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💅 Unlock your nails’ full potential—because strong nails mean strong impressions.
ISDIN SI-NAILS is a cutting-edge nail strengthener featuring cationic hyaluronic acid in a convenient 2.5ml gel pen. Clinically proven to improve nail thickness, density, and durability within 28 days, it transforms brittle nails into hydrated, resilient, and attractive ones with just a daily nighttime application.


















| ASIN | B07T6J98TT |
| Best Sellers Rank | #71,636 in Beauty ( See Top 100 in Beauty ) #382 in Nail Care Products |
| Brand | ISDIN |
| Brand Name | ISDIN |
| Customer Reviews | 4.1 out of 5 stars 2,385 Reviews |
| Item Form | Gel |
| Item Weight | 0.02 Kilograms |
| Item form | Gel |
| Item weight | 0.02 Kilograms |
| Liquid Volume | 2.5 Milliliters |
| Liquid volume | 2.5 Milliliters |
| Manufacturer | ISDIN |
| Manufacturer Part Number | 690017415 |
| Number of Items | 1 |
| Size | 2.5 ml (Paquete de 1) |
| Specialty | Strengthening Brittle Nails |
| Unit Count | 1.0 Count |
S**H
غريب
نتيجه بطيئه مو نفس اول واحد شريته
L**F
Amazing results!
This stuff was literally an answer to prayer! HIGHLY RECOMMEND! I had been struggling with thin, peeling nails for over a year. I had back-to-back surgeries and my dermatologist told me my damaged nails were probably a result of the anesthesia. (I've never done regular manicures and very rarely polish or gel, so I couldn't blame that.) My nails were so thin they hurt and they would continually split and peel no matter how much I used nail strengthening treatments or polishes. I was at my wits end and tried ordering ISDIN as a last resort. I thought it was a little expensive at the time, but now I believe it was worth every penny! I keep an extra tube on hand now so I never run out. The product and brush are so easy to use. In the beginning I applied it twice a day but tried to keep using it at least once a day for two months. Now that my nails have improved I use it about every 1-2 days. The product is easy to apply and dries and disappears very quickly. I was worried it would be messy and sticky but it is not at all. Sometimes it takes one click per nail to get it going, but sometimes one click will treat a few fingers. A little goes a long way and you will get the feel of it. The product does take time to work. It was 2 months before I had a complete nail grow out without peeling. They are strong now but I am still careful to not use my nails as "tools" so that I don't break them. I still have a split on my thumbnail but I believe it will grow out as long as I am careful and keep applying the product every few days. I will say my nails are a little "ridged" and I don't know if that's just my nails or a result of the product, but it is a small price to pay for strong nails and I can just buff them down smooth. The photos you see are: 1. at the beginning of use, 2. after 6 weeks of using the product, and 3. at 2 1/2 months (they do grow longer but I like to keep them short) Don't hesitate! Buy this product!
A**N
Llegó a tiempo.
Llegó a tiempo y bien empaquetada. Es de uso muy práctico. Apenas la estoy usando pero en la uña comienza a notarse un cambio. Sin embargo falta tiempo de uso para especificar si en verdad funciona o no.
U**R
It Works! Nail Health Improved Almost Immediately
I wish I had thought to take "before" pics for this review. For years, my nails have been an embarrassment. The nails were brittle and would just rip apart if they grew past my nail bed. The top layer would peal back. If I was out with a group of people I would try to keep my fingers hidden. Sometimes, I notice women looking at them. Ugh, what an embarrassment. I finally went to a dermatologist who ran some tests. Results... my body is no longer storing "zinc", which promotes strong nails and hair growth. She immediately recommended this product. After using one pen, you can see in the pics that my nails look pretty healthy and are growing again. I'm so relieved that I just needed to write this review. If you are experiencing these types of issues with your nails, see your doctor, but also, give this product a try!
M**O
Si es efectivo
Espectacular producto
Trustpilot
2 weeks ago
1 week ago