- ISDIN Si-Nails is a nail strengthener in a 2.5ml format, designed to harden, hydrate, and promote the growth of nails and cuticles - Its 3-in-1 formula repairs, protects, and cares for both fingernails and toenails - Visible results in just 14 days with daily use - Easy and precise application thanks to its click dispenser and special brush - Fast absorption, leaving no residue or discoloration on the nails - Deeply hydrates, preventing dryness and improving the appearance of nails - Compatible with nail polish, ideal for manicure and pedicure routines - Recommended to strengthen fragile, brittle, or damaged nails - Includes ingredients such as hyaluronic acid and mastic gum for complete care