ISDIN Si-Nails is an innovative nail growth formula that has been clinically proven to strengthen brittle nails by increasing thickness, density, and durability of the nail and cuticle.
Visible results in just 14 days.
Benefits

Improves nail hardness and flexibility
Si-Nails is a fast-absorbing serum nail strengthener which uses a unique combination of effective ingredients to promote healthy, strong nails.
Strength: Increases nail strength and durability while helping to repair brittle nails and reduce roughness.
Growth: Promotes keratin and silicon in the nails to help improve growth, and overall quality.
Moisture: Hydrates the nails and cuticles, moisturizing the entire nail structure to keep nails supple and flexible