--- product_id: 167111853 title: "Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack" brand: "nail tek" price: "€ 54.17" currency: EUR in_stock: true category: "Nail Tek" url: https://www.desertcart.sk/products/167111853-foundation-xtra-4-ridge-filling-strengthening-base-coat-for-weak store_origin: SK region: Slovakia --- # Fills ridges for ultra-smooth nails Strengthens weak nails by 40%+ 0.5 oz concentrated formula per bottle Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack **Brand:** nail tek **Price:** € 54.17 **Availability:** ✅ In Stock ## Summary > 💅 Elevate your nail game—because weak nails are so last season! ## Quick Answers - **What is this?** Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack by nail tek - **How much does it cost?** € 54.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/167111853-foundation-xtra-4-ridge-filling-strengthening-base-coat-for-weak) ## Best For - nail tek enthusiasts ## Why This Product - Trusted nail tek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Action Formula:** Use as a base or top coat to both protect and perfect your manicure with salon-quality finish. - • **Anti-Yellowing Shield:** Prevents polish stains and enhances adhesion for a flawless, long-lasting look. - • **Fast-Track Nail Rehab:** Concentrated formula accelerates repair of severely weak nails, making them visibly stronger and smoother. - • **Power-Packed Strength:** Unique blend of micro-fibers and conditioners fortifies fragile nails for lasting resilience. - • **Natural & Clean Beauty:** Cruelty-free, DBP- and Toluene-free formula trusted by salon pros for healthy nail restoration. ## Overview Nail Tek Foundation Xtra 4 is a professional-grade ridge-filling base coat designed to restore and strengthen weak, damaged nails. This concentrated, all-natural formula combines strengtheners, micro-fibers, and conditioners to fill ridges, prevent yellowing, and promote healthy nail growth. Ideal for use as both a base and top coat, it delivers a salon-quality finish while accelerating nail repair. Cruelty-free and free from harmful chemicals, it’s the go-to treatment for millennials seeking durable, flawless nails. ## Description desertcart.com : Nail Tek Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack : Beauty & Personal Care ## Features - Restore & Strengthen Nails: This unique base coat is a special blend of strengtheners, conditioners, micro-fibers, and natural fillers that help strengthen natural nails, fill ridges and restore fragile, damaged nails to their perfect health and shape! - Concentrated All Natural Formula: Its concentrated formulation gives the extra strength necessary to correct severe nail weakness. Use this to correct severe weak nails and apply in conjunction with Foundation 4 to achieve fast and maximum results! - Multipurpose Nail Ridge Filler: Apply this as a base coat to make your nails significantly stronger and flawlessly beautiful, or use this as a top coat to achieve that salon-quality nail polish finish while promoting stronger and healthy nail growth! - Easy-to-use Anti-yellowing Base Coat: To use, simply apply one coat before applying your favorite nail polish for superior polish adhesion, protection from yellowing stains, and an ultra-smooth nail surface. - Award-Winning Nail Therapy & Made in the USA: Nail Tek has been voted as “Best Natural Nail Treatment” by Salon Professionals! This pro-approved nail strengthener is 100% cruelty-free, DBP-free, and Toluene-free, perfect for restoring natural nails from damage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07X5RWV8T | | Best Sellers Rank | #128,637 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #182 in Nail Strengtheners | | Brand | Nail Tek | | Brand Name | Nail Tek | | Customer Reviews | 4.5 out of 5 stars 152 Reviews | | Global Trade Identification Number | 70709967558171 | | Item Form | Gel | | Item Weight | 1 Ounces | | Liquid Volume | 0.5 Fluid Ounces | | Manufacturer | American International Industries | | Manufacturer Part Number | 55817 | | Model Number | 55817 | | Number of Items | 2 | | Size | 0.5 Fl Oz (Pack of 2) | | Specialty | Damaged,Growth,Strengthening,Strengthener,Healthy | | Unit Count | 1 Fluid Ounces | ## Product Details - **Brand:** Nail Tek - **Item Form:** Gel - **Item Weight:** 1 Ounces - **Liquid Volume:** 0.5 Fluid Ounces - **Specialty:** Damaged,Growth,Strengthening,Strengthener,Healthy ## Images ![Foundation Xtra 4, Ridge Filling Strengthening Base Coat for Weak and Damaged Nails, 0.5 oz, 2-Pack - Image 1](https://m.media-amazon.com/images/I/614+WNTCLaL.jpg) --- ## 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.sk/products/167111853-foundation-xtra-4-ridge-filling-strengthening-base-coat-for-weak](https://www.desertcart.sk/products/167111853-foundation-xtra-4-ridge-filling-strengthening-base-coat-for-weak) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-28*