Strengthens your nails with easy application and an invisible finish. Thanks to its unique combination of ingredients, ISDIN SI-NAILS® hydrates and protects your nails, while also boosting keratin and silicon. Visible results in 14 days.

Nail strengthening serum specifically designed to improve natural appearance of nails with an invisible finish and easy application. Thanks to its combination of active ingredients, it promotes nail growth and increases resilience, helping prevent breakage. Featuring cationic hyaluronic acid, it also hydrates the cuticles. Visible results in 14 days.

COMPOSITION

Cationic hyaluronic acid: Significant adhesion potential to hair, skin, and nails maintains its hydration capacity for a longer time

Pistacia lentiscus gum (Pistacia Lentiscus): Promotes keratin, an essential component for strong, hard, and healthy nails

Organic silicon: Easily penetrates the nail surface, promoting growth and overall nail health

HOW TO USE 

Apply every day onto unpainted, clean, and dry nails. Brush product onto cuticles and nail edges. Apply in vertical strokes across entire nail surface. If possible, also brush the product underneath your nail.