Diego Dalla Palma Hardening Base Coat - 201 is a professional nail base coat formulated to strengthen and protect natural nails while providing a smooth foundation for polish application. Enriched with nourishing ingredients such as vitamin E, calcium, and keratin, it fortifies weak, brittle nails and prevents chipping, splitting, or peeling. The quick-drying, lightweight formula ensures long-lasting wear and enhances nail polish adhesion for a flawless finish. Ideal for all nail types, it creates a protective barrier, promotes healthy nail growth, and maintains a strong, resilient, and polished appearance, making it a must-have for professional or home manicures.