ISDIN SI-Nails Serum

ISDIN SI-Nails is a powerful strengthening serum formulated with silicon to repair weak, brittle nails and promote healthy, resilient growth. This fast-absorbing treatment penetrates deep into the nail structure to restore strength, flexibility, and natural shine—delivering visible results in as little as 14 days.

What It Does

This advanced silicon-based formula works at the cellular level to reinforce the nail matrix and improve structural integrity. By delivering essential nutrients directly to the nail bed, SI-Nails helps repair damage from environmental stressors, frequent manicures, and everyday wear. The result is visibly stronger, smoother nails that are less prone to splitting, peeling, and breakage.

Key Benefits

• Strengthens weak, brittle nails from within
• Silicon-based formula repairs and reinforces nail structure
• Reduces splitting, peeling, and breakage
• Promotes healthy, resilient nail growth
• Fast-absorbing, non-greasy texture
• Visible results in 14 days with continued improvement
• Dermatologist-tested and clinically proven
• Suitable for natural and treated nails

How to Use

Apply a small amount to clean, dry nails and cuticles once or twice daily. Gently massage into the nail plate and surrounding skin until fully absorbed. For best results, use consistently for at least 14 days. Can be used alone or under nail polish.

Ideal For

Anyone struggling with weak, brittle, or damaged nails. Perfect for those who want to restore nail health after gel manicures, acrylics, or environmental damage, or simply want to maintain strong, beautiful nails.