1 is significantly stronger than Finger2. Finger2 is in the same papery thin and painful condition that Finger1 started out in a few days ago.The bottle does say to reapply every 3 days and I have been very hard on my hands this weekend, so I don't feel that the peeling is really a product defect, I think it's just to be expected. Perhaps not as good for a nail polish top coat like I originally thought though, it does seem to flake a bit.Next update on 5/1/24, which will be a full week of use.UPDATE 5/6/24So I did not wind up updating on the first because I have been horrendously sick for the past several days, but there's not a ton to update anyway. I don't notice a huge difference from my last update, so I'm just going to keep using and see how it goes along. I will update again after one month of use, so on or around 5/24/24.
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Top reviews from the United States

Reviewed in the United States on February 12, 2021
**black nail polish pics are for the initial (2/12) review, all french tip pics are for the updated 3/24 review posted below**
I've been using nail-aid for exactly one month today, and this review is to explain how I used it and what my results were. I should mention that my fingernails are typically weak, thin, and brittle, and it doesn't help that for the majority of the time over the past 20+ years, I've been wearing artificial nails. I removed the artificial nails a few days prior to the day I received it and clipped my natural nails down to about 1mm in length. So really there was only a sliver of white showing. My nails start growing about 2.5 mm in from my fingertips, some a little more and some a little less.
Since I've been using this product, there's been 3-5mm of growth. It's differed depending on the finger... not sure why. My thumbs, and the first finger on the right hand showed less growth. My pictures are both the right and left hand (how they look currently). Last week (week 3 of using nail-aid) I broke two fingernails off. This isn't because of the product. I have definitely noticed my nails are stronger and thicker than they were, and I feel like the two tips that broke off (first and middle fingers of my right hand) were more weak starting off than the others. I think they'll be much stronger when they grow out again. I broke about 2mm of length off the middle fingernail, and about 2.5 mm of growth from the first finger. I've also chipped the tips of both thumb nails and had to file down around 1mm of growth, so all of those nails are shorter in my photos than they were a week ago unfortunately. I wish that I had taken pictures then, so you at least could see the full amount of growth at three weeks. Aside from those fingers that I mentioned, I think you can get a good idea of what you can expect in just 4 weeks. I'm not sure if they are growing at a faster rate than other people's fingernails, but I can tell you that they're getting stronger.

One reason I've used fake nails for so long was because my natural nails have been so flimsy that I felt like I needed more sturdy nails that would just hold up to everyday life. Apparently they aren't that strong yet, but I haven't been able to grow my natural nails this long since I was in my early 20's. I went through two pregnancies in my twenties, and removed the fake nails because I assumed they'd grow with help of the prenatal vitamins I was taking every day. They grew a little, then they'd split and tear off in a recurring cycle each time. My nails didn't even get as long as they are now during either of those pregnancies. I really think this product is doing something. If it's not actually making my nails grow, I think it's at least making them stronger so they're not splitting and chipping off as easily, so I've been actually able to see some nail growth. I definitely think that this product supports nail growth by making nails stronger, and for the small price, I think it's a good value and that you can't go wrong giving it a try to see if it works for you.

One last thing I should mention is that I only used this product correctly the first week. You're supposed to apply two layers initially, then every 3 days apply another coat. Somehow I got it in my head that I had to remove it every three days and start over (applying two coats). So I've still been putting it on, but it may have worked even better had I been following the directions (that are on the package and even directly on the bottle in case you throw the package away). Oops. So I'm going to start using it correctly and see if that makes any difference at all. I'll update if there's a change. I hope this review has helped you!

3/24**Update**
I added 4 new photos to show the nail growth since 2/12. I took pics on 2/25, then again today 3/24. Unfortunately my right thumb keeps having accidents. It grows a decent amount and then I just end up being too rambunctious and I manage to break it off. I broke it completely off two weeks ago...and I mean it was down to the pink part, and part of the top layer on the corner even peeled off. Ugh. I'm confident that using this product will help it grow back. I just have to learn to be more careful with my right hand. Also, the first fingernail on my left hand was growing even faster than the others and II did clip just a little off of that one too make it match the others a little better. I also had to file down the first fingernail on the right hand again because well...I just have issues with that nail. The others you can see are clearly growing pretty well.
I don't have pictures of them, but I've been using this on my toenails too, and I'm super impressed with this stuff because for years (with the exception of the big toes on both feet), I only grow little slivers for toenails. I didn't even bother painting them because they were so little. I finally have enough of a toenail to paint and they look so cute!! I'm very happy with this stuff. Sorry about the collage pictures. I wanted to put them side by side so that you could compare, and it somehow cut my thumbs off in some of them. (You weren't missing much with the right thumbs since I'm constantly breaking them off. Lol!)
Customer image
5.0 out of 5 stars Nail Strengthener that supports nail growth!
Reviewed in the United States on February 12, 2021
**black nail polish pics are for the initial (2/12) review, all french tip pics are for the updated 3/24 review posted below**
I've been using nail-aid for exactly one month today, and this review is to explain how I used it and what my results were. I should mention that my fingernails are typically weak, thin, and brittle, and it doesn't help that for the majority of the time over the past 20+ years, I've been wearing artificial nails. I removed the artificial nails a few days prior to the day I received it and clipped my natural nails down to about 1mm in length. So really there was only a sliver of white showing. My nails start growing about 2.5 mm in from my fingertips, some a little more and some a little less.
Since I've been using this product, there's been 3-5mm of growth. It's differed depending on the finger... not sure why. My thumbs, and the first finger on the right hand showed less growth. My pictures are both the right and left hand (how they look currently). Last week (week 3 of using nail-aid) I broke two fingernails off. This isn't because of the product. I have definitely noticed my nails are stronger and thicker than they were, and I feel like the two tips that broke off (first and middle fingers of my right hand) were more weak starting off than the others. I think they'll be much stronger when they grow out again. I broke about 2mm of length off the middle fingernail, and about 2.5 mm of growth from the first finger. I've also chipped the tips of both thumb nails and had to file down around 1mm of growth, so all of those nails are shorter in my photos than they were a week ago unfortunately. I wish that I had taken pictures then, so you at least could see the full amount of growth at three weeks. Aside from those fingers that I mentioned, I think you can get a good idea of what you can expect in just 4 weeks. I'm not sure if they are growing at a faster rate than other people's fingernails, but I can tell you that they're getting stronger.

One reason I've used fake nails for so long was because my natural nails have been so flimsy that I felt like I needed more sturdy nails that would just hold up to everyday life. Apparently they aren't that strong yet, but I haven't been able to grow my natural nails this long since I was in my early 20's. I went through two pregnancies in my twenties, and removed the fake nails because I assumed they'd grow with help of the prenatal vitamins I was taking every day. They grew a little, then they'd split and tear off in a recurring cycle each time. My nails didn't even get as long as they are now during either of those pregnancies. I really think this product is doing something. If it's not actually making my nails grow, I think it's at least making them stronger so they're not splitting and chipping off as easily, so I've been actually able to see some nail growth. I definitely think that this product supports nail growth by making nails stronger, and for the small price, I think it's a good value and that you can't go wrong giving it a try to see if it works for you.

One last thing I should mention is that I only used this product correctly the first week. You're supposed to apply two layers initially, then every 3 days apply another coat. Somehow I got it in my head that I had to remove it every three days and start over (applying two coats). So I've still been putting it on, but it may have worked even better had I been following the directions (that are on the package and even directly on the bottle in case you throw the package away). Oops. So I'm going to start using it correctly and see if that makes any difference at all. I'll update if there's a change. I hope this review has helped you!

3/24**Update**
I added 4 new photos to show the nail growth since 2/12. I took pics on 2/25, then again today 3/24. Unfortunately my right thumb keeps having accidents. It grows a decent amount and then I just end up being too rambunctious and I manage to break it off. I broke it completely off two weeks ago...and I mean it was down to the pink part, and part of the top layer on the corner even peeled off. Ugh. I'm confident that using this product will help it grow back. I just have to learn to be more careful with my right hand. Also, the first fingernail on my left hand was growing even faster than the others and II did clip just a little off of that one too make it match the others a little better. I also had to file down the first fingernail on the right hand again because well...I just have issues with that nail. The others you can see are clearly growing pretty well.
I don't have pictures of them, but I've been using this on my toenails too, and I'm super impressed with this stuff because for years (with the exception of the big toes on both feet), I only grow little slivers for toenails. I didn't even bother painting them because they were so little. I finally have enough of a toenail to paint and they look so cute!! I'm very happy with this stuff. Sorry about the collage pictures. I wanted to put them side by side so that you could compare, and it somehow cut my thumbs off in some of them. (You weren't missing much with the right thumbs since I'm constantly breaking them off. Lol!)
Images in this review
Customer image Customer image Customer image Customer image Customer image Customer image
Customer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer image
571 people found this helpful
Report
Reviewed in the United States on March 26, 2024
I was looking for something that would help my nails grow and get stronger. I chewed my nails from the age of 3yrs old to about 19 yrs old and then because they always broke off I would wear fake nails, which consisted of glue ons, acrylic, the polygel, basically anything that I could. When I took the fake ones off the nail would be long but not strong and then it would break and looked tacky. I even went as far as getting manicures every 4 weeks thinking it would help, it didn't even help. I got this and within 20 days I love how my nails feel. I put the polish on every 3 days. My nails have never been this strong before. I will continue to use this until it is gone, and maybe buy more. The only thing I did not like is that it would chip or flake at times but it wasn't bad. I did give the flavor a 1 star because it smelt bad, but I wasn't going to taste it, if anyone else eats it I will take their word on the flavor.

The first pic was on March 6th, I put the first coat on, and the other pick is March 26th and I just too nail polish off so you can see how they have grown. I highly recommend this product.
Customer image
4.0 out of 5 stars Worth the money
Reviewed in the United States on March 26, 2024
I was looking for something that would help my nails grow and get stronger. I chewed my nails from the age of 3yrs old to about 19 yrs old and then because they always broke off I would wear fake nails, which consisted of glue ons, acrylic, the polygel, basically anything that I could. When I took the fake ones off the nail would be long but not strong and then it would break and looked tacky. I even went as far as getting manicures every 4 weeks thinking it would help, it didn't even help. I got this and within 20 days I love how my nails feel. I put the polish on every 3 days. My nails have never been this strong before. I will continue to use this until it is gone, and maybe buy more. The only thing I did not like is that it would chip or flake at times but it wasn't bad. I did give the flavor a 1 star because it smelt bad, but I wasn't going to taste it, if anyone else eats it I will take their word on the flavor.

The first pic was on March 6th, I put the first coat on, and the other pick is March 26th and I just too nail polish off so you can see how they have grown. I highly recommend this product.
Images in this review
Customer image Customer image
Customer imageCustomer image
32 people found this helpful
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Reviewed in the United States on May 5, 2024
I painted them almost a week ago now. They’ve lasted alright besides a few chips/peels. To be completely fair for work I have to wear rubber tight gloves sometimes for hours.

Not entirely sure if it grew my nails within 3 days, seems as though that’s a stretch. I used to bite my nails and stopped cold turkey in high school (5+ years now). I think it’s a mixture of taking the proper supplements (vitamin E, Biotin, and Collagen), using cuticle oil (I recommend jojoba but I also buy a handmade one off of Etsy w rose petals), and lotion! I use a metal cuticle pusher, a glass nail file and cuticle clippers to get rid of hang nails.
Customer image
5.0 out of 5 stars Decent longevity
Reviewed in the United States on May 5, 2024
I painted them almost a week ago now. They’ve lasted alright besides a few chips/peels. To be completely fair for work I have to wear rubber tight gloves sometimes for hours.

Not entirely sure if it grew my nails within 3 days, seems as though that’s a stretch. I used to bite my nails and stopped cold turkey in high school (5+ years now). I think it’s a mixture of taking the proper supplements (vitamin E, Biotin, and Collagen), using cuticle oil (I recommend jojoba but I also buy a handmade one off of Etsy w rose petals), and lotion! I use a metal cuticle pusher, a glass nail file and cuticle clippers to get rid of hang nails.
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Customer imageCustomer image
2 people found this helpful
Report
Reviewed in the United States on April 25, 2024
I recently went through a health issue that severely affected my nails. They became super brittle and no matter how long I let them grow out, no matter what I ate, multivitamin I took, or other topical treatment I used, they continued to be brittle and broke and the slightest provocation. I used Sally Beauty nail growth polish, but it didn't make any difference. All of my nails were broken down to the quick and I couldn't keep them growing without them splitting. After a few months of trying different products I bought this stuff and just using it once overnight made a huge difference. It's been about a week and I reapplied once so far. I haven't had a broken or split nail since and they're all noticeably thicker as they're finally beginning to grow out again. Highly recommend.
8 people found this helpful
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Reviewed in the United States on May 7, 2024
My nails are noticably stronger and have been growing much faster!! I have completely converted to only using this treatment, and no color. It's that good. It leaves a tiny shine that makes your nails look good. I have always dreamed of having nice nails but mine were always so brittle and broke so easily, but I have noticed a tremendous change while using this. I swear by it, I have put my friends onto it. I would recommend 3 weeks using this without any additional polish to see results!!

Top reviews from other countries

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Sofia Macias
5.0 out of 5 stars Efectivo en corto tiempo
Reviewed in Mexico on May 7, 2024
Desde la primera vez que lo usé sentí mucho más duras las uñas, de rompen menos y las que se llegan a romper se restauran rápido. Hay que dejar que se absorba una capa y luego poner otra. Con una no queda.

Es buena base y me ha durado más el esmalte
Susan B
5.0 out of 5 stars Great Product
Reviewed in Canada on May 3, 2024
I have bought many different 'Nail Aids". My nails seem to start to peel and break in the winter. My nails will peel a good 3 mm into the nail bed. Then when they start to grow, they'll just break because they're so soft. Now this stuff claims '3 days' and I'm not sure I agree with that, but I'm about a week and a half into this, and I put it on daily. The peeling has stopped and I am getting a bit of growth. I'm hoping as the bad peeling and soft nails come out that this will keep the strength going. It would be easy enough to use as a base or top coat.
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Quillet
5.0 out of 5 stars Facile dutilisation
Reviewed in France on May 2, 2024
Marche bien
allyson Guerreiro
5.0 out of 5 stars Great product
Reviewed in the United Kingdom on April 25, 2024
Used it as base and top coat with a non gel layer of colour in between. Usually the colour stay intact less than 24 hours.
3 days on and still perfect.
To info I work at Amazon, so my nails go through a lot.
Added a layer today as the instruction recommand. Way too early for growth. But my nail are well protected so I good hope
Florence
5.0 out of 5 stars Fin qui tutto bene
Reviewed in Italy on February 5, 2024
Fin qui tutto bene.
Lo sto usando da poco tempo, ma è davvero sorprendente. Sembra creare questa barriera molto solida che finora impedisce alle mie unghie e/o allo smalto di scheggiarsi. Non vedo ancora una crescita, ma accadrà. Molto, molto contento.

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