Nail Strengthening Treatment for Brittle, Weak & Damaged Nails

Dermatologist-recommended ISDIN Si-Nails is an innovative nail strengthening treatment designed to help improve the appearance, resilience, and overall health of fragile, brittle, and damaged nails. Featuring a convenient pen-style applicator, this easy-to-use formula helps strengthen nails, improve hydration, and support healthier nail growth while enhancing the appearance of the nail surface and cuticles.

Clinically formulated with a combination of strengthening, moisturizing, and protective ingredients, Si-Nails helps reduce nail breakage and splitting while promoting stronger, smoother, and shinier-looking nails. The fast-drying, invisible finish makes it ideal for everyday use without interfering with nail polish or daily activities.

Best For

• Brittle nails

• Weak or thin nails

• Nail splitting and breakage

• Damaged nails

• Dry cuticles

• Supporting healthy nail growth

Why We Love It

• Helps strengthen weak and brittle nails

• Improves nail hydration and flexibility

• Convenient pen-style applicator

• Fast-drying invisible finish

• Easy to incorporate into a daily routine

Key Benefits

• Helps reduce nail breakage and splitting

• Improves nail strength and resilience

• Supports healthier-looking nail growth

• Enhances nail smoothness and shine

• Moisturizes nails and cuticles

• Provides daily protection against external stressors

Why Dermatologists Recommend ISDIN Si-Nails

Our dermatology team recommends ISDIN Si-Nails for patients struggling with weak, brittle, or damaged nails caused by aging, environmental exposure, frequent hand washing, nail treatments, or everyday wear and tear. Healthy nails require consistent hydration and structural support, and this targeted treatment helps restore nail strength and appearance over time.

Key Ingredients

Hyaluronic Acid

Helps improve hydration and flexibility within the nail structure and surrounding cuticle area.

Silicon Complex

Supports stronger, healthier-looking nails while helping improve resistance to breakage.

Keratin Support Ingredients

Help reinforce the appearance of the nail surface and promote smoother-looking nails.

Pistacia Lentiscus Gum

Supports the natural appearance and quality of the nail plate.

Moisturizing Complex

Helps nourish both nails and cuticles while improving overall nail condition.

How to Use

Apply ISDIN Si-Nails daily to clean, dry nails using the precision pen applicator. Brush over the nail surface, cuticle area, and underneath the nail tip. Allow the product to dry completely before washing hands or applying additional products.

What to Expect

Nails feel healthier and more conditioned with regular use. Over time, they appear stronger, smoother, shinier, and less prone to splitting or breakage, while cuticles look more hydrated and well-maintained.

Derm Tip

Our dermatology team recommends applying Si-Nails consistently every day, even when wearing nail polish. Maintaining hydration and protection can significantly improve nail strength and resilience over time.

FAQs

What does ISDIN Si-Nails help with?

It helps strengthen brittle nails, reduce breakage and splitting, improve hydration, and support healthier-looking nail growth.

How often should I use ISDIN Si-Nails?

For best results, apply daily as part of your regular nail care routine.

Can I use ISDIN Si-Nails with nail polish?

Yes. The fast-drying formula can be used as part of your nail care routine and is compatible with polished or natural nails.

How long does it take to see results?

Many users notice improvements in nail appearance and hydration within a few weeks, with stronger, healthier-looking nails developing with continued use.

Is ISDIN Si-Nails suitable for damaged nails?

Yes. It is specifically formulated to help improve the appearance and condition of weak, brittle, and damaged nails.

SIZE: 2.5 ml / 0.08 Fl. Oz