Nail Tek Xtra 4, Nail Strengthener for Weak and Damaged Nails, 0.5 oz, 1-Pack
Condition: New
Checking for product changes
Buy Now, Pay Later
As low as
$3
/ mo
Learn more
- – 4-month term
- – No impact on credit
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
Free shipping on this product
Non-returnable item
Learn more
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Availability:
In Stock.
Arrives
Jul 19 – Jul 24
Recently Viewed
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
Features
- Keep your thin nails strong and protected! Nail Tek Xtra 4 is a highly effective treatment designed for nails resistant to conventional therapies. Use this concentrated formulation to provide extra strength to your nails and to correct very severe nail weakness.
- Repair your nails! This salon-grade nail coat is a unique blend of essential oils and moisturizers combined with effective, natural ingredients while it restores, protects, and maintains damage-free cuticles and nails.
- Prevent nails from peeling, cracks, chips, and unsightly ridges! This product has brought forth a way to apply calcium to the nails. Nail Tek Xtra 4 nail builder ensures top-tier effectiveness which promotes firm stronger nails that you can work with any time, any day.
- Provide natural nail nourishment! Nail Tek Xtra 4 nourishes and conditions the nails. It stimulates and works on the root of the nail from which it grows. Receive countless compliments on how beautiful your nails look with Nail Tek Xtra 4!
- Made in the USA and Award-winning! NailTek is voted as Best Natural Nail Treatment by Salon Professionals! The go-to brand for products that treat, shape, and strengthen natural nails as well as beautify hands. All products are 100 % cruelty-free to deliver naturally improved nail results!
Brand: Nail Tek
Item Form: Gel
Item Weight: 1.76 ounces
Liquid Volume: 15 Milliliters
Specialty: Repair,Damaged,Strengthener
Is Discontinued By Manufacturer : No
Product Dimensions : 1.5 x 1.5 x 3 inches; 1.76 ounces
Item model number : NK14000
UPC :
Manufacturer : American International Industries
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 19 – Jul 24
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: 0.5 Fl Oz (Pack of 2)
Color: Strengthener Xtra 4
Doesn't chip!! I do use couple of coats. My nails are thin have ridges and some cracks. They are growing!!
Reviewed in the United States on June 2, 2025 by Lucy
Size: 0.5 Fl Oz (Pack of 2)
Color: Strengthener Xtra 4
This is very hard wearing and stays on for a long time. Easy to build up a couple layers for extra strength. I have tried several of this type product but this is the best by far.
Reviewed in the United States on May 18, 2025 by Jo K.
Size: 0.5 Fl Oz (Pack of 2)
Color: Strengthener Xtra 4
I grow my own nails with the help of this NailTek! I've used this product for years and recommend it to anyone who wants to go natural. It works very well and quickly. I use it as a treatment and as a basecoat. I go through phases when my nails are really good, then I use it as my basecoat. When my nails go through a rough phase, I use it everyday as the direction indicate. There are different formulas but I just use the extra and cover all the bases! Excellent product and this is an exceptional deal! At my local beauty store this bottle is nearly $15, here I basically get 2 bottles for that price! A bottle will easily last 6 to 8 months.
...
show more
Reviewed in the United States on April 6, 2025 by Kindle Customer
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
I recently had my artificial nails that I’ve had for many years removed. My original nails were left looking a horrible mess and I had no idea what to do. I decided to try this product and I was pleasantly surprised with the results. After several coats over 2 days it filled in the ridges and left my nails with a high glossy finish. I would definitely recommend this product to anyone looking for something to help repair badly damaged nails. I wish I had taken pics before applying, however I’m posting pictures after using for 2 days. My reason for the 4 star review is because the odor is quite strong.
...
show more
Reviewed in the United States on January 20, 2025 by Tracy Tracy
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
A great polish for weak nails as it does strengthen them.
Reviewed in the United States on April 4, 2025 by Patricia
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
I was pleased with his product as worked well for me. However I found that as the bottle empties to about 2/3rds full it becomes very thick and would not spread evenly on my nails. Hence a 3 star for waste as I had to throw away 1/3 of the bottle.
Reviewed in the United States on September 5, 2024 by Utah Nomad
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
There is a warning on this due to formaldehyde, but when you actually look at the research it’s formaldehyde GAS that is the cancer concern. And it has to be in large, consistent dosages. I definitely don’t want to be exposing myself knowingly to a real risk, but I don’t believe this is applicable here. I have a masters degree in environmental science as well so I’m not just oblivious to chemistry and biology. A tonnnnn of products have formaldehyde in them, but CA is the only state with warnings on it. Unfortunately the warnings are sweeping and not based of the physical state or administration of products. Cigarette smoke contains a TON of formaldehyde btw. In a gaseous state, which is the cancer causing form of this chemical. Yet here we are.
...
show more
Reviewed in the United States on November 9, 2024 by carsd89
Size: 0.5 Fl Oz (Pack of 1)
Color: Strengthener Xtra 4
Keep your nails painted, daily. Use remover after a few days then paint them again. It's a bit of an inconvenience but I'll be darned if it doesn't work! I can always grow my nails long but this actually kept them long and not break
Reviewed in the United States on February 22, 2025 by Perfectly Awful. No "shiny" red, plastic matte. Less useless than cat food. Plenty cheap form, absolutely no function. It just mauls labels on cans, and yes at my age i know how to use a can opener. You need the knife sharpener bc that's how desperate you'll be to open the can. Wish I'd have read the reviews.