Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack

Does a great job. Always use as first coat. Don't use as top coat. You can use regular polish.

It really does fill in ridges. Highly recommend.

The only reason I did not give this product 5 stars overall is that while it does a very good job filling the smaller ridges, the deeper ridges are somewhat visible, but much better than without the ridge filler. It dries quickly and is a good basecoat for color lasting one week between manicures. I am overall satisfied with the product and will continue using it. As an additional comment, Nailtek products are very good value for the price.

I rarely write reviews but this product deserves one. I have terrible nails; that’s why I started wearing acrylic ones. It was exciting to have beautiful nails for the first time in my life! I was hooked. After about 20 years I got tired of going every two weeks to have either a fill in or new set. I also got tired of paying so much. I decided to take a break and let my nails grow back as they were totally destroyed. It took an entire year but they finally grew out. I went back to acrylic and that lasted only one month. I had destroyed my nails again and couldn’t keep up with the process. They are about halfway through the growing out phase and I have been trying every ridge filler being sold. Nothing has pleased me until I found NAIL TEC #4. This stuff is amazing! It fills in all the pealed areas of my nails and leaves a very natural look. It gives my nails the strength not to bend and further peal. I hove renewed hope now with NAIL TEC #4. Try it out. : ). : j

I was looking for a good ridge/nail filler. I always had long, thick, healthy nails. After having my daughter my nails got pretty weak, growing to a certain length then breaking. I found this ridge filler, got it TODAY and used it immediately. My nails look so smooth and nice, the ridging in them is completely filled. Since it's only been a day, I can't attest to how well it'll help them grow/keep them from breaking, but u have a good feeling it'll help!

After removing my acrylics this is THE only product that makes my nails stronger because they are so thin and sore. This ridge filler is A MUST because it starts to strengthen your nails on its own. Then use the strengthener over top for 7 days (at least) and your nails are already harder and stronger. I continue using the strengthener until it starts to lift a little, then I repeat the process. I tried only using the strengthener on its own, BUT IT DOES NOT WORK. Trust me, get the ridge filler to use first and you’re on your way to healthy nails. They also make different formulas for different nail concerns.

Used to be a good product but does not work as well as it did years ago would not purchaseUsed to be a good product but does not work as well as it did years ago would not purchase again

Hard to get off with regular nail polish

Loved it , works wonderfully

Great and it keeps my nails strong

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I would not buy this or advise anyone to buy, because it has formaldehyde in it. The bottle says, don’t let touch skin, causes cancer. So if you buy anyway, it’s non-refundable , so you are throwing your money away .

Used to improve mail health.. When used and hands used soap detergent, my nails went blue. Not impressed. If I was not out of the country after receiving I would return it for a full refund. Unfortunately When it arrived I used it once in prep of my trip. Very disappointing.