--- product_id: 6343827 title: "Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz)" brand: "nutra nail" price: "€ 20.72" currency: EUR in_stock: true category: "Nutra Nail" url: https://www.desertcart.gr/products/6343827-nutra-nail-invisible-flex-nail-hardener-clear-gel-top-coat store_origin: GR region: Greece --- # Instant hardening for weak nails Mineral-infused nail health boost Break-resistant flexible shield Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) **Brand:** nutra nail **Price:** € 20.72 **Availability:** ✅ In Stock ## Summary > 💅 Flex your strength with invisible armor—because your nails deserve the best! ## Quick Answers - **What is this?** Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) by nutra nail - **How much does it cost?** € 20.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/6343827-nutra-nail-invisible-flex-nail-hardener-clear-gel-top-coat) ## Best For - nutra nail enthusiasts ## Why This Product - Trusted nutra nail brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Strength Boost:** Transforms fragile, thin nails into resilient powerhouses that resist splitting, peeling, and tearing from day one. - • **Unbreakable Flex Armor:** A breathable acrylic layer that flexes with your nails, delivering chip-free gel shine and ultimate durability. - • **Nourish While You Shield:** Infused with essential minerals that repair and restore, this hardener doesn’t just protect—it revitalizes. - • **Dual-Action 2-in-1 Formula:** Use as a base coat and top coat for a double dose of strength and shine, perfect for both damaged and healthy nails. - • **Effortless Application, Lasting Results:** Quick-dry gel formula glides on smoothly, creating a transparent armor that keeps nails flawless through your busiest days. ## Overview Nutra Nail Invisible Flex Nail Hardener is a clear gel top coat designed to protect and strengthen brittle nails instantly. Its breathable, flexible acrylic formula creates a chip-resistant shield while infusing nails with minerals that promote health and repair. Ideal for thin, fragile nails, it works as both a base and top coat to deliver lasting durability and a glossy finish. ## Description desertcart.com : Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) | Instant protective Coat & Restorative Shield for Brittle, Damaged Nails, Flexible Hold : Nail Strengthening Products : Beauty & Personal Care ## Features - Break-Resistant, Flexible Shield­ - This clear polish Flex Hardener is a breathable acrylic layer that coats nails with transparent armor for chip-free gel shine. Lightweight but mighty, this treatment creates an extra-strong shield that absorbs nail trauma from everyday activities - Instant Protection for Weak Nails - Nutra Nail Invisible Flex hardener is designed for those with thin nails that break easily. This fragile nail treatment immediately hardens nails, and prevents them from splitting, tearing, peeling, and more - Improves Nail Health - Our formula is more than just a strengthener! Nutra Nail Invisible Flex Hardener is infused with minerals that play a key role in nail health. So, while our professional nail armor defends against daily damage, it supplies crucial nutrients that repair, restore, and protect nails - 2-in-1 Protective Layer - Reinforce your nail health by using this nail hardener to support brittle, damaged nails or increase the strength of healthy nails; apply as a base coat for standard protection and follow up withthe clear lacquer top coat for an extra strengthening coat - How to Use - Apply to clean, dry nails from base to tip, and over edges. Let nails dry and repeat. If using with color polish, apply flex-shield nail hardener as a base coat and top coat ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CXK3ZFM | | Best Sellers Rank | #168,938 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #204 in Nail Strengtheners | | Brand | Nutra Nail | | Brand Name | Nutra Nail | | Customer Reviews | 4.4 out of 5 stars 332 Reviews | | Global Trade Identification Number | 30018515124495 | | Item Form | Gel | | Item Weight | 58 g | | Liquid Volume | 0.5 fluid ounces | | Manufacturer | EMCW9 | | Manufacturer Part Number | 30018515124495 | | Model Number | 12449 | | Number of Items | 1 | | Size | 0.5 Fl Oz (Pack of 1) | | Specialty | Repair,Damaged,Strengthener,Hardener | | UPC | 018515124494 787734562058 773490442475 | ## Product Details - **Brand:** Nutra Nail - **Item Form:** Gel - **Item Weight:** 58 g - **Liquid Volume:** 0.5 fluid ounces - **Specialty:** Repair,Damaged,Strengthener,Hardener ## Images ![Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) - Image 1](https://m.media-amazon.com/images/I/71d4u3wisOL.jpg) ![Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) - Image 2](https://m.media-amazon.com/images/I/71yanXPyagL.jpg) ![Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) - Image 3](https://m.media-amazon.com/images/I/71mfGlRuvFL.jpg) ![Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) - Image 4](https://m.media-amazon.com/images/I/71MVU4vb9kL.jpg) ![Nutra Nail Invisible Flex Nail Hardener, Clear Gel Top Coat (05 fl oz) - Image 5](https://m.media-amazon.com/images/I/81IJWOXX0yL.jpg) ## Questions & Answers **Q: is this item absorbed by the nail?** A: Anything you put on your nail is likely "absorbed" ! I've used Nutranail Flex-Shield Nail Hardener over a year without any problems/side effects.! I'm super sensitive to a wide range of ingredients with NO PROBLEMS. It is the BEST nail hardener on the market!!!! I use it as a BASE COAT & TOP COAT. MY MANICURES LAST EASILY UP TO 14 DAYS!!!!!!!!!!!!!!!!!!!!!!! **Q: Can finger nail polish remover take it off?** A: I think so. I don't remove it from my nails, I just polish over it **Q: Can you use it as a top coat** A: Yes, I always use two thin coats on top of my nail polish and I can usually go at least one week between polishing. **Q: Does this have any shine or color to it? It’s for my husband’s nails, and I don’t think he would appreciate a nail polish look.** A: It doesn't have any color there is a slight shine ## Frequently Bought Together - Nutra Nail Invisible Flex Hardener – Instant Protective & Restorative Clear Gel Top Coat Shield for Brittle, Damaged Nails - 0.5 Fl Oz - Nutra Nail Triple Power Gel Treatment – Instant 3-in-1 Protective, Nourishing & Strengthening Lacquer for Weak Nails - Onyx Professional Hard as Hoof Nail Strengthening Cream with Coconut Scent, Nail Growth & Conditioning Cuticle Cream Stops Splits, Chips, Cracks & Strengthens Nails, 1 oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/6343827-nutra-nail-invisible-flex-nail-hardener-clear-gel-top-coat](https://www.desertcart.gr/products/6343827-nutra-nail-invisible-flex-nail-hardener-clear-gel-top-coat) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-30*