Description KOST Calcium Gel Hardener – Strength & Protection for Weak Nails Transform fragile, breakage-prone nails with KOST Calcium Gel Hardener, a strengthening treatment designed to reinforce, protect, and restore the natural beauty of your nails. Infused with calcium-rich ingredients, this hardener builds resilience and durability, reducing the risk of splitting, peeling, and chipping. Its gel-effect formula creates a protective shield over the nail surface, locking in strength while leaving behind a smooth, glossy finish. Lightweight yet effective, it works both as a treatment and a base coat, preparing your nails for flawless polish application. With regular use, nails feel stronger, healthier, and more resistant to daily stress. The easy-glide brush ensures even coverage in a single stroke, making application quick and effortless. Ideal for anyone struggling with thin, soft, or weakened nails, KOST Calcium Gel Hardener helps you achieve salon-quality results at home while improving long-term nail health. ✅ Key Benefits Strengthens weak and fragile nails Calcium-enriched formula for resilience Creates a protective, glossy shield Helps prevent splitting, peeling, and chipping Works as both a treatment and a base coat Easy application with precision brush How to Use Apply one coat directly onto clean, dry nails.For best results, use 2–3 times per week.Can be used alone for a natural look or as a base coat under nail polish. Related
