---
product_id: 145823493
title: "Si-Nails Strengthening & Hardening Nail Serum Treatment, 0.08 fl oz"
brand: "isdin"
price: "€ 85.05"
currency: EUR
in_stock: true
category: "Isdin"
url: https://www.desertcart.hr/products/145823493-si-nails-strengthening-and-hardening-nail-serum-treatment-0-08
store_origin: HR
region: Croatia
---

# Fast-absorbing gel formula Hydrates cuticles with cationic hyaluronic acid Increases nail strength by up to 30% Si-Nails Strengthening & Hardening Nail Serum Treatment, 0.08 fl oz

**Brand:** isdin
**Price:** € 85.05
**Availability:** ✅ In Stock

## Summary

> 💅 Elevate your nail game—because strong nails mean strong impressions!

## Quick Answers

- **What is this?** Si-Nails Strengthening & Hardening Nail Serum Treatment, 0.08 fl oz by isdin
- **How much does it cost?** € 85.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/145823493-si-nails-strengthening-and-hardening-nail-serum-treatment-0-08)

## Best For

- isdin enthusiasts

## Why This Product

- Trusted isdin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Travel-Ready:** 0.08 fl oz sleek design fits perfectly in your professional on-the-go kit
- • **Mineral & Keratin Boost:** Silanediol salicylate and pistacia lentiscus gum promote essential nail minerals and keratin
- • **Next-Gen Hydration Tech:** Enhanced cationic hyaluronic acid deeply moisturizes cuticles for a healthy glow
- • **Dermatologist-Approved Formula:** Trusted by skin experts for safe, effective nail care
- • **Power-Packed Nail Fortification:** Clinically tested to boost nail durability and reduce brittleness

## Overview

ISDIN Si-Nails Strengthening & Hardening Nail Serum is a dermatologist-recommended, fast-absorbing gel treatment formulated with silanediol salicylate and cationic hyaluronic acid to strengthen brittle nails, promote keratin production, and deeply hydrate cuticles. Developed in Spain, this compact 0.08 fl oz serum is designed for professionals seeking durable, healthy nails with visible results.

## Description

desertcart.com: ISDIN Si-Nails Strengthening & Hardening Nail Serum Treatment, 0.08 fl oz | Cationic Hyaluronic Acid, Fast Absorbing, Hydrates Nails & Cuticles, Nail Growth & Strength, Dermatologist Recommended : Beauty & Personal Care

## Features

- YOUR SOLUTION FOR: brittle or weak nails
- TESTED: Increases nail strength and durability while helping to repair brittle nails and reduce roughness
- TECHNOLOGY: Silanediol salicylate promotes silicon, one of the predominant minerals in the nail, while pistacia lentiscus gum promotes keratin, an essential component to strong and healthy nails. Cationic hyaluronic acid, an enhanced version of one of the most well known moisturizers in the world, which promotes cuticle moisturization.
- DEVELOPED IN: Spain

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07T6J98TT |
| ASIN  | B07T6J98TT |
| Best Sellers Rank | #17,566 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #34 in Nail Strengtheners |
| Brand Name | ISDIN |
| Customer Reviews | 4.0 4.0 out of 5 stars (2,454) |
| Department  | womens |
| Is Discontinued By Manufacturer  | No |
| Item Form | Gel |
| Item Weight | 0.02 Kilograms |
| Liquid Volume | 2.5 Milliliters |
| Manufacturer | ISDIN |
| Manufacturer  | ISDIN |
| Manufacturer Part Number | 690017415 |
| Number of Items | 1 |
| Product Dimensions  | 1.61 x 1.14 x 5.67 inches; 0.63 ounces |
| Size | 0.08 Fl Oz (Pack of 1) |
| Specialty | Strengthener |

## Product Details

- **Brand:** ISDIN
- **Item Form:** Gel
- **Item Weight:** 0.02 Kilograms
- **Liquid Volume:** 2.5 Milliliters
- **Specialty:** Strengthener

## Images

![Si-Nails Strengthening & Hardening Nail Serum Treatment, 0.08 fl oz - Image 1](https://m.media-amazon.com/images/I/61Upc4sH6BL.jpg)

## Questions & Answers

**Q: Can I use Si-Nails on top of nail polish or gel?**
A: Si-Nails is not designed for use on top of a polish or a gel. It should always be applied directly to bare nails that are clean and dry.

**Q: How long do I need to use Si-Nails for?**
A: Results can be seen in as little as 14 days. However, it depends on the condition of your nails before starting Si-Nails nail strengthening treatment. The condition of your nails will improve with extended use.

**Q: The first time I used Si-Nails, I didn’t see any product come out. How do I start using it correctly?**
A: Before using Si-Nails for the first time, activate the click pen by pressing down on the click button at least 25 times, until the applicator is moistened. This will activate the flow and you will be able to start using Si-Nails.

## Frequently Bought Together

- ISDIN Si-Nails - Fast Absorbing Nail Strengthening and Hardening Serum for Nail Durability in Thin Nails, made with Cationic Hyaluronic Acid 0.08 FL OZ
- Onyx Professional Hard as Hoof Nail Strengthening Cream with Coconut Scent, Nail Growth & Conditioning Cuticle Cream Stops Splits, Chips, Cracks & Strengthens Nails, 1 oz
- OPI Repair Mode Bond Building Nail Serum | Keratin Protein Nail Strengthening Treatment | For Stronger Nails & Nail Growth

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**Shop now:** [https://www.desertcart.hr/products/145823493-si-nails-strengthening-and-hardening-nail-serum-treatment-0-08](https://www.desertcart.hr/products/145823493-si-nails-strengthening-and-hardening-nail-serum-treatment-0-08)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-24*