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ISDIN

Si-Nails

Fast-absorbing serum nail strengthener

$39

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By scanning this product's QR you'll earn 500 points

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. Nail polish-friendly. Visible results in just 14 days.

  • 2.5 ml

  • Fragrance free, fast-absorbing, invisible finish

  • Brittle nails

  • Silanediol salicylate, pistacia lentiscus gum, cationic hyaluronic acid 

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.

Targets weak, brittle nails

Consistent use of Si-Nails visibly improves nail strength and appearance.

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.

CLINICAL RESULTS

After 28 days of use¹, users reported their nails were:

100%

Smoother

97%

Harder and grew faster

93%

Less brittle

93%

More attractive

¹Data on file. ISDIN Corp. 2024. Morristown, NJ.

KEY INGREDIENTS

Expert formulations for optimal nail health

Si-Nails contains advanced ingredients that effectively improve and strengthen nails.

Silanediol salicylate

Promotes silicon, which is one of the predominant minerals in the nail.

Pistacia lentiscus gum

Promotes keratin, an essential component to strong and healthy nails.

Cationic hyaluronic acid

An enhanced version of one of the most well known moisturizers in the world, which promotes cuticle moisturization.

HOW TO USE

Daily care for damaged nails

Si-Nails nail strengthener is a clear, lightweight serum delivered by an easy-to-use, one-click applicator pen, applied once a day. It can be applied to painted nails. The first time you use Si-Nails, activate the brush by pressing down on the applicator until the brush is moistened (approximately 25 times). After first use, just click once for each nail. Visible results may be seen in 14 days, with best results achieved with ongoing application.

Step 1

Click and apply nail repair serum to the nail and cuticle, covering the nail edges.

Step 2

Apply in vertical strokes across the entire nail surface.

Step 3

Apply underneath nail then click to repeat Steps 1-3 for each nail.

FREQUENTLY ASKED QUESTIONS

Can I use Si-Nails on top of nail polish or gel?

Yes, Si-Nails can be applied on top of nail polish and gel.

How long do I need to use Si-Nails for?

Results can be seen from as little as 14 days. However, this depends on the condition of your nails before starting the Si-Nails nail strengthening treatment. The condition of your nails will improve with extended use.

The first time I used Si-Nails, I didn’t see any product come out. How do I start using it correctly?

Before using Si-Nails for the first time, activate the click pen by pressing down on the click button at least 25 times, until the applicator is moistened. This will activate the flow of product and you will be able to start using Si-Nails correctly from then on. You only need to click 25 times at the first application. Afterwards, click once for each nail.